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Artykuły w czasopismach na temat „Sheep Feeding and feeds”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 28 stycznia 2023

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1

Chapple, D. G., K. P. A. Wheeler, and G. Perrott. "Evaluation of sugar beet feeds and maize distiller's dark grains as supplements for pregnant ewes fed straw-based diets." Proceedings of the British Society of Animal Science 1998 (1998): 102. http://dx.doi.org/10.1017/s1752756200597543.

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The feeding of lowland sheep on straw-based systems during pregnancy was developed at ADAS Rosemaund during the last decade (Davies and Chappie 1995). Results showed that ewe and lamb performance were satisfactory, providing adequate compound supplementation was fed. Whole barley and soya bean meal has been the standard ration, but feeds based on high protein molassed sugar beet feed (Probeet Trident Feed) and maize distiller's dark grains could improve palatability and be easier to feed. The objective of this work was to evaluate the effects on ewe and lamb performance of feeding sugar beet f

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Chapple, D. G., K. P. A. Wheeler, and G. Perrott. "Evaluation of sugar beet feeds and maize distiller's dark grains as supplements for pregnant ewes fed straw-based diets." Proceedings of the British Society of Animal Science 1998 (1998): 102. http://dx.doi.org/10.1017/s0308229600033158.

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The feeding of lowland sheep on straw-based systems during pregnancy was developed at ADAS Rosemaund during the last decade (Davies and Chappie 1995). Results showed that ewe and lamb performance were satisfactory, providing adequate compound supplementation was fed. Whole barley and soya bean meal has been the standard ration, but feeds based on high protein molassed sugar beet feed (Probeet Trident Feed) and maize distiller's dark grains could improve palatability and be easier to feed. The objective of this work was to evaluate the effects on ewe and lamb performance of feeding sugar beet f

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McDonald, CL, JB Rowe, and SP Gittins. "Feeds and feeding methods for assembly of sheep before export." Australian Journal of Experimental Agriculture 34, no. 5 (1994): 589. http://dx.doi.org/10.1071/ea9940589.

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Sheep are assembled in Australian feedlots before export and given time to adapt to the pelleted diet they will receive on board ship. In Western Australia, lupins are normally included in the diet at levels up to 30% as a source of digestible energy which is low in starch. It is also common to feed hay during assembly. We examine the use of pellets based on barley and containing either lupins or virginiamycin to overcome problems of acidosis, and the importance of hay during assembly. There were 9 dietary treatments each with 3 pens of 30 sheep. The study was conducted over 8 days simulating

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Emmans, G. C., M. R. Cropper, W. S. Dingwall, H. Brown, J. D. Oldham, and J. I. Harland. "Efficiencies of use of the metabolisable energy from feeds based on barley or sugar beet feed in immature sheep." Proceedings of the British Society of Animal Production (1972) 1989 (March 1989): 60. http://dx.doi.org/10.1017/s0308229600010539.

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The ARC (1980) energy system sees growth in the single dimension of energy retention (ER) which increases, with diminishing marginal efficiency, as ME intake increases. The quantitative relationship between ME intake and ER is predicted from q, the proportion of the gross energy which is metabolisable. An experiment on growing sheep on controlled feeding of different feeds was carried out to provide data suitable for testing ARC (1980) and other energy systems.Scottish Blackface wether sheep in single pens, entered the experiment at 25 kg liveweight (LW), when 11 were slaughtered. The remainde

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5

Ahmed, S., MRH Rakib, and MA Hemayet. "Effect of Total Mixed Ration Based Complete Pellet Feed on the Performances of Stall Fed Native Sheep." SAARC Journal of Agriculture 18, no. 2 (January 4, 2021): 157–66. http://dx.doi.org/10.3329/sja.v18i2.51116.

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A complete pellet feed was developed using 40 % roughage (Rice straw) and 60 % concentrate (Rice polish 50 %, Maize crush 16 %, Soybean meal 20 %, Molasses 10 %, Salt 2 %, DCP 1 %, Vitaminmineral premix 0.5 %, Pellet binder 0.5 %) for commercial sheep production under stall feeding system. To know the effect of complete pellet feed on animal performances, both on-station and on-farm trials were conducted in growing sheep. The results of the experiment demonstrated that in the traditional system of rearing; only 22.42 g daily weight gain was observed. While, feeding of complete pellet feed achi

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6

Chapple, D. G., K. P. A. Wheeler, G. Perrott, and M. Witt. "Comparison of sugar beet feeds and distillers grains as supplements for early lambing ewes fed straw-based and big-bale silage diets." Proceedings of the British Society of Animal Science 1999 (1999): 126. http://dx.doi.org/10.1017/s1752756200002817.

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Feeding lowland sheep on straw-based systems during pregnancy (Davies and Chapple 1995) has shown that ewe and lamb performance can be satisfactory, providing adequate compound supplementation was fed. Whole barley and soya bean meal has been the standard ration. Experiments with March-lambing ewes (Chapple et al., 1997) has shown that feeds based on molassed sugar beet feed and maize distillers dark grains can replace a barley/soya supplement. The objective of this work was to evaluate the effects on ewe and lamb performance of feeding sugar beet feeds with higher levels of distillers grains

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Mahgoub, Osman, Isam T.Kadim, Hamza A. Babiker, and Mohammed N. Al-Kindi. "The Influence of Diets Containing Phenols and Condensed Tannins on Protein Picture, Clinical Profile and Rumen Characteristics in Omani Sheep." Sultan Qaboos University Journal for Science [SQUJS] 19, no. 2 (February 1, 2015): 8. http://dx.doi.org/10.24200/squjs.vol19iss2pp8-16.

