Acta Veterinaria Brno

Ijaz Javed¹, Zia-Ur-Rahman¹, Muhammad Z. Khan², Faqir Muhammad¹, Bilal Aslam¹, Zahid Iqbal¹, Javed I. Sultan³, Ijaz Ahmad⁴

¹Department of Physiology and Pharmacology,
²Department of Pathology,
³Institute of Animal Nutrition and Feed Technology, University of Agriculture Faisalabad, Pakistan,
⁴Department of Physiology and Biochemistry, University of Veterinary and Animal Sciences, Lahore, Pakistan

Received March 31, 2008
Accepted February 9, 2009