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Journal articles on the topic 'Milking frequency per day'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Mačuhová, Lucia, Vladimír Tančin, and Juliana Mačuhová. "The effect of milking frequency on milk yield and milk composition in ewes." Czech Journal of Animal Science 65, No. 2 (2020): 41–50. http://dx.doi.org/10.17221/254/2019-cjas.

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Milking frequency is the main factor regulating milk yield and milk quality if feeding, welfare, health, and environmental conditions are adequate. Milk yield and composition are substantially influenced by breed, and consequently the breed has an impact on both factors at a different frequency of milking. Further, the size of cisternal compartment plays an important role in accommodating secreted milk between milkings. Thus, ewes with large cisterns (i.e. large cisternal area, high cisternal milk percentage, and delayed tight junction opening during milk stasis) adapt themselves better to lon

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Lopes, Marcos Aurélio, Tatiane Mendonça Nogueira, and Gastão Lemos Barbosa. "Economic viability of the third milking in systems of production using closed-circuit mechanical milking." Revista Ceres 61, no. 4 (2014): 544–51. http://dx.doi.org/10.1590/0034-737x201461040014.

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This study aimed to analyze the economic viability of the third milking in production systems using mechanical milking in a closed circuit, aiming to provide technicians and farmers with information to assist them in decision-making. Specifically, it intended: (a) to estimate the cost of one milking; (b) to estimate the cost of the third milking; (c) to develop a mathematical equation to estimate the minimum amount of milk produced with two milkings, from which it would be economically feasible to do the third milking. Data were collected from three dairy farms, from November 2010 to March 201

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Sitkowska, Beata, Dariusz Piwczyński, Magdalena Kolenda, and Jolanta Różańska-Zawieja. "The milking frequency of primiparous cows in their early stage of lactation and its impact on milking performance." Animal Production Science 60, no. 3 (2020): 436. http://dx.doi.org/10.1071/an18409.

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An automatic milking system allows cows to present their full production capability by not limiting them to a specific time when the milking occurs or a fix number of milkings per day. The beginning of the first lactation is a key point in terms of subsequent milk production. The aim of the present study was to indicate the relationship between the milking frequency of primiparous cows during the first month of lactation and their subsequent milk performance. Material of the study consisted of 25 Polish herds of Holstein–Friesian dairy cattle. All cows were milked with the use of an automatic

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Córdova, Helder de Arruda, Dileta Regina Moro Alessio, Leonardo Leite Cardozo, and André Thaler Neto. "Impact of the factors of animal production and welfare on robotic milking frequency." Pesquisa Agropecuária Brasileira 53, no. 2 (2018): 238–46. http://dx.doi.org/10.1590/s0100-204x2018000200013.

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Abstract: The objective of this work was to evaluate the impact of production factors on milking frequency and the latter’s effect on animal welfare in robotic milking. The experiment was performed with Holstein Friesian cows housed in free-stall barns. To assess the impact of production factors, body condition score, milk yield, and concentrate intake were determined. To determine the effects of the milking frequency on welfare, the locomotion and teat-end scores and serum cortisol level were evaluated. Three experimental groups were formed according to the daily average milking frequency: 1.

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Khisamov, R. R., L. R. Zagidullin, and R. R. Kayumov. "LACTIVE ACTIVITIES OF FIRST-CALF COWS USING ROBOTIC MILKING." Scientific Notes Kazan Bauman State Academy of Veterinary Medicine 246, no. 2 (2021): 256–61. http://dx.doi.org/10.31588/2413-4201-1883-246-2-256-261.

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Studies have been conducted to assess the lactation productivity of Kholmogory breed Tatarstan type first-calf cows with robotic milking systems. The frequency of milking distribution during the day was observed: in the interval of 4-6 hours, the minimum number of milking occurs (6.4 %), in the interval of 12-14 hours, the maximum number (10.7 %). Most milking (34.7 %) is carried out in 6-8 hours after the previous one. More frequent milking (after 4-6 hours) is rarely observed is in 6 % of cases. 48.6 % of milking occurs after the 8-12 hour interval. For an interval of more than 12 hours occu

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Mattachini, Gabriele, Johanna Pompe, Alberto Finzi, Emanuela Tullo, Elisabetta Riva, and Giorgio Provolo. "Effects of Feeding Frequency on the Lying Behavior of Dairy Cows in a Loose Housing with Automatic Feeding and Milking System." Animals 9, no. 4 (2019): 121. http://dx.doi.org/10.3390/ani9040121.

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Management systems in modern dairy farms is an important issue in relation to animal comfort and welfare. The objective of this study was to determine the effect of feed delivery frequency on the behavior patterns, visits to an automatic milking system (AMS) and on milk production of lactating dairy cows. The study was conducted on a commercial dairy farm with automatic feeding and milking systems. Feeding treatments consisted of two different frequencies, high feed delivery frequency (11 deliveries per day) and low feed delivery frequency (six deliveries per day). Lying behavior of 20 dairy c

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Hjalmarsson, Fanny, Ingemar Olsson, Sabine Ferneborg, Sigrid Agenäs, and Emma Ternman. "Effect of low light intensity at night on cow traffic in automatic milking systems." Animal Production Science 54, no. 10 (2014): 1784. http://dx.doi.org/10.1071/an14215.