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A study was carried out to investigate the effects of feeding low quality non-conventional feeds (NCF) containing phenols and condensed tannins on health and performance characteristics in Omani sheep. Twelve Omani sheep were fed one of two base roughages, urea-treated palm frond (UTPF) or Rhodesgrass hay, (RGH) plus a commercial concentrate for 63 days. Haematological, serum biochemical and urine analyses were used to assess sheep health. Serum protein fractions were measured using electrophoresis. Urea-treated palm frond contained higher levels of polyphenols and condensed tannins and fiber

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8

Philp, Joshua, Adam M. Komarek, Sarah J. Pain, and William Bellotti. "Variation in feed utilisation by sheep undergoing compensatory growth following underfeeding with and without additional dietary nitrogen in western China." Animal Production Science 57, no. 1 (2017): 96. http://dx.doi.org/10.1071/an15185.

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Small mixed farming systems in developing economies often rely on compensatory growth to recover livestock weight lost during seasonal feed shortages; however, deficit feed management may continue to affect the capacity of livestock to efficiently use feeds even after adequate feeding has resumed. Accordingly, we compared the difference in liveweight gain and feed utilisation over time in Tan weaner sheep in western China, during a period of ad libitum compensatory feeding after alternative feed deficit scenarios. During the feed deficit period, sheep were offered, at 80% maintenance requireme

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9

Chapple, D. G., K. P. A. Wheeler, G. Perrott, and M. Witt. "Simple mixes of molassed sugar beet feed and distillers grains for lactating ewes." Proceedings of the British Society of Animal Science 2000 (2000): 78. http://dx.doi.org/10.1017/s175275620000079x.

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Feeding of lowland sheep on straw-based systems during pregnancy and in early lactation has shown that ewe and lamb performance can be satisfactory, providing adequate compound supplementation is fed (Davies and Chapple, 1995). Whole barley and soya bean meal has been the standard ration. However, soya bean meal is imported and not fully traceable. Experiments with January- and March-lambing ewes have shown that traceable, homeproduced feeds based on equal quantities of molassed sugar beet feed and either maize or barley distillers grains can replace a barley/soya supplement when fed with stra

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10

Kyriazakis, I., and J. D. Oldham. "Diet selection in sheep: the ability of growing lambs to select a diet that meets their crude protein (nitrogen × 6.25) requirements." British Journal of Nutrition 69, no. 3 (May 1993): 617–29. http://dx.doi.org/10.1079/bjn19930064.

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To test the proposition that sheep are able to select a diet that meets their crude protein (N × 6.25; CP) requirements, feeds L, A, B, C and H with the same energy content (11 MJ metabolizable energy/kg feed) but different CP contents (78, 109, 141, 172 and 235 g CP/kg fresh feed respectively) were formulated. In addition, feed U, which was feed L plus 21.4 g urea/kg (CP content 132 g/kg), was also made. The feeds were offered ad lib. either singly (n 4 per treatment) or as a choice between feed H and another feed (pairs LH, AH, BH, CH and UH; n 9 per feed pair) to individually penned Suffolk

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11

Chapple, D. G., K. P. A. Wheeler, G. Perrott, and M. Witt. "Simple mixes of molassed sugar beet feed, field beans and distillers grains for pregnant March-lambing ewes." Proceedings of the British Society of Animal Science 2001 (2001): 118. http://dx.doi.org/10.1017/s1752756200005007.

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Feeding of lowland sheep on straw-based systems during pregnancy and in early lactation has shown that ewe and lamb performance can be satisfactory, providing adequate compound supplementation is fed (Davies and Chapple, 1995). Whole barley and soya bean meal has been the standard ration. However, soya bean meal is imported and may not be fully traceable. Maize or barley distillers fed with beans could provide traceable protein to replace soya bean meal in sheep diets. Experiments with housed early-lambing ewes and ewes suckling twin lambs at grass have shown that traceable feeds, based on mol

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12

Savage, D. B., D. M. Ferguson, A. D. Fisher, G. N. Hinch, D. G. Mayer, E. Duflou, J. M. Lea, N. D. Baillie, and M. Raue. "Preweaning feed exposure and different feed delivery systems to enhance feed acceptance of sheep." Australian Journal of Experimental Agriculture 48, no. 7 (2008): 1040. http://dx.doi.org/10.1071/ea08055.

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Prior exposure of sheep to a novel feed has been shown to expedite the acceptance of that feed later in life. This study was designed to investigate the benefits of early social transmission of feed recognition for productivity and feeding behaviour of sheep in a feedlot. On a research farm near Armidale, Australia, 175 12-week-old Merino × Dorset lambs, together with their dams, were exposed to one of three preweaning treatments: (i) no exposure to feedlot pellets, (ii) offered feedlot pellets on the pasture, or (iii) offered feedlot pellets in feed troughs. The feedlot pellets were offered o

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13

Mccoard, S. A., D. Ginter, and P. R. Kenyon. "Innovations and the future: where do new feeding developments fit within future hill country practices for sheep production?" NZGA: Research and Practice Series 16 (January 1, 2016): 317–22. http://dx.doi.org/10.33584/rps.16.2016.3243.

