Features of embryonic development of meat quails
https://doi.org/10.26898/0370-8799-2021-4-6
Abstract
The influence of breed and storage period of hatching eggs on the duration and results of incubation and the development of quail was studied. It has been noted that in breeding quail farms, the collection period for hatching eggs can be as long as 2-3 weeks. Storage time has a negative effect on incubation time, embryo development, egg hatchability and hatchability of young chicks, which consequently reduces the economic efficiency of the poultry farm. The study was carried out on the eggs of the Pharaoh and Texas White quail breeds. It was found that storage of quail eggs for more than 7 days reduces the hatchability of eggs by 8.3-38.2% and the hatchability of young quail eggs by 15.7-41.4%. Reduced fertilization of eggs correlated with the loss of egg weight during storage (r = 0.974-0.995, p < 0.05). Extending the shelf life of quail eggs to 14-21 days increased the average incubation hour of the Pharaoh breed by 6.3-12.1 hours, and the Texas white breed by 2.5-9.7 hours, had a significant effect during the embryogenesis period on the live weight of day-old quails of both breeds, utilization of yolk sac nutrients and development of the heart, liver and gizzard (η2 = 0.541-0.902, p <0.05-0.01). Hatchery eggs of the meat quail breeds Pharaoh and Texan White should be stored for no more than 7 days before incubation. The results of this study can be used in breeding, industrial and farm quail farms for planning sampling times, the number of eggs laid for incubation and places for planting day-old chicks, the number of future layers, the amount of feed needed; in the educational process of agrarian educational institutions.
About the Authors
T. N. Kolokolnikova
Siberian Scientific Research Institute of Poultry Farming - Branch of the Federal State Budget Scientific Institution "Omsk Agrarian Scientific Center"
Russian Federation
Russian Federation
Tatyana N. Kolokolnikova - Candidate of Science in Agriculture, Senior Research Scientist.
644555, the Omsk region, Omsk district, Morozovka village, 60 let Pobedy str., 1.
A. B. Dymkov
Siberian Scientific Research Institute of Poultry Farming - Branch of the Federal State Budget Scientific Institution "Omsk Agrarian Scientific Center"
Russian Federation
Russian Federation
Andrei B. Dymkov - Candidate of Science in Agriculture, Director.
644555, the Omsk region, Omsk district, Morozovka village, 60 let Pobedy str., 1.
E. P. Pontan'kova
Siberian Scientific Research Institute of Poultry Farming - Branch of the Federal State Budget Scientific Institution "Omsk Agrarian Scientific Center"
Russian Federation
Russian Federation
Elena P. Pontan'kova - Junior Research Scientist.
644555, the Omsk region, Omsk district, Morozovka village, 60 let Pobedy str., 1.
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For citations:
Kolokolnikova T.N., Dymkov A.B., Pontan'kova E.P. Features of embryonic development of meat quails. Siberian Herald of Agricultural Science. 2021;51(4):53-60. (In Russ.) https://doi.org/10.26898/0370-8799-2021-4-6
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