Academic literature on the topic 'Ewes Nutrition'

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Journal articles on the topic "Ewes Nutrition"

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Kenyon, P. R., S. J. Pain, P. G. Hutton, C. M. C. Jenkinson, S. T. Morris, S. W. Peterson, and H. T. Blair. "Effects of twin-bearing ewe nutritional treatments on ewe and lamb performance to weaning." Animal Production Science 51, no. 5 (2011): 406. http://dx.doi.org/10.1071/an10184.

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Nutrition of the ewe at various stages of pregnancy is known to affect ewe and offspring performance. However, little is known regarding the potential interactions among differing maternal nutrition regimens in early and mid–late pregnancy. The objective of the present study was to examine the effects and potential interactions of three pastoral nutritional treatments from Day 21 of pregnancy (P21) to P50 (Sub-maintenanceP21–50 (total liveweight change achieved, SMP21-50, –0.15 ± 0.02 kg/day) v. MaintenanceP21–50 (MP21-50,–0.02 ± 0.02 kg/day) v. Ad libitumP21–50 (AdP21-50,0.15 ± 0.02 kg/day) a
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Young, J. M., R. Behrendt, M. Curnow, C. M. Oldham, and A. N. Thompson. "Economic value of pregnancy scanning and optimum nutritional management of dry, single- and twin-bearing Merino ewes." Animal Production Science 56, no. 4 (2016): 669. http://dx.doi.org/10.1071/an15202.

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The nutritional requirements of twin-bearing ewes are ~25% greater than those of ewes with single fetuses during late pregnancy and nearly twice those of non-pregnant ewes. Underfeeding ewes, resulting in liveweight loss during late pregnancy, can have adverse effects on the production and survival of both the lamb and the ewe, and improving twin-lamb survival is critical to improving the overall reproductive performance of the National Merino flock. Scanning for pregnancy status and litter size allows for more precise management of the nutrition of the ewe flock according to the different nut
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Thompson, A. N., M. B. Ferguson, D. J. Gordon, G. A. Kearney, C. M. Oldham, and B. L. Paganoni. "Improving the nutrition of Merino ewes during pregnancy increases the fleece weight and reduces the fibre diameter of their progeny's wool during their lifetime and these effects can be predicted from the ewe's liveweight profile." Animal Production Science 51, no. 9 (2011): 794. http://dx.doi.org/10.1071/an10161.

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Nutrition of ewes during pregnancy can have permanent impacts on the production potential of their progeny. The hypothesis tested in the experiments reported in this paper was that improving the nutrition of Merino ewes during pregnancy and lactation increases the fleece weight and reduces the fibre diameter of their progeny’s wool during their lifetime. In addition, that these effects on the progeny’s wool production can be predicted from the ewe’s liveweight profile. At sites in Victoria and Western Australia in each of 2 years, a wide range in the liveweight and condition score profiles of
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Kenyon, P. R., R. A. Corner-Thomas, S. W. Peterson, S. J. Pain, and H. T. Blair. "Pregnancy nutrition does not influence lamb liveweight in developmentally programmed ewes." Animal Production Science 54, no. 9 (2014): 1465. http://dx.doi.org/10.1071/an14217.

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In sheep, maternal nutrition can affect the offspring’s milk production at its first lactation and the grand-offspring’s liveweight to weaning. However, this apparent developmental programming effect on milk production and grand-offspring liveweight has not persisted. Therefore, the aim of the present study was to determine if nutrition of the programmed ewe in mid- to late pregnancy affected this response. Developmentally programmed ewes (G1) that had been born from dams (G0) offered submaintenance, maintenance or ad libitum feeding levels from Day 21 to Day 50 of pregnancy and then either pr
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Jenkinson, C. M. C., A. K. Earl, P. R. Kenyon, and H. T. Blair. "Effects of maternal nutrition during pregnancy on fetal growth and maternal constraint in sheep." Animal Production Science 52, no. 7 (2012): 524. http://dx.doi.org/10.1071/an11245.