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New developments in the understanding of early life nutrition and whole of life performance offer opportunities for changing livestock performance in the future. How should hill country farmers use supplements and tactical nutritional additions to turn these insights into future benefits for sheep production? Opportunities may exist in adopting new forage species, and mixes of forage species, supplementary feeds and/ or functional supplements to enhance the performance of both the ewe and the lamb in late gestation and early lactation. The potential and problems of adding these as options into

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14

Nsahlai, I. V., N. N. Umunna, and P. O. Osuji. "Influence of feeding sheep on oilseed cake following the consumption of tanniferous feeds." Livestock Production Science 60, no. 1 (July 1999): 59–69. http://dx.doi.org/10.1016/s0301-6226(99)00036-6.

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Chapple, D. G., K. P. A. Wheeler, M. W. Witt, and W. E. Blackburn. "Evaluation of an ensiled mix of moist sugar beet feed (pressed pulp) plus maize distillers dark grains as a supplement for twin-bearing March-lambing ewes fed straw-based diets." Proceedings of the British Society of Animal Science 2003 (2003): 98. http://dx.doi.org/10.1017/s1752756200012576.

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Feeding lowland sheep on straw-based systems during pregnancy is practised on many livestock/arable farms. Simple mixes of molassed sugar beet feed and distillers dark grains have been cost effective supplements for March-lambing ewes fed straw and produced satisfactory ewe and lamb performance (Chappleet al., 1998 and 2001). An ensiled mix of pressed sugar beet pulp and dried maize distillers grains (Praize, Trident Feeds) has been fed as the sole diet for finishing lambs (Pattinsonet al., 2001) but there is little information on feeding Praize to pregnant ewes. The objective of this study wa

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16

Hills, J., I. Kyriazakis, J. V. Nolan, G. N. Hinch, and E. Thomson. "Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses." Proceedings of the British Society of Animal Science 1998 (1998): 26. http://dx.doi.org/10.1017/s1752756200596781.

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The development by ruminants of strong conditioned flavour aversions (CFAs) to foods associated with the administration of LiCl (an artificial toxin) has demonstrated their potential to avoid feeds that cause negative postingestive consequences (Provenza, 1995). Weaker CFAs are formed when they ingest foods with the detrimental secondary plant compound, oxalic acid (Kyriazakis et al. 1997). Moreover, animals may exhibit conditioned preferences (CFPs) for foods supplying appropriate amounts of nutrients such as nitrogen (Provenza, 1995). In this study we tested whether a continuum exists in the

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Hills, J., I. Kyriazakis, J. V. Nolan, G. N. Hinch, and E. Thomson. "Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses." Proceedings of the British Society of Animal Science 1998 (1998): 26. http://dx.doi.org/10.1017/s0308229600032396.

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The development by ruminants of strong conditioned flavour aversions (CFAs) to foods associated with the administration of LiCl (an artificial toxin) has demonstrated their potential to avoid feeds that cause negative postingestive consequences (Provenza, 1995). Weaker CFAs are formed when they ingest foods with the detrimental secondary plant compound, oxalic acid (Kyriazakis et al. 1997). Moreover, animals may exhibit conditioned preferences (CFPs) for foods supplying appropriate amounts of nutrients such as nitrogen (Provenza, 1995). In this study we tested whether a continuum exists in the

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18

Cropper, M. R., D. P. Poppi, and A. M. Nicol. "Growth of lambs given different allowances of digestible crude protein and metabolisable energy." Proceedings of the British Society of Animal Production (1972) 1992 (March 1992): 174. http://dx.doi.org/10.1017/s0308229600022844.

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In a market where high levels of fat on lamb carcases are not favoured, the supposition that a lamb, given adequate feeding, will grow protein preferentially to gaining lipid, holds interest. However, this idea runs counter to the evidence that body composition is not manipulable in sheep. Therefore, an experiment was undertaken to implement extreme treatments of protein and energy supply to determine to what extent the contrasting views on body composition changes in growing lambs are justified.Seventy-two Coopworth ram lambs (mean liveweight, (LW) 30.4, s.d. 1.1 kg) were given one of the thr

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Pent, Gabe J. "192 Towards Year-Round Grazing in the Southeastern U.S." Journal of Animal Science 98, Supplement_2 (November 1, 2020): 67. http://dx.doi.org/10.1093/jas/skz397.153.

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Abstract Winter feeds costs for small ruminants exceeds 50% of the total cost of most small ruminant production systems in the Southeastern U.S. Keeping these feed costs low is one of the most effective and time-tested ways to improve farm profitability. While maintaining an appropriate stocking rate will be critical for sustaining long-term farm productivity, a suite of other management practices is available to assist in this objective. Installing appropriate fence and watering system infrastructure for managing grazing will be critical for improving harvest efficiency and stockpiling forage

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20

Etheridge, MO, CR Stockdale, and PD Cranwell. "Influence of method of conservation of lucerne on factors associated with voluntary intake in sheep." Australian Journal of Experimental Agriculture 33, no. 4 (1993): 417. http://dx.doi.org/10.1071/ea9930417.

