Effect of age at first calving on calving interval traits and dry period length in Holstein cows

Effect of age at first calving on calving interval traits and dry period length in Holstein cows

نویسندگان

  • Rabi Rahbar Department of Agriculture, Payam Noor University, Iran, Islamic Republic of

چکیده

   

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چاپ شده

2017-12-14

شماره

دوره 9 شماره 4 (2017)

نوع مقاله

Articles

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