Effect of vitamin B12 addition to extenders on some physicochemical parameters of semen in crossbred rams
R. Asadpour1*, M. M. Pourseif 2, G. Moghadam2, R. Jafari1, H. Tayefi3 and H. Mahmodi1
1Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
2Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran.
3Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
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