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Several studies have shown benefits of long-day (16 h) photoperiod in lactating dairy cows, but have not identified a suitable light intensity for the dark hours. It is known that the locomotion pattern of dairy cows is altered at low light intensities and this may translate to reduced cow traffic and milking frequency, which would have a negative impact on system productivity. However, it is also recognised that a significant disturbance of rest may have a negative impact on the health and productivity of high-yielding dairy cows. This study examined the effect of three different night-time l

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Correa-Luna, Martín, Daniel Donaghy, Peter Kemp, et al. "Productivity, Profitability and Nitrogen Utilisation Efficiency of Two Pasture-Based Milk Production Systems Differing in the Milking Frequency and Feeding Level." Sustainability 13, no. 4 (2021): 2098. http://dx.doi.org/10.3390/su13042098.

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The aim of this study was to model the productivity, profitability and the nitrogen (N) utilisation efficiency (NUE) of two spring-calving pasture-based milk production systems differing in milking frequency and intensification levels in New Zealand. For this purpose, physical performance data from a low-intensity production system where cows were milked once per day (OAD-LI) and from a high-intensity production system where cows were milked twice per day (TAD-HI) were employed. OAD-LI cows were milked once-daily with a stocking rate (SR) of 2.1 cows/ha and fed diets with low supplementation (

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Niasari-Naslaji, A., A. Afsharian, and E. Naghzali. "217 EFFECT OF FREQUENCY OF MILKING ON POSTPARTUM EVENTS IN SISTANI CATTLE." Reproduction, Fertility and Development 22, no. 1 (2010): 266. http://dx.doi.org/10.1071/rdv22n1ab217.

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Prolonged postpartum anestrus is a major concern in Bos indicus breeds. Sistani cattle is an Iranian Bos indicus beef breed with more than 5000 years of history in the northwest part of Iran, Sistan. This breed is well adapted to the harsh, arid environment, which includes 120 days of hot winds. Small holders in the Sistan region use Sistani cattle for both meat and milk. The purpose of this study was to investigate the effect of frequency of milking on the postpartum events in this breed. Healthy Sistani cattle (n = 41) with 3.3 ± 0.3 parity and normal parturition were randomly assigned to 3

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Bayram, Ercan, and Savaş Atasever. "Factors Affecting Milk Production in Anatolian Buffalo Herds in Samsun Province of Turkey." Turkish Journal of Agriculture - Food Science and Technology 8, no. 6 (2020): 1369–72. http://dx.doi.org/10.24925/turjaf.v8i6.1369-1372.3376.

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The aim of this study was to determine the relations of some affecting factors with milk production in Anatolian buffalo enterprises in Samsun province, Turkey. The questionnaires were applied by interviews to thirty nine buffalo farmers those selected by random sampling method. Effects of experience (EF) and education level (EL) of farmer, number of milking animal (NM), concentrate feeding application (CF), weaning period (WP), milking frequency per day (MP), udder disinfection premilking (UDP) on daily milk yield (DMY) were found to be insignificant. Further studies including more factors an

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Deming, J. A., R. Bergeron, K. E. Leslie, and T. J. DeVries. "Associations of cow-level factors, frequency of feed delivery, and standing and lying behaviour of dairy cows milked in an automatic system." Canadian Journal of Animal Science 93, no. 4 (2013): 427–33. http://dx.doi.org/10.4141/cjas2013-055.

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Deming, J. A., Bergeron, R., Leslie, K. E. and DeVries, T. J. 2013. Associations of cow-level factors, frequency of feed delivery, and standing and lying behaviour of dairy cows milked in an automatic system. Can. J. Anim. Sci. 93: 427–433. The objectives of this observational study were to quantify the standing and lying behaviour of dairy cows milked in an automatic milking system (AMS) and determine associations of this behaviour with cow-level factors (parity, stage of lactation, production, lameness) and feeding management (frequency of feed delivery). Ninety lactating Holstein cows (178±

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Kuczaj, Marian, Anna Mucha, Alicja Kowalczyk, Ryszard Mordak, and Ewa Czerniawska-Piątkowska. "Relationships between Selected Physiological Factors and Milking Parameters for Cows Using a Milking Robot." Animals 10, no. 11 (2020): 2063. http://dx.doi.org/10.3390/ani10112063.

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The aim of the study was to determine the effect of the number and stage of lactations, time of day and calving season of cows on milk yield from a single milking, average milking time, average milking per minute, daily milking frequency and the relationship between the tested parameters of quarter milking. The study included a herd of 65 Polish Holstein Friesian black and white cows used in a free-range barn located in south-west Poland. The animals were kept in proper welfare conditions, fed using the partly mixed ration (PMR) method on the feeding table. The milk was obtained using the Lely

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Lessire, Françoise, Nassim Moula, Jean-Luc Hornick, and Isabelle Dufrasne. "Systematic Review and Meta-Analysis: Identification of Factors Influencing Milking Frequency of Cows in Automatic Milking Systems Combined with Grazing." Animals 10, no. 5 (2020): 913. http://dx.doi.org/10.3390/ani10050913.