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This experiment measured the voluntary intake and rate of eating of sheep fed lucerne (Medicago sativa) that had been conserved as sun-dried material or as silage at 3 different DM contents (29.2, 33.1, and 51.2%). Changes in rumen osmolality and palatability due to diet were measured. Palatability was assessed by introducing feed directly into the rumen and measuring the subsequent oral intake. Eight sheep with rumen fistulae were used in two 4 x 4 latin squares, which allowed for adjustment for carryover effects. There was no significant (P<0.05) difference between voluntary intakes of lu

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21

Muir, S. K., R. Behrendt, M. Moniruzzaman, G. Kearney, and M. I. Knight. "Automated feeding of sheep. 2. Feeding behaviour influences the methane emissions of sheep offered restricted diets." Animal Production Science 62, no. 1 (2022): 55. http://dx.doi.org/10.1071/an20634.

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Context During the non-growing season of pastures and during droughts, the dry-matter intake (DMI) of sheep is often constrained due to low pasture availability and the need to feed for weight loss or maintenance. Below-maintenance feeding may have consequences for methane (CH4) production and yield in farm systems. Aims The effect of six restricted feeding levels on CH4 emissions measured using portable accumulation chambers (PACs) was examined in relation to DMI, oxygen consumption (O2) and carbon dioxide (CO2) emissions and observed changes in feeding behaviour in sheep fed with automated f

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Ranilla, M. J., C. Valdés, F. J. Giráldez, M. D. Carro, and S. López. "Comparative digestibility and digesta flow kinetics in two breeds of sheep." Proceedings of the British Society of Animal Science 1996 (March 1996): 171. http://dx.doi.org/10.1017/s1752756200593661.

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Recent studies carried out in cattle, sheep and goats have shown differences between both species and breeds of ruminants in digestive capacity, digesta flows and fermentation rates. Most of these differences are related to their feeding behaviour and digestive physiology and could affect digestive utilization of feeds. The aim of this work was to study the digestibility and digesta kinetics in the whole digestive tract in two breeds of sheep (Churra v. Merino).Ten non-productive mature sheep (five Churra (mean LW= 44.3kgÂ±3.20) and five Merino (mean LW= 46.7kgÂ±2.22)) fitted with rumen cannul

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Ranilla, M. J., C. Valdés, F. J. Giráldez, M. D. Carro, and S. López. "Comparative digestibility and digesta flow kinetics in two breeds of sheep." Proceedings of the British Society of Animal Science 1996 (March 1996): 171. http://dx.doi.org/10.1017/s0308229600031378.

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Recent studies carried out in cattle, sheep and goats have shown differences between both species and breeds of ruminants in digestive capacity, digesta flows and fermentation rates. Most of these differences are related to their feeding behaviour and digestive physiology and could affect digestive utilization of feeds. The aim of this work was to study the digestibility and digesta kinetics in the whole digestive tract in two breeds of sheep (Churra v. Merino).Ten non-productive mature sheep (five Churra (mean LW= 44.3kgÂ±3.20) and five Merino (mean LW= 46.7kgÂ±2.22)) fitted with rumen cannul

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24

Sarker, NR, MA Habib, MR Amin, S. Yeasmin, F. Tabassum, and D. Yeasmin. "Feeds and fodder dynamics in selected river basins of Bangladesh." Bangladesh Journal of Animal Science 46, no. 3 (April 7, 2018): 206–14. http://dx.doi.org/10.3329/bjas.v46i3.36317.

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A baseline survey was conducted with the objectives to determine seasonal availability, utilization of feeds and fodder resources and livestock production systems in different river basin areas and to identify the constraints of fodder production in selected river basins of Bangladesh. Based on cattle population, 2 upazilas from each of 10 districts were selected for household survey (HHS). A randomly selected 50 farmers from each upazila were considered for collecting information. After screening a total of 963 HHs were considered for statistical analyses. Results show that about 51%HHs were

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Thomas, Dean T., Allan J. Rintoul, and David G. Masters. "Increasing dietary sodium chloride increases wool growth but decreases in vivo organic matter digestibility in sheep across a range of diets." Australian Journal of Agricultural Research 58, no. 11 (2007): 1023. http://dx.doi.org/10.1071/ar07032.

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For 8 weeks, 64 Merino wethers, 18 months of age, were individually penned and offered 1 of 16 treatment feeds (n = 4). The 16 feeds were formulated to contain levels of added sodium chloride (0, 7, 14, 21%) and levels of organic matter digestibility (55, 62, 69, 76%), in a 4 × 4 factorial design. The treatment feeds were offered ad libitum for 7 weeks and at maintenance for the final week. Clean wool growth, corrected for digestible organic matter intake, increased by 16, 18 and 27% as added sodium chloride was increased (7, 14, and 21%). The increase in wool growth was similar for diets at a

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26

Abbeddou, Souheila, Barbara Rischkowsky, Muhi El-Dine Hilali, Hans Dieter Hess, and Michael Kreuzer. "Influence of feeding Mediterranean food industry by-products and forages to Awassi sheep on physicochemical properties of milk, yoghurt and cheese." Journal of Dairy Research 78, no. 4 (October 18, 2011): 426–35. http://dx.doi.org/10.1017/s0022029911000665.

