GENETIC AND PHENOTYPIC STUDIES ON MILK PRODUCTION TRAITS OF FRIESIAN COWS IN EGYPT.
Total of 2860 records from 1st to e" lactations of Friesian cows were used in the present study. Number of sires and the average number of daughters per sire were 231 and 12.4, respectively. These data were used to estimate genetic and phenotypic parameters for total milk yield (TMY), 305 day mil...
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| Hlavní autoři: | , |
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| Médium: | Artigo |
| Jazyk: | Árabe |
| Vydáno: |
Mansoura University, Faculty of Agriculture
2005-10-01
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| Edice: | Journal of Animal and Poultry Production |
| Témata: | |
| On-line přístup: | https://jappmu.journals.ekb.eg/article_238048_d0ad73d58119ca7d2497c95d3193c75b.pdf |
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