Genetic Trends for Milk Yield, Persistency of Milk Yield,Somatic Cell Count and Calving Interval in Holstein Dairy Cows of Iran

Subject Areas : Camel

A. Chegini ¹ (Department of Animal Science, Faculty of Agriculture Science, University of Guilan, Rasht, Iran)
A.A. Shadparvar ² (Department of Animal Science, Faculty of Agriculture Science, University of Guilan, Rasht, Iran)
N. Ghavi Hossein-Zadeh ³ (Department of Animal Science, Faculty of Agriculture Science, University of Guilan, Rasht, Iran)

Received: 2012-07-19 Accepted : 2012-12-31 Published : 2013-09-01

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