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Feeding agro-industrial by-products and unconventional forages, rich in potentially anti-nutritional factors, may influence the quality of the raw milk and the dairy products prepared therefrom. The aim of the present study was to determine side-effects on physicochemical properties of milk, yoghurt and cheese of feeding diets where one third were feeds either rich in lipids (tomato pomace and olive cake) or phenols (olive leaves and lentil straw) or electrolytes (Atriplex leaves). The diets, including a control diet, were designed to be isoenergetic and isonitrogenous. They were fed in amount

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GIANNENAS (Η. ΓΙΑΝΝΕΝΑΣ), I., G. LEONIDIS (Γ. ΛΕΩΝΙΔΗΣ), A. CHRISTOFI (Α. ΧΡΙΣΤ0ΦΗ), and K. ROSSIOS (Κ. ΡΩΣΣΙΟΣ). "Overview of the situation of sheep production in the area of Eordea Kozani." Journal of the Hellenic Veterinary Medical Society 59, no. 3 (November 22, 2017): 247. http://dx.doi.org/10.12681/jhvms.14962.

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In this paper it was examined the current status of sheep production in the area of Eordea of the prefecture of Kozani, that is mainly based in the semi-intensive system. The aim of this research was the collection of information of the current status of the sheep production sector with emphasis on its current problems and future perspectives. For this purpose, a questionnaire based research was conducted, using an objective sample (17.8%) of the total sheep farms in the area of Eordea from 16 separate settlements. The collection of the data and their statistical analysis gave a plethora of co

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Abreha, Hagos H., Getachew Animut, Aklilu Hailemichael, Dawit G. Tedla, and Fsahatsion H. Baragabr. "Effect of Commercial and Non-conventional Feeds, Leaves of Indigenous and Improved Multipurpose Tree Supplementation on Feed Intake, Digestibility and Growth Performance of Sheep." Open Agriculture Journal 13, no. 1 (December 31, 2019): 207–14. http://dx.doi.org/10.2174/1874331501913010207.

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Background: Acute shortage of feed and very poor quality of the available feeds during the dry season are the prime limiting factors for increasing the production and productivity of small ruminants in most agroecological zones of Ethiopia. Thus, the study evaluated the effect of concentrate mixture of wheat bran and Sesame seed cake (T1), Atella (T2), Faidherbia albida (T3) and Sesbania sesban leaves (T4) on feed intake, digestibility, body weight change and economical profitability of local sheep. Methods: Twenty-four yearling intact local male sheep with mean Initial Body Weight (IBW) of 18

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Sun, Xuezhao, David Pacheco, and Dongwen Luo. "Forage brassica: a feed to mitigate enteric methane emissions?" Animal Production Science 56, no. 3 (2016): 451. http://dx.doi.org/10.1071/an15516.

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A series of experiments was conducted in New Zealand to evaluate the potential of forage brassicas for mitigation of enteric methane emissions. Experiments involved sheep and cattle fed winter and summer varieties of brassica forage crops. In the sheep-feeding trials, it was demonstrated that several species of forage brassicas can result, to a varying degree, in a lower methane yield (g methane per kg of DM intake) than does ryegrass pasture. Pure forage rape fed as a winter crop resulted in 37% lower methane yields than did pasture. Increasing the proportion of forage rape in the diet of she

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BUCKLEY, D. J., C. F. NICHOLLS, G. ST. AMOUR, D. M. VEIRA, and M. IVAN. "AN AUTOMATED DEVICE FOR CONTROLLED FEEDING OF SHEEP IN CAGES OR PENS." Canadian Journal of Animal Science 65, no. 1 (March 1, 1985): 273–77. http://dx.doi.org/10.4141/cjas85-034.

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A machine for feeding sheep at selected frequent intervals is described. The feeder is compact, mobile and can be used to feed one or two sheep in separate pens or metabolism cages under a wide range of time sequences. Key words: Automated feeder, controlled feeding, sheep

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Miner, J. L., M. A. Della-Fera, J. A. Paterson, and C. A. Baile. "Lateral cerebroventricular injection of neuropeptide Y stimulates feeding in sheep." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 257, no. 2 (August 1, 1989): R383—R387. http://dx.doi.org/10.1152/ajpregu.1989.257.2.r383.

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We compared the effects of neuropeptide Y (NPY) injected into the lateral ventricle (LV) and periphery (ip in rats; iv in sheep) on feed and water intake. In sated rats, a bolus injection of 1.18 or 2.35 nmol of NPY administered LV, but not ip, increased (P less than 0.05) feed intake on average of 809% within 30 min of injection. In sated sheep, an LV bolus injection of 2.35 nmol of NPY increased feed intake by 154% within 30 min. Similar doses of human pancreatic polypeptide and peptide YY were less orexigenic than NPY in sheep. After 24 h, cumulative feed intakes were similar among control

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McDonald, CL, RT Norris, EJ Speijers, and H. Ridings. "Feeding behaviour of Merino wethers under conditions similar to lot-feeding before live export." Australian Journal of Experimental Agriculture 30, no. 3 (1990): 343. http://dx.doi.org/10.1071/ea9900343.