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More dairy farms (up to more than one in four in some countries) are equipped with automatic milking systems (AMS) worldwide. Because of the positive impacts of grazing, e.g., on animal welfare or on production costs, numerous researchers have published papers on the combination of AMS with grazing. However, pasture-based AMS usually causes a reduction in milking frequency (MF) compared to indoors systems. The objectives of this meta-analysis were to review publications on the impacts of pasture-based AMS on MF and mitigation strategies. First, data from 43 selected studies were gathered in a

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Sharipov, Delyus, Oleg Yakimov, Firaya Akhmetzyanova, and Ildar Galimullin. "Features of concentrate feeding in an automatic milking system with free cow traffic." BIO Web of Conferences 27 (2020): 00010. http://dx.doi.org/10.1051/bioconf/20202700010.

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The objective of this research was to study the main factors influencing the consumption of concentrate depending on the daily milk yield in an automatic milking system (AMS) with free cow traffic. The researchers obtained data by visiting AMS from 227 lactating Holstein dairy cows for 30 days. For a more complete characterization of milking activity and feeding concentrate during milking in the AMS, the cows were divided into 6 groups: with a milk yield less than 20.0 kg, 20.1–25.0, 25.1–30.0, 30.1–35.0, 35.1–40.0 and more than 40.1 kg per day. With an increase in milk production, the allocat

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Prescott, N. B., T. T. Mottram, and A. J. F. Webster. "Relative motivations of dairy cows to attend a voluntary automatic milking system." BSAP Occasional Publication 20 (1997): 80–83. http://dx.doi.org/10.1017/s0263967x0004341x.

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Voluntary automatic milking is proposed as a system whereby dairy cows can choose to be milked when they want. The aim is to develop a system that can milk and perform all the associated tasks without requiring routine human intervention. (Details of the design and operation can be found in Street et al., 1992.) The system may not be viable unless the cows visit at an appropriate frequency, high enough to generate the 0·10 to 0·15 proportional increase of milk yield from cows milked three or more times per day (e.g. Knight and Wilde, 1993) but not so high as to result in some cows over-using t

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Kostenko, V. I. "ON THE MATTER OF MILK SECRETION INTENSITY BY COW’S MAMMARY GLAND." Animal Science and Food Technology 11, no. 4 (2020): 54–60. http://dx.doi.org/10.31548/animal2020.04.054.

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The secretion of milk in the intervals between milkings has its own patterns, and therefore researchers have different opinions about the intensity of the secretory process. Some scientists believe that the secretion of milk is uneven. Immediately after emptying the udder, it is higher, and with increasing interval, the intensity of the secretory process decreases, i.e. it is curved. This issue is still not clarified scientifically. The aim of our research was to study the change in the intensity of milk secretions during lactation under the condition of "voluntary", physiologically motivated

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Ts, Baigalmaa, Purevsuren D, Burenjargal S, et al. "Influence of the frequency and interval to milk of mare on yield, composition and sanitary parameters of the milk." Mongolian Journal of Agricultural Sciences 25, no. 03 (2018): 3–8. http://dx.doi.org/10.5564/mjas.v25i03.1160.

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The experiment was conducted in order to evaluate the frequency and interval to milk of mare how to influence on yield and composition of the milk and sanitary parameters, dividing 15 mares older than 5 years old into 3 groups by foaling date and milk yield, from 8:00 am to 8:00 pm according to the hygiene and sanitary basic regime. Therefore, 1st group was milked 12 times per day with an hour interval, 2nd group was milked 6 times per day with a 2-hour interval, 3rd group was milked 3 times per day with a 4 hour interval and determined sanitary parameters, composition and milk yield for each

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Berry, D. P., V. E. Olori, A. R. Cromie, R. F. Veerkamp, M. Rath, and P. Dillon. "Accuracy of predicting milk yield from alternative milk recording schemes." Animal Science 80, no. 1 (2005): 53–60. http://dx.doi.org/10.1079/asc34880053.

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AbstractThe effect of reducing the frequency of official milk recording and the number of recorded samples per test-day on the accuracy of predicting daily yield and cumulative 305-day yield was investigated. A control data set consisting of 58 210 primiparous cows with milk test-day records every 4 weeks was used to investigate the influence of reduced milk recording frequencies. The accuracy of prediction of daily yield with one milk sample per test-day was investigated using 41 874 testday records from 683 cows. Results show that five or more test-day records taken at 8-weekly intervals (A8

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Hnoievyi, I. V., R. U. Batyr, and T. S. Voitenko. "Efficiency of the transfer of cows for tieless maintenance and their feeding under intensive technology of milk production." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 20, no. 89 (2018): 22–26. http://dx.doi.org/10.32718/nvlvet8904.

