بررسی ارتباط برخی فراسنجه‌های تولیدی و تولیدمثلی با جنسیت گوساله‌ها در گاوهای نژاد شیری

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_{16.   Yilmaz I, Eyduran E and Kaygisiz A (2010) Determination of some environmental factors related to sex ratio brown swiss calves. The Journal of Animal & Plant Sciences. 20:164-169.}