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Sheep from different farms (lines) in Western Australia were mixed in 3 experiments and lot-fed for 6-7 days as if for export. A marking method to identify sheep which eat from troughs was tested and used to examine the effects of feeding treatments on the proportion of sheep which eat during lot-feeding. Paint soaked sponges attached to troughs were used to monitor whether sheep ate. Positive linear relationships between liveweight change and paint marking score (R = 0.93, 0.93 and 0.94, in the 3 experiments) suggested that the technique was a reliable indicator of feed intake. Feeding treatm

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GANAI, ABDUL MAJEED, YASIR AFZAL BEIGH, and MOHAMMAD IDREES WANI. "Intake, nutrient metabolism and balance studies in sheep fed Himalayan Elm (Ulmus wallichiana) leaf meal incorporated total mixed ration." Indian Journal of Animal Sciences 92, no. 2 (March 10, 2022): 232–37. http://dx.doi.org/10.56093/ijans.v92i2.122099.

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With the soaring cost and scarcity of concentrate feeds worldwide, use of un-conventional tree foliages in the animal diets can be effective in curtailing the feeding costs to economise livestock production. The present experiment was conducted with the aim to assess incorporation of Himalayan Elm (Ulmus wallichiana) leaf meal (ELM) as partial replacement to conventional concentrate feed mixture (CFM) in total mixed ration (TMR) of sheep. In Experiment-I (in vitro study), the effect of graded increasing levels (0, 10, 20, 30, 40 and 50%) of ELM inclusion as replacement to CFM constituting 40%

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Ulrikh, Elena, Olga Babich, and Stanislav Sukhikh. "Use of sweet yellow clover (Melilotus officinalis) extract in sheep feeding." E3S Web of Conferences 291 (2021): 02007. http://dx.doi.org/10.1051/e3sconf/202129102007.

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During the study, it was found that an increase in the dose of sweet yellow clover extract from 0.5 to 2.5 mg/kg of live weight per day contributed to an increase in the number of: hemoglobin by 1.83 g/l (1.79%), leukocytes by 0.14 thousand 109/l (2.34%), total protein in blood serum of sheep by 0.43 g/l (0.7%), glucose in blood of sheep by 0.18 mmol/l (4.19%), calcium in blood of sheep by 0.14 mmol/l (5.32%), phosphorus in blood of sheep by only 0.08 mg/100 ml (1.6%), contributed to an increase in the live weight of sheep by 220 g (2.18%). In the control group, two sheep out of six got bronch

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Cropper, M., M. D. Lloyd, and G. C. Emmans. "Nutritional manipulation of lamb growth and its effect on body composition and carcase quality." Proceedings of the British Society of Animal Production (1972) 1986 (March 1986): 71. http://dx.doi.org/10.1017/s0308229600015804.

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The growth rate and body composition of lambs depend on their rate of feed intake and the composition of the feed given. The purpose of the experiment described here was to test predictions of the growth and composition of lambs given feeds of two protein contents at three levels of feeding.73 Scottish Blackface wethers were abruptly weaned at 49 days of age and an average live weight (LW) of 18 (sd 2.2) kg. Six, chosen to cover the range in initial liveweight, were killed and those remaining were put into individual pens and fed in one of six ways. Two feeds with 140g CP/kg fresh weight (FW),

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Girard, C. L., J. R. Seoane, and J. J. Matte. "Topographic studies of the effects of microinjections of muscimol on the hypothalamic control of feed intake in sheep." Canadian Journal of Physiology and Pharmacology 64, no. 4 (April 1, 1986): 406–10. http://dx.doi.org/10.1139/y86-065.

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Ten sheep were used to define the anatomical basis for the feeding systems sensitive to gamma-aminobutyric acid, by using intrahypothalamic microinjections of the gamma-aminobutyric acid agonist, muscimol. In satiated sheep, 1 μL of muscimol (0.5 nmol/μL) elicited feeding when injected into paraventricular, ventromedial, and anterior hypothalamic areas. Similar injections into 39 sites tested in 6-h fasted sheep failed to decrease feed intake. The data suggest that neurons sensitive to gamma-aminobutyric acid in medial hypothalamus may be involved in the initiation of feeding.

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Waterhouse, A., and S. P. Marsh. "Effect of supplementation method on grazing behaviour of hill ewes." Proceedings of the British Society of Animal Science 1999 (1999): 131. http://dx.doi.org/10.1017/s1752756200002866.

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Supplementary feeding of hill ewes during pregnancy is an important aspect of sheep management. Two broad groups of feed are given. Firstly, there is feed offered on a restricted basis, daily. Secondly, there are feeds offered on an ad libitum basis, of which feedblocks are the most important form for hill ewes. Some studies have shown interaction between feedblock intake and social behaviour but little is known about foraging behaviour.The study used three, 3 ha (50m x 600m) paddocks side by side, rising steeply from 280 to 490 metres above sea level on a semi-natural acid grassland hill past

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Jackson, R. E., N. K. Waran, and M. S. Cockram. "Methods for Measuring Feeding Motivation in Sheep." Animal Welfare 8, no. 1 (February 1999): 53–63. http://dx.doi.org/10.1017/s0962728600021205.

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AbstractThe effects of food restriction on the welfare of sheep are as yet unclear. An operant crate and a push-door were used to measure feeding motivation in sheep after Oh, 6h, 12h, 18h and 24h without food. In experiment 1, sheep had to push a panel with their noses to obtain a food reward. In experiment 2, sheep had to run a race and push through a weighted door to reach food; the time taken to reach various points was recorded and the work performed to push through the door was calculated.In experiment 1, 3 out of 12 sheep became trained to push the panel and there was a difference in th

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Prankel, S. H., R. M. Nixon, and C. J. C. Phillips. "Meta-analysis of experiments investigating cadmium accumulation in the liver and kidney of sheep." Proceedings of the British Society of Animal Science 2002 (2002): 73. http://dx.doi.org/10.1017/s1752756200007298.

