DIAGNOSIS AND PREVENTION OF HYPOVITAMINOSES IN LAYING HENS
Khamrokulov N.Sh.J. ErgashevEshburiev S.B.Samarkand State University of Veterinary Medicine, Livestock and biotechnologies
ABI
Abstract
The article describes the causes of hypovitaminosis in laying hens, early diagnosis, egg productivity and the results of studying the effectiveness of drugs in prevention.
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