%0 Journal Article
%A 
%T The effect of zinc supplementation on serum cancentration of zinc, vitamin A and  b - carotane in dairy cow
%J Journal of Veterinary Clinical and Laboratory Research(JLACSR)
%V 4
%N 11
%P 63-68
%D 2010
%R 
%U https://sanad.iau.ir/fa/Article/1098878