Genetic relationship of age at first calving with conformation traits and calving interval in Hanwoo cows [PDF]
Journal of Animal Science and Technology, 2021 This study was performed to investigate genetic relationship of age at first calving (AFC) with body development and reproduction capacity in female Hanwoo.
SeungGyu Shin, JungJae Lee, ChangHee Do
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Random Regression Analysis of Calving Interval of Japanese Black Cows [PDF]
Animals, 2021 We estimated genetic parameters for the calving interval of Japanese Black cows using a random regression model and a repeatability model. We analyzed 92,019 calving interval records of 36,178 cows. Pedigree data covered 390,263 individuals.
Shinichiro Ogawa, Masahiro Satoh
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REPRODUCTIVE EFFICIENCY OF JERSEY COWS UNDER SUBTROPICAL CONDITIONS OF THE PUNJAB [PDF]
Pakistan Veterinary Journal, 2004 Various parameters of reproductive efficiency of Jersey cows kept at the Livestock Experiment Station, Bhunikey (Pattoki), District Kasur, for the period from 1991 to 2000 were studied.
A. Sattar, R. H. Mirza and I. Ahmad
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Revista Científica, 2023 One of the most important facts in the livestock industry is the need to increase reproductive performance to improve profitability. In the case of water buffalo cows, a calving-to-con-ception interval maximum of 90 days is recommended; however ...
Héctor Nava-Trujillo +2 more
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The Effect of Age at First Calving and Calving Interval on Productive Life and Lifetime Profit in Korean Holsteins [PDF]
Asian-Australasian Journal of Animal Sciences, 2013 This study was performed to estimate the effect of age at first calving and first two calving intervals on productive life and life time profit in Korean Holsteins.
Changhee Do +6 more
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Month and lunar cycle at calving influence and reproductive performance of a tropical buffalo herd
Revista Científica, 2023 A retrospective study (2000-2022) was conducted in a commercial buffalo farm in Mérida State, Venezuela, to assess the effect of month and lunar cycle at calving on some reproductive variables.
José Atilio Aranguren-Méndez +5 more
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JDS Communications, 2021 Within seasonal dairy systems, cows that calve late in the calving season are less likely to become pregnant and maintain a yearly calving interval. Very few studies have examined effective strategies for reproductive management of these late-calving ...
S.G. Moore +7 more
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Occurrence of preterm calving in Great Britain and associations with milk production and reproductive performance in dairy cattle [PDF]
, 2018 This study describes the occurrence of preterm calving in Great Britain and evaluates its associations with subsequent milk production and reproductive performances and survival on farm of dairy cows.
Ali +20 more
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Association between body condition score and live weight in pasture-based Holstein-Friesian dairy cows [PDF]
, 2006 peer-reviewedThe objective was to quantify the strength of the relationship between body condition score (BCS) and live weight (LW) in pasture-based Holstein-Friesian dairy cattle, and to determine the kg LW per unit BCS.
Berry, Donagh +3 more
core +1 more source
Animal, 2013 The effects of first calving (FC) in Holstein heifers on their first lactation, second lactation and lifetime milk production were examined from an initial database of 459 743 animals that first calved between 1 January 1990 and 31 July 2010 in Wallonia,
E. Froidmont +5 more
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