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This study set out to determine the stage of gestation at which maternal constraint on fetal growth occurs and whether pregnancy nutritional level could alleviate that constraint. One-hundred and thirty-eight Cheviot (C) and 114 Suffolk (S) ewes were split into two groups and bred with either 12 S or 12 C rams to generate four ewe/fetal groups CC (C dam and C sire), CSinC (crossbred fetus in C ewe), CSinS, and SS. At Day 21 of pregnancy (P21), half of the ewes in each of the four groups were randomly allocated to either a maintenance (M) or ad libitum (A) nutritional treatment, under pastoral
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Parr, R. A., A. H. Williams, I. P. Campbell, G. F. Witcombe, and A. M. Roberts. "Low nutrition of ewes in early pregnancy and the residual effect on the offspring." Journal of Agricultural Science 106, no. 1 (February 1986): 81–87. http://dx.doi.org/10.1017/s0021859600061773.

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SUMMARYMature Merino ewes (n = 500) were allotted at random to embryo removal (day 35; day 0 = day of oestrus detection), foetal removal (day 90) or lambing groups. These groups were further randomly divided into four single-sire mating groups. From day 1 until day 35 ewes were individually penned and fed either 50 or 150% of a maintenance ration (0·5 M or 1·5 M respectively). At day 35 single embryos were removed from anaesthetized ewes in the embryo removal group and all other ewes were endoscoped to confirm pregnancy. These ewes were then returned to pasture. Plasma samples were taken from
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Kenyon, P. R., R. E. Hickson, P. G. Hutton, S. T. Morris, K. J. Stafford, and D. M. West. "Effect of twin-bearing ewe body condition score and late pregnancy nutrition on lamb performance." Animal Production Science 52, no. 7 (2012): 483. http://dx.doi.org/10.1071/an12085.

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This study aimed to investigate the effects of ewe body condition score and nutrition on twin-bearing ewes and their offspring. At maximum Day 112 of pregnancy (range 96–112 days), 185 twin-bearing ewes were allocated to either a ‘Medium’ or ‘ad libitum’ (Adlib) feeding treatment for the following 25 days (P112–P136). Each feeding treatment included ewes of body condition score: 2.0 (CS2.0, Medium n = 32, Adlib n = 28), CS2.5 (Medium n = 31, Adlib n = 33) or CS3.0 (Medium n = 30, Adlib n = 31). After P136 ewes were offered Adlib feeding conditions. Medium treatment ewes were lighter (P < 0.
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Gunn, R. G., A. J. F. Russel, and E. Barthram. "A note on the effect of nutrition during mid pregnancy on lamb production of primiparous ewes in high body condition at mating." Animal Science 43, no. 1 (August 1986): 175–77. http://dx.doi.org/10.1017/s000335610001847x.

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Mid-Pregnancy nutrition has been shown to have both positive and negative effects on lamb birth weight in primiparous Scottish Blackface ewes. The direction of the effect depends on the level of body condition at mating, being negative in ewes in high body condition (Russel, Foot, White and Davies, 1981). In the same study, it was argued that the effect in younger ewes could be due to their greater sensitivity to both under- and over-nutrition during the earlier to mid stages of their first pregnancy than is evident in older ewes. Russel et al. (1981) also suggested that the level of mid-pregn
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Corner, R. A., P. R. Kenyon, K. J. Stafford, D. M. West, N. Lopez-Villalobos, S. T. Morris, and M. H. Oliver. "Effect of nutrition from mid to late pregnancy on the performance of twin- and triplet-bearing ewes and their lambs." Australian Journal of Experimental Agriculture 48, no. 5 (2008): 666. http://dx.doi.org/10.1071/ea07033.

