Document Type : Original Article
Authors
1 Dept. of Pharmacology, Faculty of Vet. Medicine, Zagazig University
2 Depart. of Pharmacology, Faculty of Vet. Medicine , Zagazig University, Zagazig, Egypt.
3 Animal Health Research Institute, Dokki, Giza, Egypt
4 Animal Health Research Institute ,Zagazig Branch, Egypt.
Abstract