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Ibrahim, M., Rushdi, H., Abdel-Salam, S., Abou-Bakr, S. (2009). GENETIC AND PHENOTYPIC TRENDS OF CALVING INTERVAL AND AGE AT FIRST CALVING IN A COMMERCIAL HOLSTEIN HERD. Egyptian Journal of Animal Production, 46(2), 103-112. doi: 10.21608/ejap.2009.94034
M. A.M. Ibrahim; H. E. Rushdi; S. A.M. Abdel-Salam; S. Abou-Bakr. "GENETIC AND PHENOTYPIC TRENDS OF CALVING INTERVAL AND AGE AT FIRST CALVING IN A COMMERCIAL HOLSTEIN HERD". Egyptian Journal of Animal Production, 46, 2, 2009, 103-112. doi: 10.21608/ejap.2009.94034
Ibrahim, M., Rushdi, H., Abdel-Salam, S., Abou-Bakr, S. (2009). 'GENETIC AND PHENOTYPIC TRENDS OF CALVING INTERVAL AND AGE AT FIRST CALVING IN A COMMERCIAL HOLSTEIN HERD', Egyptian Journal of Animal Production, 46(2), pp. 103-112. doi: 10.21608/ejap.2009.94034
Ibrahim, M., Rushdi, H., Abdel-Salam, S., Abou-Bakr, S. GENETIC AND PHENOTYPIC TRENDS OF CALVING INTERVAL AND AGE AT FIRST CALVING IN A COMMERCIAL HOLSTEIN HERD. Egyptian Journal of Animal Production, 2009; 46(2): 103-112. doi: 10.21608/ejap.2009.94034

GENETIC AND PHENOTYPIC TRENDS OF CALVING INTERVAL AND AGE AT FIRST CALVING IN A COMMERCIAL HOLSTEIN HERD

Article 3, Volume 46, Issue 2, June 2009, Page 103-112  XML PDF (187.03 K)
Document Type: Original Article
DOI: 10.21608/ejap.2009.94034
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Authors
M. A.M. Ibrahim1; H. E. Rushdi2; S. A.M. Abdel-Salam3; S. Abou-Bakr email orcid 4
1Department of Animal production, Faculty of Agriculture, Cairo University, Giza, Egypt
2Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
3Department of Animal Production, Faculty of Agriculture, Cairo University
4Department of Animal production, Faculty of Agriculture,Cairo University , Giza, Egypt
Keywords
Reproductive traits; genetic trend; phenotypic trend; Holstein
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