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This experiment was conducted to determine the effect of two different feeding levels on ewes during mid and late pregnancy on lamb birthweight and growth to weaning. Twin- and triplet-bearing Romney ewes (n = 80 and 56, respectively) were allocated to one of two feeding regimes and provided pastures with an average sward height of less than 2 cm (~700 kg dry matter/ha) or greater than 4 cm (~1300 kg dry matter/ha). Ewes were allocated to these feeding regimes during mid pregnancy (day 70–107 of pregnancy; P70–P107) and were reallocated in late pregnancy (P108–P147). This resulted in four swar
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Behrendt, R., J. E. Hocking Edwards, D. Gordon, M. Hyder, M. Kelly, F. Cameron, J. Byron, M. Raeside, G. Kearney, and A. N. Thompson. "Offering maternal composite ewes higher levels of nutrition from mid-pregnancy to lambing results in predictable increases in birthweight, survival and weaning weight of their lambs." Animal Production Science 59, no. 10 (2019): 1906. http://dx.doi.org/10.1071/an18505.

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Management of nutrition during pregnancy for maternal composite ewes has the potential to improve lamb production and survival in prime lamb production systems but existing condition score (CS) guidelines developed for Merinos may not be appropriate for the optimum production of maternal ewes. To address this, three replicated experiments were conducted at two research sites in Victoria and one in Western Australia. Ewes (781–800 per site) were allocated to four CS treatments following pregnancy scanning (~Day 50) and differentially fed to reach approximate targets of CS 2.4, 2.8, 3.2 and 3.6
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Dissertations / Theses on the topic "Ewes Nutrition"

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Nottle, Mark Brenton. "Short-term nutrition and its effect on ovulation in the ewe." Title page, table of contents and summary only, 1988. http://web4.library.adelaide.edu.au/theses/09PH/09phn921.pdf.

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Partington, Elizabeth Claire. "Influence of nutrition on parasitism in periparturient dairy ewes." Thesis, Open University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418468.

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Kiyma, Zekeriya. "Effects of feed restriction and dietary oil supplementation on reproduction in sheep." Laramie, Wyo. : University of Wyoming, 2005. http://proquest.umi.com/pqdweb?did=888862061&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Kleemann, D. O. "A study of factors affecting embryonic, fetal and lamb survival in high fecundity merino ewes." Title page, table of contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phk638.pdf.

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Bibliography : leaves 120-133. Defines the sources of reproductive wastage in FecB FecÊ Booroola Merino x South Australian Merino ewes and examines factors associated with the survival of embryos, fetuses and lambs with the aim of improving net reproduction efficiency. Experiments were conducted to define the problem; to examine factors affecting embryonic and fetal loss; and, to investigate factors influencing wastage at lambing.
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Janse, van Rensburg Ariena. "The effect of different protein supplements on the production economics and nematode resilience of merino ewes." Pretoria : [s.n.], 2002. http://upetd.up.ac.za/thesis/available/etd-05272008-140021/.

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Kakar, Muhammad Azam. "Effect of peri-conceptional feed intake on early embryo development and fetal growth in the Merino ewe /." Title page, table of contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09ANP/09anpk138.pdf.

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Viñoles, Gil Carolina. "Effect of nutrition on follicle development and ovulation rate in the ewe /." Uppsala : Dept. of Clinical Chemistry, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/v165.pdf.

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Handford, David. "The effect of dietary protein source on the metabolism and performance of ewes in late pregnancy and early lactation." Thesis, Open University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369033.

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Daly, Fiona Frances Margaret. "The effect of diet on the nutrition and production of merino ewes in the arid shrublands of Western Australia." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/570.

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For the Arid Shrublands of Western Australia (WA) knowledge is limited on what sheep eat and how nutritious their diets are. A study was undertaken on two stations near Yalgoo (28º18’S 116º38’E) in WA, from November 2005 to December 2007. Station 1 (28º39’S 116º18’E) used a flexible rotational grazing management system (RGS), moving 3000-4000 Merino sheep every 3 – 6 weeks through a choice of 20 paddocks. Station 2 (28º18’S 116º42’E) used a flexible continuous grazing management system where small mobs (500 sheep) stayed in paddocks all year, until shearing. Two paddocks on Station 2 were chos
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Black, Heather Jayne. "Effects of shearing and its interaction with plane of nutrition on the performance of housed pregnant ewes and fattening lambs." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335345.

