Abstract
Application of biologically active compositions, containing colamine, succinic acid, serine, and pyridoxine hydrochloride before hatching decreased hatchery waste and increased hatching rates by 2.65% and egg hatchability by 1.85%. The chicks of the experimental group exhibited a decrease in the intensity of lipid peroxidation, which indicated a greater resistance to stress. This conclusion is additionally based on an increase in the Krebs index by a factor of 1.74 (p < 0.01) and leukocyte intoxication index by 5.53% and a decrease in the lymphocyte-granulocyte index by a factor of 1.75 (p < 0.05) and leukocyte index by 1.67% (p < 0.05). The body length of the offspring of the experimental group was by 2.12% less and safety for 60 days of cultivation was 3% higher compared to the control.
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Kochish, I.I., Lugovaya, I.S., Azarnova, T.O. et al. Increased Stress Resistance of the Offspring Egg Cross Chickens when Using Biologically Active Substances before Hatching. Dokl Biol Sci 494, 236–239 (2020). https://doi.org/10.1134/S0012496620050051
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DOI: https://doi.org/10.1134/S0012496620050051