Estimates of Genetic Parameters for Non-return rate and open Days in Iranian Holsteins

Elnaz Seyfi Shirvanehdeh, Abbas Pakdel, Behzad Hemati, Arash Mosanen, 2011, Estimates of Genetic Parameters for Non-return rate and open Days in Iranian Holsteins, Annuals of Biological Research, 2011, 2 (4) : 330-333