*PhD, Assistant, Department of “Non-communicable Diseases”, Samarkand Institute of Veterinary Medicine, Uzbekistan
**Professor, Doctor of Veterinary Sciences, Department of “Non-communicable Diseases”, Samarkand Institute of Veterinary Medicine, Uzbekistan
*** Associate Professor, Candidate of Veterinary Sciences, Head of the Department of “Non-Communicable Diseases”, Samarkand Institute of Veterinary Medicine, Uzbekistan
**** Associate Professor, Doctor of Veterinary Sciences, Department of “Diseases of Poultry, Fish, Bees and Fur Animals”, Samarkand Institute of Veterinary Medicine, Uzbekistan
Online published on 28 September, 2021.
This article describes the main causes of hypovitaminosis in laying hens, the analysis of clinical and hemomorphobichemical parameters, as well as the results of group-prophylactic treatment. When the amounts of retinol and carotenoids in the egg yolk in the egg samples obtained from the chickens in the experimental group were examined, the chickens in the experimental and control groups showed almost the same values at the beginning of the experiments.
Chickens, Hypovitaminosis, Hypodynamics, Retinol, Cholecalciferol, Tocopherol, Ascorbic Acid, Choline Chloride, Vitaprem, Monvit-R, Carotenoids