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Books on the topic "Ewes Nutrition"

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Carty, John. Some nutritional and disease prevention measures affecting lamb production. Dublin: University College Dublin, 1997.

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Grane, Catrina H. Mc. A Comparison of Silage Types and Saved Forages for Pregnant Ewes. Dublin: University College Dublin, 1999.

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O'Donnell, A. The effects of diet and exogenous progesterone on pregnant and lactating ewe performance. Dublin: University College Dublin, 1998.

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United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Nominations of Milton J. Hertz and Ewen M. Wilson: Hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundredth Congress, firs session on the nominations of Milton J. Hertz of North Dakota, to be a member of the Board of Directors of the Commodity Credit Corporation, and Dr. Ewen M. Wilson, of Virginia to be an assistant secretary of Agriculture ... June 30, 1987. Washington, [D.C.]: U.S. G.P.O., 1987.

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United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry. Nominations of Milton J. Hertz and Ewen M. Wilson: Hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundredth Congress, first session on the nominations of Milton J. Hertz of North Dakota, to be a member of the Board of Directors of the Commodity Credit Corporation, and Dr. Ewen M. Wilson, of Virginia to be an assistant secretary of Agriculture ... June 30, 1987. Washington: U.S. G.P.O., 1988.

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United, States Congress Senate Committee on Agriculture Nutrition and Forestry. Nominations of Milton J. Hertz and Ewen M. Wilson: Hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundredth Congress, first session on the nominations of Milton J. Hertz of North Dakota, to be a member of the Board of Directors of the Commodity Credit Corporation, and Dr. Ewen M. Wilson, of Virginia to be an assistant secretary of Agriculture ... June 30, 1987. Washington: U.S. G.P.O., 1988.

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(Editor), G. Pulina, and R. Bencini (Editor), eds. Dairy Sheep Nutrition. CABI, 2005.

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West, Kathryn S. Effects of differential ewe body condition at mating and early post-mating nutrition on embryo survival. 1990.

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Court, Jane, Sue Hides, and John Webb-Ware, eds. Sheep Farming for Meat and Wool. CSIRO Publishing, 2010. http://dx.doi.org/10.1071/9780643101333.

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Sheep Farming for Meat and Wool contains practical, up-to-date information on sheep production and management for producers throughout temperate Australia. It is based on research and extension projects conducted over many years by the Department of Primary Industries and its predecessors and the University of Melbourne. 
 The book covers business management, pasture growth and management, nutrition and feed management, drought management, reproductive management, disease management, genetic improvement, animal welfare and working dog health. It also gives seasonal reminders for a spring
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Nominations of Milton J. Hertz and Ewen M. Wilson: Hearing before the Committee on Agriculture, Nutrition, and Forestry, United States Senate, One Hundredth Congress, first session on the nominations of Milton J. Hertz of North Dakota, to be a member of the Board of Directors of the Commodity Credit Corporation, and Dr. Ewen M. Wilson, of Virginia to be an assistant secretary of Agriculture, and to be a member of the Board of Directions of the Commodity Credit Corporation June 30, 1987. Washington, [D.C.]: U.S. G.P.O., 1988.

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Book chapters on the topic "Ewes Nutrition"

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Cavalcanti, L. F. L., I. Borges, F. A. Souza, G. L. Macedo Júnior, and L. O. Tedeschi. "The development of the gravid uterus of Santa Inês ewes and ewe lambs under two nutritional planes." In Energy and protein metabolism and nutrition in sustainable animal production, 113–14. Wageningen: Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-781-3_29.

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Chay-Canul, A. J., J. C. Ku-Vera, A. J. Ayala-Burgos, M. L. Chizzotti, J. G. Magana-Monforte, and L. O. Tedeschi. "Effect of metabolizable energy intake on energy partitioning into muscle and fat in Pelibuey ewes." In Energy and protein metabolism and nutrition in sustainable animal production, 105–6. Wageningen: Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-781-3_25.

