@inproceedings{paperid:1013983, author = {Sobhanirad, Saeid and Valizadeh, Reza and Moghimi, Ali and Naserian, Abbas Ali}, title = {Effects of feeding zinc sources on biochemical parameters, concentration of some hormones and zinc in serum of Holstein dairy cows}, booktitle = {60th Annual Meeting of the European Association for Animal Production}, year = {2009}, location = {بارسلون}, keywords = {Zinc sources; biochemical parameters; serum dairy cow}, }