For citations:
Zhukov I.V., Ushkova A.A. THE STUDY OF THE CAUSES OF METABOLIC DISORDERS AND LOW INTENSITY OF SPECIFIC IMMUNITY IN LAYING HENS. Proceedings of the Voronezh State University of Engineering Technologies. 2015;(4):125-128. (In Russ.) https://doi.org/10.20914/2310-1202-2015-4-125-128