Abstract
This paper presents the results of the use of coniferous phytogenic feed additive (CPFA) when feeding laying quails of the White Texas breed. The experiment was carried out in the physiological yard of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine in accordance with the Methods for conducting scientific and production research on feeding poultry (All-Russian Research and Technological Poultry Institute, Sergiev Posad, 2013). The purpose of the research was to study the main economic performance when adding a coniferous phytogenic feed additive (CPFA) to complete feed for laying quails of the White Texas breed. As a result of the research, it was revealed that the use of a feed additive based on logging waste can increase the survival rate of the population by 5.0%; egg production for initial and average laying quail — by 2.6%; oviposition rate — by 1.9%; gross egg collection — by 8.0% relative to the control. When using CPFA in complete feed for laying quails, an earlier onset of sexual maturity in quails was 1 day earlier compared to the control group. It should also be noted that when using a feed additive based on logging waste, feed consumption per ten eggs was reduced by 4.3% compared to the control. Data obtained during the experiment indicate that the addition of 0.4% CPFA by weight of feed into complete feed for laying quails has a positive effect on the main economic traits in egg production.
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