Research article
Issue: № 4 (20), 2021


The article presents the results of studies of the features of embryogenesis of the chickens of the Smena-9 crossbreed when using in ovo energotropic substances ubiquinone and L-carnitine. The study demonstrates that injections of ubiquinone negatively affected the hatchability of eggs decreasing it by 4.1% compared to the control group; the substance also influenced the relative and absolute weight of day-old chickens. Injections of L-carnitine contributed to the better preservation of vitamins A and E in the yolk sac and liver of chickens. Embryos receiving ubiquinone were observed to have a reduced glucose and cholesterol content in the blood a day after injection; the difference was significant with the control groups (p<0.05).The relative weight of the glandular stomach of day-old chickens was higher in the group receiving ubiquinone compared with the control group (p<0.05).

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