GENETIC PARAMETERS AND BREEDING VALUES FOR PRODUCTIVE REPRODUCTIVE AND PERSISTENCY OF MILK YIELD TRAITS OF CULLED COWS AND THEIR CONTEMPORARIES RETAINED IN HERD OF FRIESIAN CATTLE AT DIFFERENT LACTATIONS.
Records of production, reproductive and persistency of milk yield performance of Holstein Friesian cows kept at Mezoheges State Farm, Hungary collected during the period from 1982 to 1990 were used. These were either culled after completing a particular lactation (n = 2219) or retained to give subs...
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| Formato: | Artigo |
| Idioma: | Árabe |
| Publicado: |
Mansoura University, Faculty of Agriculture
2009-09-01
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| Series: | Journal of Animal and Poultry Production |
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| Acceso en liña: | https://jappmu.journals.ekb.eg/article_119188_e2a7cbc5e2431f5730ae8500928e65b3.pdf |
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