GENETIC AND PHENOTYPIC PARAMETERS FOR MILK YIELD, DAYS OPEN AND NUMBER OF SERVICES PER CONCEPTION OF HOLSTEIN COWS OF A COMMERCIAL HERD IN EGYPT | ||
Egyptian Journal of Animal Production | ||
Article 2, Volume 37, Issue 1, January 2000, Pages 9-17 PDF (1.69 M) | ||
Document Type: Original Article | ||
DOI: 10.21608/ejap.2000.110856 | ||
Authors | ||
S. Abou-Bakr* 1; U. . El-Saied2; M. A.M. Ibrahim3 | ||
1Department of Animal production, Faculty of Agriculture,Cairo University , Giza, Egypt | ||
2Animal Production Research Institute, Ministry of Agriculture, Dokki, Cairo, Egypt | ||
3Department of Animal production, Faculty of Agriculture, Cairo University, Giza, Egypt | ||
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