@article{paperid:1025017,
author = {Farajiarogh, Hadi and Aslaminejad, Ali Asghar and H. Farhangfar},
title = {Estimation of genetic parameters and trends for age at first calving and calving interval in iranian Holstein cows},
journal = {پژوهش در علوم کشاورزی - Journal of Research in Agricultural Science},
year = {2011},
volume = {7},
number = {1},
month = {December},
issn = {1735-8884},
pages = {79--87},
			numpages = {8},
keywords = {genetic trend; reproductive traits; iranian holstein cows},
}