نتایج جستجو برای: reproductive performance
تعداد نتایج: 1139528 فیلتر نتایج به سال:
Journal:
:Journal of Dairy Science
1984
Journal:
:Natural and Engineering Sciences
2019
Journal:
:European Journal of Wildlife Research
2010
Journal:
:Theriogenology
2010
Journal:
:پژوهش های علوم دامی ایران
0
سوریه ایری
فیروز صمدی
سعید حسنی
the purpose of this research was the study of reproductive performance in postpartum dairy cows with different parities. twenty holstein dairy cows were assigned into two equal primiparous and multiparous groups. body weight and body condition score (based on 1-5 scoring) were measured every other week, starting from two weeks before calving till pregnancy confirmation. daily milk yield was als...
Journal:
:Nigerian Journal of Animal Production
2021
Journal:
:Poultry Science
1971
Journal:
:Nigerian Journal of Animal Production
2021
Journal:
:Japanese Journal of Sheep Science
1991
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