INFLUENCE OF THE SPECTR OF THE LIGHT DURING MEAT-EGGING PULLET REARING ON THE PRODUCTIVE INDICATORS OF THE ADULT POULTRY

Abstract

One of the insufficiently studied issues in the during of replacement young stock hens young meat-and-egg chickens rearing is the determination of rational parameters of light programs for them. Proceeding from this, research was conducted at the SPRS NAAS to study the effect of the light spectrum in the poultry house during the rearing of replacement young stock of Birkovskiy meat-and-egg chickens on the results of its rearing and the productive indicators of adult birds. 6 groups of Birkovskiy meat-and-egg day-old chicks were formed, during the cultivation of which, respectively, LED lamps (LED) of cold white (4500 K), warm white (3000 K), green, blue and red light, as well as standardized incandescent lamps were used. (IL). At the age of 18 weeks, conditioned chicks were transferred to the poultry house for adult birds, where all of their groups were kept under warm white light (3000 K) with LED. It was found that the replacement young stock grown under green and cold white light (4500 K) at the age of 18 weeks had an advantage in live weight of 78-116 g (P≤0.05) compared to those grown under red light or LED or warm white IL light (2700 K). There were no other statistically significant differences in the main indicators of rearing young stock under light sources with different spectra. The rearing young reared under green and blue light later had a 1.6-1.9 g greater egg mass (P≤0.05) compared to those grown under warm white light LED (3000 K) or IL (2700 K), however, was inferior in egg production and total egg mass yield per initial laying hen to young animals that were grown under cold white (4500 K) light. There were no statistically significant differences between the groups that were grown under the light of different spectra in terms of the yield of hatching eggs and the main indicators of their incubation.