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Genetic and phenotypic trends of calving interval and age at first calving in a commercial Holstein herd [electronic resource]. by Language: English Summary language: Arabic
Other title:
  • الإتجاهات الوراثية و المظهرية لصفة الفترة بين ولادتيين و العمر عند أول ولادة لأبقار الهولستين فى قطيع تجارى.
In: Egyptian Journal of Animal Production 2009.v.46 (2)
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Genetic and phenotypic analyses of days open and 305-day milk yield in a commercial holstein friesian herd [electronic resource]. by Language: English Summary language: Arabic
Other title:
  • تحاليل وراثية ومظهرية لفترة الأيام المفتوحة ومحصول اللبن فى 305 يوم فى قطيع هولشتين فريزيان تجارى.
In: Egyptian Journal of Animal Production 2015.v.52 (2)
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