Fecundity of the Lagune Cow in Benin. Age at first calving and Calving Intervals
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 2005 Data collected from 1987 to 2003 at the Samiondji farm in Benin were used to study the age at first calving (n = 200) and calving intervals (n = 805) in the Lagune cow.
T.I. Alkoiret, A.B. Gbangboche
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Genome-Wide Association Study of Age at First Calving in U.S. Holstein Cows [PDF]
International Journal of Molecular Sciences, 2023 Dzianis Prakapenka +2 more
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Borgu Cow Fertility in Benin: Effect of Age at First Calving on Calving Intervals
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 2002 Data collected on the farm of Kokoubou’s monastery (department of Borgu in Benin) were used to study the age at first calving and calving intervals in Borgu cows. From 1967 to 1989, 91 ages at first calving and 524 calving intervals were used.
M. Adamou N'Diaye +3 more
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Optimisation of age at first calving in Karan Fries cattle
Indian Journal of Animal Sciences, 2016 The study was conducted on the performance records of age at first calving (AFC) spread over a period of 15 years on Karan Fries crossbred cattle maintained at Livestock Research Centre.
K PUHLE JAPHETH +5 more
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OPTIMIZATION OF AGE AT FIRST CALVING IN KARAN FRIES CATTLE [PDF]
Exploratory Animal and Medical Research, 2012 Data on 571 Karan Fries (crossing Tharparkar and Sahiwal cows with American Holstein Friesian sires) at NDRI, Karnal was studied for determination of optimum age at first calving (AFC).
P.K.Panja, S. Taraphder
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Italian Journal of Animal Science, 2010 Genetic parameters for the relation between the traits of milk yield (MY), age at first calving (AFC) and interval between first and second calving (IBFSC) were estimated in milk buffaloes of the Murrah breed.
R.R. Aspilcueta Borquis +5 more
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The effect of age at first calving on the milking performance of primiparous Jersey cows [PDF]
Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego, 2021 The aim of this study was to determine the effect of age at first calving on the milking performance of primiparous Jersey cows (261 cows). Analyses were conducted on 2461 test day milking samples from 17.09.2007 to 26.07.2016.
Jarosław Pytlewski +1 more
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Relationship Between Age at First Calving and 305-Day Milk Yield in Hungarian Holstein-Friesian Cows: Trends and Genetic Parameters [PDF]
AnimalsSzabolcs Bene, László Bognár
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Heritability Estimates of Age at First Calving and Correlation Analysis in Angus Cows Bred in Hungary [PDF]
AnimalsSzabolcs Bene, Judit Marton
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Identification of markers for functional traits in Murrah buffaloes
Indian Journal of Animal Sciences, 2021 Twelve half sib families were created and two functional traits, viz. age at first heat and age at first calving were recorded for 4,851 and 946 daughters belonging to 12 sires.
UPASNA SHARMA +5 more
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