The effectiveness of using plant-based feed supplement made of Astragalus cicer in the diets of laying hens

Agricultural producers are increasingly using plant-based feed additives in the diets of livestock and poultry as a way to increase animal productivity and stabilize the protective functions of the body. The purpose of the research was to study the effectiveness of using Astragalus cicer feed supplement in the diets of laying hens of the Lohmann Brown-Light cross at the age of 25-51 weeks. The composition of the compound feed included a phytoadditive made from Astragalus cicer in the volume: I experimental group – 3.60 %, II experimental – 7.20 % by the weight of the compound feed. The duration of the scientific and production experiment was 183 days. The analysis of the content of biologically active substances in the Astragalus cicer phytoadditive has revealed a high content of dihydroquercetin – 336.25 mg/100g of absolutely dry substance.image As the result of the research, it was found that laying hens of the II experimental group, which received 7.20 % of Astragalus cicer phytoadditive in the compound feed, had more intensive metabolic processes in the body, which contributed to obtaining a greater effect from them. Laying hens of the II experimental group compared with the control and I experimental groups had 2.19 and 2.18 % higher values of nitrogen utilization out of taken feed, egg production was higher by 2.81 and 1.10 %, the cost of compound feed decreased by 10 pcs. eggs, that was by 4.76 and 2.38 %, respectively. The profitability level of egg production in the II experimental group was higher compared with the control and I experimental groups by 3.83 and 5.16%, respectively.

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