%0 Conference Proceedings
%T Hazard ratios and correlation coefficients of some metabolic variables during the first 30 and cumulative 60 days of lactation and days open in Holstein dairy cows.
%A Heravi Moussavi, Alireza
%A  گرایلی
%A  Danesh Mesgaran, Mohsen
%J International Conference on Farm Animal Reproduction
%D 2007