Results 261 to 270 of about 11,907 (273)

A large-scale study on the effect of age at first calving, dam parity, and birth and calving month on first-lactation milk yield in Holstein Friesian dairy cattle

Journal of Dairy Science, 2020
M Van Eetvelde, M L Van Pelt, Geert Opsomer   +2 more
exaly  

Effects of calving age, breed fraction and month of calving on calving interval and survival across parities in Irish spring-calving dairy cows

Livestock Science, 2006
R D Evans, Dorian J Garrick, P Dillon
exaly  

Associations between age at first calving and subsequent performance in Irish spring calving Holstein–Friesian dairy cows

Livestock Science, 2009
D P Berry, A R Cromie
exaly  

Effect of Age at First Calving on Some Productive and Longevity Traits in Iranian Holsteins of the Isfahan Province

Journal of Dairy Science, 2004
Mohammad Ali Nilforooshan, M A Edriss
exaly  

Phenotypic and genetic relationships between age at first calving, its component traits, and survival of heifers up to second calving

Journal of Dairy Science, 2018
Johannes Heise, Kathrin F Stock, Henner Simianer   +2 more
exaly  

Impact of Age at Calving on Lactation, Reproduction, Health, and Income in First-Parity Holsteins on Commercial Farms

Journal of Dairy Science, 2004
J E P Santos
exaly  

Trends in Calving Ages and Calving Intervals for Dairy Cattle Breeds in the United States

Journal of Dairy Science, 2006
H D Norman, J R Wright
exaly  

Association between growth rates, age at first calving and subsequent fertility, milk production and survival in Holstein-Friesian heifers

Open Journal of Animal Sciences, 2013
Zhangrui Cheng, D Claire Wathes
exaly  

Characterization of the variable cow's age at last calving as a measurement of longevity by using the Kaplan–Meier estimator and the Cox model

Animal, 2013
Guilherme J M Rosa, Rodrigo Pelicioni Savegnago, Salvador Boccaletti Ramos   +2 more
exaly  

Changes in the genetic level and the effects of age at first calving and milk production on survival during the first lactation over the last 25 years

Animal, 2016
M L Van Pelt, R F Veerkamp
exaly