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The paper presents the results of research in the working conditions of an agricultural enterprise that studies the efficiency of double, triple and triple partly milking of cows in connection with their transfer from a fixed content to a tieless box and the addition of some green mass into the contents of the feed mix. The purpose of our research was to determine the efficiency of different ratios of green and conserved feeds in the ration of dairy cows during summer period; to study the effect of the frequency of milking on the milk productivity of the Black-and-White breed cows in the condi

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Sitkowska, B., D. Piwczyński, J. Aerts, and M. Waśkowicz. "Changes in milking parameters with robotic milking." Archives Animal Breeding 58, no. 1 (2015): 137–43. http://dx.doi.org/10.5194/aab-58-137-2015.

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Abstract. The aim of this present study is to describe changes occurring during the milking of cows in various periods following the introduction of an AMS (automatic milking system). The following cow milking parameters were analysed: milkings per cow per day, milking yield, milking speed and milking duration. An increase in milk yield in AMS barns has been found to be possible, but it is affected by a number of factors related to cow milking performance. Milk yield was observed to gradually grow with time after the installation of the robots. Older cows in their third and fourth lactations a

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Stockdale, C. R. "Influence of milking frequency on the productivity of dairy cows." Australian Journal of Experimental Agriculture 46, no. 7 (2006): 965. http://dx.doi.org/10.1071/ea05308.

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Benefits and issues of changing milking frequency from the traditional twice a day are reviewed. Increased efficiency through dairy automation and mechanisation, and the desire to utilise advances in genetic selection, have made milking more frequently than twice a day an attractive option for some farmers. The size of the response to increased milking frequency appeared not to be related to existing milk yield, with the average response to increasing the frequency from 2 to 3 times a day being 3.5–3.8 kg/day. Labour is the single most important cost associated with the decision to increase mi

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Krömker, Volker, Claudia Zinke, Jan-Hendrik Paduch, Doris Klocke, Anette Reimann, and Georg Eller. "Evaluation of increased milking frequency as an additional treatment for cows with clinical mastitis." Journal of Dairy Research 77, no. 1 (2009): 90–94. http://dx.doi.org/10.1017/s0022029909990422.

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This field study focused on the possible effects of increased milking frequency (milking four times a day in comparison with milking twice a day) on clinical and bacteriological cure rates of clinical, antibiotically treated mastitis cases. Parameters tested were clinical, microbiological and full (cytomicrobiological) cure as well as the development of milk yield after the clinical mastitis episode. Cows from a large dairy herd meeting the study criteria (n=93) were assigned to two treatment groups by a systematic randomization scheme (blocked by body temperature <=or >39·5°C). Both gro

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Zagidullin, Lenar R., Rifat R. Khisamov, Rubin R. Kayumov, Igor V. Lomakin, and Nadezhda M. Kanalina. "Lactive activities and the process of milking of first-calf cows using robotic milking." BIO Web of Conferences 17 (2020): 00038. http://dx.doi.org/10.1051/bioconf/20201700038.

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Studies have been conducted to assess the lactation productivity of first-calf cows of Kholmogory breed of Tatarstan type using robotic milking systems. The following changes in the amount of milking over the course of 10 months of lactation were observed: during the first month, the cows were milked the least number of times, which was 75, or 2.4 times per day. During the second month, they were milked 86 times (2.8 per day). By the 4th month, milking reached a peak of 93 times (3 per day). By the 5th month, a decline was observed (by 11 % compared to the 4th month). The average number of mil

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KELLY, ALAN L., SUSAN REID, PATRICK JOYCE, WILLIAM J. MEANEY, and JOHN FOLEY. "Effect of decreased milking frequency of cows in late lactation on milk somatic cell count, polymorphonuclear leucocyte numbers, composition and proteolytic activity." Journal of Dairy Research 65, no. 3 (1998): 365–73. http://dx.doi.org/10.1017/s0022029998002921.

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The effects of reducing the frequency of milking of cows in late lactation on milk somatic cell count (SCC), polymorphonuclear leucocyte (PMN) content, chemical composition and proteolytic activity were investigated. Intermittent milking is frequently practised by Irish farmers in late lactation, and the objective of this study was to determine whether this procedure could be linked to altered quality of milk. Seventeen Holstein Friesian cows in late lactation (>215 d in milk) were assigned to two treatment groups, and were either milked twice a day until drying-off (control group) or milke

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Prescott, N. B., T. T. Mottram, and A. J. F. Webster. "Effect of food type and location on the attendance to an automatic milking system by daily cows and the effect of feeding during milking on their behaviour and milking characteristics." Animal Science 67, no. 2 (1998): 183–93. http://dx.doi.org/10.1017/s1357729800009942.