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Cadmium (Cd) accumulates in the human food chain and poses a risk of kidney dysfunction (Fanconi Syndrome) and bone disorders in humans. The margin of safety between typical Cd intakes by humans and levels associated with toxicity is smaller than for other metals. Consumption of just one sheep kidney could cause an average adult person to exceed their Provisional Maximum Tolerable Daily Intake. However, the rate of accumulation in sheep’s liver and kidney, the primary target organs for Cd accumulation, is unclear. This makes prediction of the effects of varying Cd intake by sheep on the Cd con

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Jarzynowska, Anna. "The effect of herbs added to the winter diet sheep on the lipid fraction profile of raw milk for cheese making and rennet cheese produced from it." Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego 15, no. 4 (December 31, 2019): 59–72. http://dx.doi.org/10.5604/01.3001.0013.6480.

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A study was conducted on samples of raw sheep milk and rennet cheese produced from it. The milk was obtained from ewes of the coloured variety of Polish Merino, from February to April. The sheep were housed indoors and fed preserved roughage and a mixture of concentrate feeds. Three feeding groups were established: group I ‒ control, fed without the addition of herbs to the concentrate feed, and groups II and III, in which a herb mixture was added to the concentrate feed in the amount of 10 and 20 g/sheep/day, respectively. Six experimental batches of bundz rennet cheese were made from the mil

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Hassen, Anwar Seid, and Mohammed Yasin Ali. "Effect of different level of molasses inclusion on feed intake, body weight gain and carcass parameters of Afar sheep in Ethiopia." Asian Journal of Medical and Biological Research 5, no. 1 (April 22, 2019): 20–30. http://dx.doi.org/10.3329/ajmbr.v5i1.41041.

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The experiment was conducted to evaluate the effect of supplementing different levels of molasses and concentrates mix with a basal diet of cultivated pasture hay on intake, body weight and carcass quality of Afar sheep. Twenty four yearling Afar sheep, grouped in to four groups of six animals each in a randomized complete block design. The experiment consisted of four months feeding trial each group will receive the experimental feeds. Treatments were mixed concentrate + 20% inclusion molasses (T1), mixed concentrate + 15% inclusion molasses (T2), mixed concentrate + 10% inclusion molasses (T

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Kabore, Michel, Hadja Oumou Sanon, André Kiema, Aimé Joseph Nianogo, and Isidore B. Gnanda. "Evaluation des performances de l’embouche ovine paysanne dans la commune de Korsimoro au Burkina Faso." International Journal of Biological and Chemical Sciences 16, no. 3 (August 27, 2022): 1031–43. http://dx.doi.org/10.4314/ijbcs.v16i3.11.

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L’alimentation du bétail constitue de nos jours un défi majeur, en raison de l’insuffisance des fourrages et des mauvaises pratiques d’alimentation. Cette étude a été conduite dans la région du Centre-nord du pays en vue d’améliorer l’embouche ovine paysanne. Pour cela, 110 béliers de 48 emboucheurs ont été répartis en quatre lots et alimentés selon le type d’aliments dont disposait l’emboucheur. Les rations ont été formulées sur la base des résidus de cultures améliorées et/ou locales, et des aliments concentrés. Les résultats ont montré que les rations 2, 3 et 4 incorporant le fourrage améli

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Muir, S. K., N. Linden, M. Knight, R. Behrendt, and G. Kearney. "Sheep residual feed intake and feeding behaviour: are ‘nibblers’ or ‘binge eaters’ more efficient?" Animal Production Science 58, no. 8 (2018): 1459. http://dx.doi.org/10.1071/an17770.

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Efficient liveweight gain is an important component of profitable livestock systems. In cattle, studies of residual feed intake (RFI) suggest that there are behavioural differences between efficient and inefficient animals; more efficient animals have less frequent, larger feed events. There is limited understanding of the association between feeding behaviour and feed conversion efficiency (measured as RFI) in sheep. We hypothesised that more efficient sheep would have lower daily number of meals but larger meal size than would less efficient sheep and that feeding behaviour would be repeatab

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Li, L., I. Godwin, S. M. Liu, V. H. Oddy, and J. V. Nolan. "Skin characteristics and skin protein composition of Merinos differing in estimated breeding values for wool growth and fed at above and below maintenance." Australian Journal of Experimental Agriculture 46, no. 7 (2006): 937. http://dx.doi.org/10.1071/ea05377.

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Twenty castrated male sheep were selected from a commercial flock, 10 with high estimated breeding values (EBVs) (F+) and 10 with low EBVs for wool production (F–). Five of each EBV treatment were offered feed at 0.8M [0.8 times their metabolisable energy (ME) requirement for maintenance] and the other 5 were offered feed at 1.8M for 6 weeks. On the midside area of skin, the F+ group had a greater rate of clean wool growth (g/100cm2.day) and daily growth in fibre length (mm/day) than the F– group at both feeding levels (P<0.05). Fibre diameter (FD) was finer for F+ than F– sheep at both fee

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Etheridge, MO, CR Stockdale, and PD Cranwell. "Effect of ensilation of lucerne on voluntary intake, digestibility, and eating and rumination behaviour in sheep." Australian Journal of Experimental Agriculture 32, no. 3 (1992): 315. http://dx.doi.org/10.1071/ea9920315.

