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DIAGNOSIS AND PREVENTION OF HYPOVITAMINOSES IN LAYING HENS

Khamrokulov N.Sh.J. ErgashevEshburiev S.B.Samarkand State University of Veterinary Medicine, Livestock and Biotechnologies
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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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