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AbstractFood can be used in an automatic milking system (AMS) to encourage frequent attendance to, and modify behaviour in, an AMS. An AMS was designed such that a cow had to pass from a bedded area through the AMS to enter the feeding area. A visit resulted in milking if the interval since the last milking was greater than 4 h.Fourteen Holstein-Friesian dairy cows were allowed to attend voluntarily an AMS for 15 h/day for three 8-day periods. In period 1 the cows were given forage in the feeding area and concentrates in the bedded area but in period 2 this was reversed. Period 3 repeated peri

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Post, Christian, Christian Rietz, Wolfgang Büscher, and Ute Müller. "The Importance of Low Daily Risk for the Prediction of Treatment Events of Individual Dairy Cows with Sensor Systems." Sensors 21, no. 4 (2021): 1389. http://dx.doi.org/10.3390/s21041389.

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The prediction of health disorders is the goal of many sensor systems in dairy farming. Although mastitis and lameness are the most common health disorders in dairy cows, these diseases or treatments are a rare event related to a single day and cow. A number of studies already developed and evaluated models for classifying cows in need of treatment for mastitis and lameness with machine learning methods, but few have illustrated the effects of the positive predictive value (PPV) on practical application. The objective of this study was to investigate the importance of low-frequency treatments

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Alabiso, M., C. Giosuè, M. L. Alicata, F. Mazza, and G. Iannolino. "The effects of different milking intervals and milking times per day in jennet milk production." Animal 3, no. 4 (2009): 543–47. http://dx.doi.org/10.1017/s1751731108003753.

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Sandoval-Castro, C. A., S. Anderson, and J. D. Leaver. "Influence of milking and restricted suckling regimes on milk production and calf growth in temperate and tropical environments." Animal Science 69, no. 2 (1999): 287–96. http://dx.doi.org/10.1017/s1357729800050852.

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AbstractTwo experiments were carried out to investigate the effect of restricted suckling and milking regimes on milk yield, milk composition and calf growth. Experiment 1 was carried out in temperate conditions in the United Kingdom and experiment 2 under tropical conditions in Mexico. In experiment 1 a Latin rectangle (change-over) design with 3-week periods was used with eight Holstein Friesian cows suckling their Simmental-sired calves. Saleable milk yield (SMY), sucked milk (CSM), milk composition and calf performance were studied. The treatments were: once a day milking (a.m.) with suckl

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Jago, Jenny G., Kendra L. Davis, Peter J. Copeman, Ian Ohnstad, and Murray M. Woolford. "Supplementary feeding at milking and minimum milking interval effects on cow traffic and milking performance in a pasture-based automatic milking system." Journal of Dairy Research 74, no. 4 (2007): 492–99. http://dx.doi.org/10.1017/s002202990700283x.

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In extensive pastoral dairy farming systems herds graze 12 months of the year with the majority fed a near-100% pasture or conserved pasture diet. The viability of automatic milking in these systems will depend partly upon the amount of supplementary feed necessary to encourage cows to walk from the pasture to the milking unit but also on the efficient use of the automatic milking system (AMS). This paper describes a study to determine the importance of offering concentrate in the milking unit and the effect of minimum milking interval on cow movement and milking performance in a pasture-based

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Pšenka, M., M. Šístková, Š. Mihina, and R. Gálik. "Frequency analysis of noise exposure of dairy cows in the process of milking." Research in Agricultural Engineering 62, No. 4 (2016): 185–89. http://dx.doi.org/10.17221/4/2015-rae.

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In the environment of farms and farm buildings, cattle are exposed to various unnatural influences. Such an impact is also noise always arising with a certain energy conversion. In cattle farms, the sources of noise are represented by various mechanical equipment and machines that are used for enabling farm operations. The aim of the paper was to analyse the noise levels in dairy cattle production in the environment, during their day routine. Noise levels were measured at two farms with a different technological layout of milking parlour, with a different way of milking. The noise exposure of

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Sharipov, Delyus, Rubin Kayumov, Takhir Akhmetov, Rustam Ravilov, and Firaya Akhmetzyanova. "The effect of milking frequency and intervals on milk production and functional properties of the cows’ udder in automatic milking systems." BIO Web of Conferences 17 (2020): 00036. http://dx.doi.org/10.1051/bioconf/20201700036.

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The objective of this study was to describe the association between the milking frequency and milk production and to determine the effect of milking intervals on the functional properties of the udder of cows in automatic milking systems. Thousand eight milking recordings were enrolled in the study, in total, 106 Holstein cows were observed. The results of studies showed that at a daily milk yield per cow of 22.0 ± 0.6 (means ± SD) kg, the milking frequency was 2 times (13.5 % of the total number of milkings), 32.7 ± 0.4 kg – 3 times (57.2 %), 37.7 ± 0.6 kg – 4 times (28.0 %), 51.3 ± 4.1 kg –

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Bohlsen, E., R. Waßmuth, and D. Ordolff. "Aussagegenauigkeit der Milchleistungsprüfung unter Bedingungen automatischer Melkverfahren – Vergleich deutscher und kanadischer Modellansätze." Archives Animal Breeding 46, no. 1 (2003): 3–15. http://dx.doi.org/10.5194/aab-46-3-2003.

