Comparative study of the effect of alternative and antibiotic feed additives on the performance and intestinal histomorphometrical parameters of broiler chickens
Reza Sayrafi1*, Farhad Soltanalinejad1, Rasoul Shahrooz1 and Shaban Rahimi2
1Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
2Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
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