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Twelve wether sheep were used in a 2 x 2 factorial experiment in which voluntary intake, diet digestibility, and eating and ruminating behaviour were compared when sheep were offered lucerne (Medicago sativa) as either wilted silage or hay. Chemical characteristics suggested that the lucerne silage was well fermented, and chemical compositions of the silage and hay were similar. Voluntary intakes were not significantly (P<0.05) different and were 1201 and 1220 g/day for silage and hay, respectively. Digestibilities of dry matter and organic matter were similar for both feeds, as were chewin

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Evlagin, V. G., L. N. Skorykh, and E. G. Evlagina. "Prospects of using silkworm biomass in sheep feeding." Glavnyj zootehnik (Head of Animal Breeding), no. 8 (May 20, 2021): 3–10. http://dx.doi.org/10.33920/sel-03-2108-01.

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Due to the increase of consumption of food products by the population, especially of animal origin, the need of the livestock industry including sheep breeding for high-quality feed from an ecological point of view also increases. Recently, insects have received a lot of attention as a source of feed protein in the diet of farm animals. This is evidenced by numerous studies on the nutritional value and use of larvae of Black soldier fly (Hermetia illucens), Green-bottle fly (Lucilia Caesar), House fly (Musca domestica), meal worm (Tenebrio molitor), silkworms (Bombyx mori), and crickets (Gryll

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Stanford, K., G. L. Wallins, B. M. Lees, and H. H. Mündel. "Feeding value of immature safflower forage for dry ewes." Canadian Journal of Animal Science 81, no. 2 (June 1, 2001): 289–92. http://dx.doi.org/10.4141/a00-090.

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An in situ study compared mature, frost-damaged safflower to full-bloom safflower and mid-bloom alfalfa-grass hay, with the full-bloom safflower and alfalfa-grass hay also used in a ewe (n = 40) feeding study. Feed refusals were higher (P < 0.05) for ewes fed the safflower, but feed conversion efficiency was improved (P < 0.05) for the safflower-fed sheep. Ewes were bred shortly after the 9-wk feeding trial and the proportion of ewes lambing was higher (P < 0.05) in the safflower-fed ewes. Sheep were able to utilise the safflower forage as thorough chewing of spines likely prevented m

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YACOUT, Mohamed Helmy, Alaa Yahia EL-BADAWI, Mohamed Samir KHALEL, Safaa Elsayed ATIA, and Ayman Abdel Mohsen HASSAN. "Impact of effective microbes (em) bokashi supplementation on nutrients digestibility, rumen fermentation and gas volume production in diets of sheep." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies 78, no. 2 (November 14, 2021): 66. http://dx.doi.org/10.15835/buasvmcn-asb:2021.0009.

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The present study was conducted to determine the appropriate type of by-products {sugar beet pulp (SBP), grape seeds (GS), olive cake (OC), citrus pulp (CtP), and jojoba meal (JM)} fermented with activated effective microorganisms (EM-Bokashi) to be integrated into the diet of sheep to obtain the best nutrient digestibility and rumen characteristic of Barki sheep. An in vitro experiment was carried out on five fistulated females for rumen fermentation activity, while 15 males were used for digestibility trials. Treatment with EM caused less cell wall content. GS and CtP had higher feed intake

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Brzozowska, A. M., K. Słoniewski, J. Oprządek, P. Sobiech, and Z. M. Kowalski. "Why are dairy cows not able to cope with the subacute ruminal acidosis?" Polish Journal of Veterinary Sciences 16, no. 4 (December 1, 2013): 813–21. http://dx.doi.org/10.2478/pjvs-2013-0116.

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Abstract One of the largest challenges for the dairy industry is to provide cows with a diet which is highly energetic but does not negatively affect their rumens’ functions. In highly productive dairy cows, feeding diets rich in readily fermentable carbohydrates provides energy precursors needed for maximum milk production, but simultaneously decreases ruminal pH, leading to a widespread prevalence of subacute ruminal acidosis. Maximizing milk production without triggering rumen acidosis still challenges dairy farmers, who try to prevent prolonged bouts of low ruminal pH mainly by proper nutr

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OGDEN, N. H., P. A. NUTTALL, and S. E. RANDOLPH. "Natural Lyme disease cycles maintained via sheep by co-feeding ticks." Parasitology 115, no. 6 (December 1997): 591–99. http://dx.doi.org/10.1017/s0031182097001868.

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We present observational and experimental evidence that cycles of the Lyme disease spirochaete, Borrelia burgdorferi s.l., can be maintained by sheep in the virtual absence of alternative hosts. A 2-year field study in upland moorland habitats of northwest UK established that sheep feed up to 80% of larval, >99% of nymphal and all of the adult female tick (Ixodes ricinus) population. Infection prevalence of B. burgdorferi in questing ticks reaches over 20%, but amplification of infection occurs principally as nymphs (20- to 30-fold), rather than larvae (4- to 7-fold), feed on sheep, and tra

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