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Abstract. Title of the paper: Reliability of milk recording applying automatic milking - comparison of German and Canadian model approaches Due to a high variability of milking intervals within animals rate of milk secretion and milk yield per hour in automatic milking systems (AMS) are more variable than in conventional milking systems. Further reasons are technical problems and the absence of milking persons cows with problems are to be milked. The calculation of milk yield obtained in 24 hours, only based on milking during the test day, is not precise enough. To calculate the average milk y

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Golovan, Valentin, Mariya Galicheva, Denis Osepchuk, Tamara Nepshekueva, and Aleksandr Suvorov. "Cows‘ milk productivity determining method." E3S Web of Conferences 175 (2020): 03001. http://dx.doi.org/10.1051/e3sconf/202017503001.

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Cows’ milk productivity determining method of includes: determining the amount of milk during control milking, milk sampling and analyzing its fat and protein content for each milking, they are the same indicators for the day; calculating the conversion coefficients of milk amount and the mass fraction of fat and protein for each milking into daily indicators. Then one control milking is performed per day, and the same indicator is calculated for the same type of feeding, maintenance, and milking based on its indicators multiplied by the Corresponding coefficient. The time intervals between mi

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Torres, Alexandr, Lorenzo-Enrique Hernández-Castellano, Antonio Morales-delaNuez, et al. "Short-term effects of milking frequency on milk yield, milk composition, somatic cell count and milk protein profile in dairy goats." Journal of Dairy Research 81, no. 3 (2014): 275–79. http://dx.doi.org/10.1017/s0022029914000211.

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Goats in Canary Islands are milked once a day by tradition, but in most countries with high technology on farms, goats are milked twice a day, which is known to improve milk yield. Therefore it is important to know whether the increase of milking frequency can improve the production without impairing milk quality. The objective of this study was to investigate the short term effects of three milking frequencies on milk yield, milk composition, somatic cell count (SCC) and milk protein profile in dairy goats traditionally milked once a day. Twelve Majorera goats in early lactation (48±4 d in mi

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Aerts, Joanna, Dariusz Piwczyński, Heydar Ghiasi, Beata Sitkowska, Magdalena Kolenda, and Hasan Önder. "Genetic Parameters Estimation of Milking Traits in Polish Holstein-Friesians Based on Automatic Milking System Data." Animals 11, no. 7 (2021): 1943. http://dx.doi.org/10.3390/ani11071943.

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The automatic milking system (AMS) provides a large amount of information characterizing the course of each milking cow, which is not available in the conventional system. The aim of our study was to estimate heritability and genetic correlations for milk yield (MY), milking frequency (MF), and speed (MS) for 1713 Polish Holstein-Friesian primiparous cows milked in barns with an AMS. Daily heritability indicators estimated using second-order Legendre polynomials and Random Regression Models showed high variation during lactation, ranging 0.131–0.345 for MY, 0.153–0.322 for MF, and 0.336–0.493

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D’Urso, Provvidenza Rita, and Claudia Arcidiacono. "Effect of the Milking Frequency on the Concentrations of Ammonia and Greenhouse Gases within an Open Dairy Barn in Hot Climate Conditions." Sustainability 13, no. 16 (2021): 9235. http://dx.doi.org/10.3390/su13169235.

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Knowledge of how different management strategies affect gas production from livestock buildings can be helpful for emission predicting purposes and for defining mitigation strategies. The objective of this study was to statistically assess whether and how measured concentrations of ammonia (NH3), methane (CH4) and carbon dioxide (CO2) were influenced by milking frequency. Concentrations of gases were measured continuously by using infrared photoacoustic spectroscopy in the breeding environment of an open dairy barn located in Sicily in hot climate conditions. Data were acquired by specific in-

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Edwards, J. P. "A comparison of profitability between farms that milk once or twice a day." Animal Production Science 60, no. 1 (2020): 102. http://dx.doi.org/10.1071/an18528.

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To attract and retain quality staff, dairy farming must be competitive with industries offering conventional hours of work. Full lactation once-a-day (OAD) milking is one option that could help achieve this goal. The present study analysed the profitability of milking OAD, using data from commercial farms for the production seasons 2005–2006 to 2015–2016. Once-a-day herds were matched with herds milking twice-a-day (TAD) by district and herd size to create 927 OAD–TAD pairs. Milksolids (MS; kg fat + kg protein) per hectare decreased by an average of 13% after adopting OAD; however, farm workin

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Rossing, W., P. H. Hogewerf, A. H. Ipema, C. C. Ketelaar-De Lauwere, and C. J. A. M. De Koning. "Robotic milking in dairy farming." Netherlands Journal of Agricultural Science 45, no. 1 (1997): 15–31. http://dx.doi.org/10.18174/njas.v45i1.523.

