المؤلفون: Amira M. Abd-El Hamed, Eman R. Kamel

المصدر: Veterinary World, Vol 14, Iss 1, Pp 242-249 (2021)

مصطلحات موضوعية: 305-milk yield, days in milk, days open, dry period length, holstein friesian, profitability, Animal culture, SF1-1100, Veterinary medicine, SF600-1100

وصف الملف: electronic resource

Relation: http://www.veterinaryworld.org/Vol.14/January-2021/31.pdf; https://doaj.org/toc/0972-8988; https://doaj.org/toc/2231-0916

URL الوصول: https://doaj.org/article/e6815719e59a4b4fa72c47c5df07e7f8