Birth traits of pure Holstein calves versus Montbeliarde-sired crossbred calves
نویسندگان
چکیده
منابع مشابه
A Quantitative Comparison of Growth and Carcass Traits from Crossbred Calves Sired by a Modern Phenotype Paternal Breed Versus Calves Sired by a Multi-Generational Maternal Breed
متن کامل
Impact of birth weight of Iranian Holstein calves on their future milk production and reproductive traits
The objective of this study was to investigate the effect of birth weight (BW) on future milk production and reproductive performance in Iranian Holstein cattle. Records of Holstein cows between 1967 and 2010 were obtained from the Animal Breeding Center of Iran. Birth weights within each herd were grouped into five categories based on the standard normal distribution curves (z ≤-0.8416, -0.841...
متن کاملComparison of Feedlot Performance and Carcass Traits of Charolais and Brahman Sired Three-Breed Cross Calves
Feedlot performance and carcass traits were compared between Charolais and Brahman sired three-breed cross calves. Data were obtained on 251 calves (127 heifers and 124 steers). All calves were placed on a self-fed finishing ration immediately after wea,ning and slaughtered when each animal attained an estimated low choice carcass grade. Feedlot performance favored calves sired by Charolais. Ch...
متن کاملProduction of pure Holsteins versus crossbreds of Holstein with Normande, Montbeliarde, and Scandinavian Red.
Pure Holsteins (n = 380) were compared to Normande/Holstein crossbreds (n = 245), Montbeliarde/Holstein crossbreds (n = 494), and Scandinavian Red/Holstein crossbreds (n = 328) for 305-d milk, fat, and protein production during first lactation. Scandinavian Red was a mixture of Swedish Red and Norwegian Red. Cows were housed at 7 commercial dairies in California and calved from June 2002 to Jan...
متن کاملimpact of birth weight of iranian holstein calves on their future milk production and reproductive traits
the objective of this study was to investigate the effect of birth weight (bw) on future milk production and reproductive performance in iranian holstein cattle. records of holstein cows between 1967 and 2010 were obtained from the animal breeding center of iran. birth weights within each herd were grouped into five categories based on the standard normal distribution curves (z ≤-0.8416, -0.841...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2010
ISSN: 0022-0302
DOI: 10.3168/jds.2009-2911