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The role of engineering research in the development of robotic milking systems and the integration of robotic milking in dairy farms are reviewed. The milking stall, robot arm, teat sensing system, milking equipment and udder cleaning devices of commercial automatic milking systems (AMS) available in the Netherlands at the end of 1996 are described. The importance of the attractiveness of the milking stall, lay-out of the barn and the introduction of a cow routing with special gates in the barn is highlighted. Increasing the milking frequency from 2 to 3 times/day results in a higher yield of

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Sonck, B. R. "Labour research on automatic milking with a human-controlled cow traffic." Netherlands Journal of Agricultural Science 43, no. 3 (1995): 261–85. http://dx.doi.org/10.18174/njas.v43i3.566.

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A calculation model for a task-time program was designed for the determination of the labour requirement for milking cows with a milking robot and using different working methods. Task times were derived from observations on commercial farms where automatic milking was combined with human-controlled cow traffic and on an experimental farm where automatic milking was combined with computer-controlled cow traffic. Based on these work studies, jobs were derived for automatic milking methods combined with 5 grassland strategies. 17 variants were quantified by means of a case-study. Calculations wi

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Halachmi, I., S. Ofir, and J. Miron. "Comparing two concentrate allowances in an automatic milking system." Animal Science 80, no. 3 (2005): 339–43. http://dx.doi.org/10.1079/asc40480339.

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AbstractThis study investigated the potential for applying an automatic milking system (AMS) to the management of high-yielding cows offered a total mixed ration (TMR). The null hypothesis was that it is desirable to maintain even in AMS, the TMR feeding management practice recommended for high-yielding cows and therefore it can be attained by ‘reducing the concentrate allocation in the robot without reducing the number of milkings’. Two feeding regimes were used: the ‘candy concept’, with only 1·2 kg of food concentrate – the minimum to attract the cow – provided at each visit to the milking

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Voříšková, Jarmila, Miroslav Maršálek, Sandra Reichová, Jana Zedníková, and Antonín Machálek. "Results of robotic milking on selected farms in the Czech Republic." Journal of Agrobiology 27, no. 2 (2010): 121–28. http://dx.doi.org/10.2478/s10146-009-0013-0.

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Results of robotic milking on selected farms in the Czech RepublicThe introduction of robotic milking into farms in the Czech Republic began in 2003. This paper gives the results on 7 farms with robotic milking machines, with regard to breed (Bohemia Spotted cattle, Holstein), company size (number of robots 1 to 8) and type of ownership (private, cooperative). All farms used Lely Astronaut A3 robots. The companies showed statistical differences in average daily milk performance (P≤0.001) from 21.04 kg of milk/head/day to 40.43 kg of milk/head/day. Small private companies with one robot reached

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Wicks, H. C. F., A. F. Carson, M. A. McCoy, and C. S. Mayne. "Effects of habituation to the milking parlour on the milk production and reproductive performance of first calving Holstein-Friesian and Norwegian dairy herd replacements." Animal Science 78, no. 2 (2004): 345–54. http://dx.doi.org/10.1017/s1357729800054126.

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AbstractTwenty-nine Holstein-Friesian and 20 Norwegian dairy herd replacements were used to investigate the effect of habituating heifers to the milking parlour environment prior to calving on subsequent lactational performance. The heifers commenced the study at 3 weeks prior to calving when they were allocated on the basis of breed, genetic merit and live weight to either a habituation or no habituation (control) treatment. Heifers were housed together in cubicle accommodation with grass silage offered ad libitum along with 1 kg of concentrates per head per day offered in the feeding passage

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Faugno, Salvatore, Stefania Pindozzi, Collins Okello, and Maura Sannino. "Testing the application of an automatic milking system on buffalo (Bubalus bubalis)." Journal of Agricultural Engineering 46, no. 1 (2015): 13. http://dx.doi.org/10.4081/jae.2015.437.

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The automatic milking systems (AMS) have been deeply studied in dairy cows applications, but not in the case of buffaloes; although, a few applications to the species can be found in literature. The objective of this study is to compare some important functional aspects of AMS with the conventional milking systems. Aspects such as adaptation of buffalo to AMS and the possible relationship between milking frequency and daily milk yield were evaluated. Two groups of <em>Bubalus</em> <em>bubalis</em> were reared in the same barn, in a farm located in Piana del Sele (SA) so

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Kiselev, L. Yu, R. A. Kamalov, M. Yu Borisov, N. A. Fedoseeva, and Z. S. Sanova. "Modern technologies of robotized cowing milk." Rossiiskaia selskokhoziaistvennaia nauka, no. 3 (June 24, 2019): 54–57. http://dx.doi.org/10.31857/s2500-26272019354-57.

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The studies were conducted in the conditions of LLC “Milk Group” of Sukhinichsky district of Kaluga region. The object of research is robotic milking machines, Swedish breed cows and Danish red breeds. Equality of development of the front and rear lobes, the udder index, the average milk flow rate and the frequency of delivery can be achieved only with long-term selection by type, good severity of signs of milkiness. Based on the selection of cows for milking on a robotized milking plant, the following requirements were put forward: high milk productivity and milk yield, tightly attached udder

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O'BRIEN, BERNADETTE, GERARD RYAN, WILLIAM J. MEANEY, DAVID McDONAGH, and ALAN KELLY. "Effect of frequency of milking on yield, composition and processing quality of milk." Journal of Dairy Research 69, no. 3 (2002): 367–74. http://dx.doi.org/10.1017/s0022029902005605.