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Espinoza-Hernández, J. C., A. J. Ayala-Burgos, C. F. Aguilar-Pérez, J. G. Magaña-Monforte, and J. G. Ku-Vera. "Milk yield and composition, and efficiency of utilization of metabolisable energy for lactation by Pelibuey ewes." In Energy and protein metabolism and nutrition in sustainable animal production, 123–24. Wageningen: Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-781-3_34.

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McCoard, S., F. Sales, N. Wards, Q. Sciascia, M. Oliver, J. Koolaard, and D. van der Linden. "Intravenous administration of arginine to twin-bearing ewes enhances birth weight and peri-renal fat stores of female offspring in sheep." In Energy and protein metabolism and nutrition in sustainable animal production, 405–6. Wageningen: Wageningen Academic Publishers, 2013. http://dx.doi.org/10.3920/978-90-8686-781-3_146.

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Al-Sabbagh, Tareq. "Colostral IgG As Affected By Nutritional Status for Border Leicester Merino Ewes Delivered in Kuwait." In Science, Policy and Politics of Modern Agricultural System, 239–48. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7957-0_16.

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ROBINSON, J. J. "ENERGY AND PROTEIN REQUIREMENTS OF THE EWE." In Recent Advances in Animal Nutrition, 187–204. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-407-01163-2.50017-5.

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ROBINSON, J. J. "ENERGY AND PROTEIN REQUIREMENTS OF THE EWE." In Recent Developments in Ruminant Nutrition – 2, 365–82. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-407-01164-9.50025-x.

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Robinson, J. J. "Nutritional requirements of the pregnant and lactating ewe." In Genetics of Reproduction in Sheep, 361–70. Elsevier, 1985. http://dx.doi.org/10.1016/b978-0-407-00302-6.50038-6.

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Conference papers on the topic "Ewes Nutrition"

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Sánchez-Valencia, F., A. J. Chay-Canul, R. A. García-Herrera, M. Ptáček, A. Piñeiro-Vazquez, and F. Casanova-Lugo. "Relationship of body condition score and fat depots and in Pelibuey ewes." In 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition. The Netherlands: Wageningen Academic Publishers, 2019. http://dx.doi.org/10.3920/978-90-8686-891-9_157.

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Rashid, M. R., M. A. Hanafy, W. M. Ghoneem, M. Jean Bart, and H. Archimède. "Response of lactating Blackbelly ewes to feed: Leucaena leucocephala leaves or alfalfa with/without green banana fruits." In 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition. The Netherlands: Wageningen Academic Publishers, 2019. http://dx.doi.org/10.3920/978-90-8686-891-9_57.

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Lunesu, M. F., A. S. Atzori, C. Manca, A. Marzano, F. Correddu, A. Fenu, G. C. Bomboi, and A. Cannas. "Effects of dietary starch and fiber concentration on post-prandial evolution of blood metabolites and hormones in lactating ewes and goats." In 6th EAAP International Symposium on Energy and Protein Metabolism and Nutrition. The Netherlands: Wageningen Academic Publishers, 2019. http://dx.doi.org/10.3920/978-90-8686-891-9_73.

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Reports on the topic "Ewes Nutrition"

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Boisclair, Yves R., Alan W. Bell, and Avi Shamay. Regulation and Action of Leptin in Pregnant and Lactating Dairy Cows. United States Department of Agriculture, July 2000. http://dx.doi.org/10.32747/2000.7586465.bard.

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The original project had four specific objectives: (1) To complete the development of a radioimmunoassay for bovine leptin; (2) To characterize the leptin system in lactating dairy cows during the transition from pregnancy to lactation; (3) To identify endocrine factors regulating the production of leptin by bovine adipose tissue; (4) To study the actions of leptin on bovine adipose and mammary tissues in vitro. However, BARD funded only the development of the bovine leptin RIA (Objective 1) for a single year. This report describes our work in completing this objective. Leptin, a protein hormo
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