The effect of dihydroquercetin on the growth and development of replacement laying hens
This paper discusses the effect of the use of dihydroquercetin in the feeding of rearing young laying hens aged from 1 to 21 weeks of the Highsex Brown cross in the conditions of the Novoivanovskaya poultry farm of the Svobodnensky district. The duration of the experiment was 150 days. 4 groups of chickens at the age of one week were selected according to the analogues pair’s method, 46 animals each. The control group received the main diet adopted in the farm, and the diet of I, II, III experimental groups included the addition of dihydroquercetin (from one to 8 weeks in the amount of 1; 2; 3 mg per head per day; from 9 to 16 weeks - 2; 3; 4 mg per day; from 17 to 21 weeks - 3; 4; 5 mg per head per day). The diet of the animals was balanced and met the requirements of the All-Russian Scientific Research and Technological Institute of Poultry Farming. As a result of the research, it turned out that the inclusion of dihydroquercetin in the diet of animals has a positive effect on the increase in the live weight of the experimental bird, helps to reduce feed consumption, and increases its palatability. Blood tests and measurements of experimental animals did not reveal a negative effect on their growth, development and health.