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The objective was to determine the effect of once-daily milking (ODM) and omitting one evening milking each week (13TWM), in late lactation on milk production, composition and processability. Seventy-two cows were assigned to three treatments (ODM, 13TWM and twice-daily milking [TDM]) from 4 October to 12 December. Cows were on average 218 d into lactation at the start of the trial, and all cows were managed similarly throughout the trial. Milk yields and gross milk composition of cows on all treatments were measured, and milk samples for detailed compositional and processability analysis were

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Pluta, L. "Use of magnesium by cow’s breast tissue in the lactation periods during the day." Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, no. 3 (46) (October 1, 2019): 23–28. http://dx.doi.org/10.32845/bsnau.vet.2019.3.3.

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The article is presented daily dynamics of the magnesium using of cow’s mammary gland during the new lactation period. During the time from milking to milking the breast tissue in the new lactation period absorbed and released Magnesium into the flowing out blood. In general, the use of Magnesium by the tissues of the cow’s mammary gland during the new lactation period during the time of the first milking ranged from 1.44±0.288 to 1.46±0.292 mmol/l. Magnesium from the incoming blood. For the fourth hour after milking, the breast tissue of the cows was absorbed only 0.01±0.002 mmol/l of Magnesi

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Freitas, Priscila Ribeiro Corradi, Sandra Gesteira Coelho, Euler Rabelo, Ângela Maria Quintão Lana, Maria Alexandra Torres Artunduaga, and Helton Mattana Saturnino. "Artificial induction of lactation in cattle." Revista Brasileira de Zootecnia 39, no. 10 (2010): 2268–72. http://dx.doi.org/10.1590/s1516-35982010001000024.

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Forty Holstein cows, with previous reproductive problems, empty, at second or more lactations, with an average milk production of 9,200 kg in the previous lactation and a dry period over than 50 days were distruibuted in two groups to evaluate two protocols of milking induction. It was given to group 1, on days one, eight and 21 recombinant bovine somatotropin-bSTr (500 mg); from day two to eight, estradiol cypionate (0.075 mg/kg BW) and medroxi progesterone acetate (0.25 mg/kg BW); from days nine to 15, estradiol cypionate (0.037 mg/kg BW); on day 19, prostaglandin F2α (0.530 mg) and from day

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Ivanyos, Dorottya, László Ózsvári, István Fodor, Csaba Németh, and Attila Monostori. "Associations between milking technology, herd size and milk production parameters on commercial dairy cattle farms." Mljekarstvo 70, no. 2 (2020): 103–11. http://dx.doi.org/10.15567/mljekarstvo.2020.0204.

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The aim of the study was to survey the milking technology and to analyse the associations between milking parlour type, herd size, and milk production parameters on dairy cattle farms. The milking technology was surveyed by using a questionnaire in 417 Hungarian dairy herds with 177,514 cows in 2017, and it was compared with their official farm milk production data. The surveyed farms were categorized according to their size (1-50, 51-300, 301-600, and &gt;600 cows) and to their milking parlour types (herringbone, parallel, carousel, and others). The relationships were analysed by multivar

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Filho, Josemar Gonçalves Oliveira, Wagner Rodrigues Nascimento, Simonny Monthiel Araújo Vasconcelo, Marcelo Gomes Judice, and Mariana Buranelo Egea. "New Strategy to Reduce Water Consumption and Waste Generation During the Mechanical Milking Process in a Small Cattle Sector." Journal of Management and Sustainability 11, no. 1 (2021): 102. http://dx.doi.org/10.5539/jms.v11n1p102.

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Dairy cattle farming is an activity of great economic importance in Brazil; however, this activity presents high water consumption and volume of waste generated. The objective in the present work was to measure water consumption and waste generation during mechanical milking, in order to promote rational initiatives for the process. The farm property showed the consumption of 64.76% of the whole used water per day and generation of 35.24% of waste-water in the milking process. After orientation, the average coefficient of water consumption in the cattle sector decreased to 3.2 liters with a da

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Talukder, S., P. Celi, K. L. Kerrisk, S. C. Garcia, and N. K. Dhand. "Factors affecting reproductive performance of dairy cows in a pasture-based, automatic milking system research farm: a retrospective, single-cohort study." Animal Production Science 55, no. 1 (2015): 31. http://dx.doi.org/10.1071/an13010.

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A retrospective, single-cohort study was conducted to identify production and health factors associated with reproductive performance in a pasture-based, automatic milking system research farm. The calving system of this herd shifted from split calving to year-round calving gradually during the study period. Data from 365 cows with 798 lactations were analysed. Reproductive outcome variables of interest were intervals from calving to first oestrus, to first insemination, and to conception, as well as number of inseminations per conception, probability of submission for insemination by 80 days

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