Email this article Morphological and qualitative indicators of broiler cross of cockerels “Cobb 500”
- Authors: Nikitchenko VE1, Nikitchenko DV1, Fedotov VA1, Egorov IA2, Egorova TV2
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Affiliations:
- Peoples’ Friendship University of Russia (RUDN University)
- Federal Scientific Center “All-Russian Research and Technological Poultry Institute” of Russian Academy of Sciences
- Issue: Vol 13, No 2 (2018)
- Pages: 138-147
- Section: Morphology and ontogenesis of animals
- URL: https://journals.rcsi.science/2312-797X/article/view/329185
- DOI: https://doi.org/10.22363/2312-797X-2018-13-2-138-147
- ID: 329185
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Abstract
The dynamics of live weight and the morphological composition of carcasses of broiler chickens “Cobb 500” at 1-, 21-, 28-, 33-, 38- and 42-day-old ages were studied. It was found that the increase in the average daily growth in broiler males is observed up to the 33-day age, on average they are 62.7 g, then up to 42 days - 85.56 g. The slaughter yield in 33-day broilers was 71.83%, 42 days - 73.12%. The carcass contains the most muscle tissue, from 994 g (33 day), or 65.57%, to 1410 g, or 66.95% (42 days). By the 42-day age of the males, the absolute mass of muscles is 178.26 times higher than the weight of the 1-day-old ones. The relative mass of bones in the carcasses of 33-day-old males is 20.32%, 42-day-olds - 16.52%. The anatomical cutting of the carcasses shows that the breast yield is 35.95-36.23%, the hips - 17.15-17.09%, the shins - 14.38-14.20%, the wings -11.15-10.68%. It is established that anatomically parts of the carcass differ in quality because of the different ratio of muscle tissue and bones in them.
About the authors
V E Nikitchenko
Peoples’ Friendship University of Russia (RUDN University)
Author for correspondence.
Email: v.e.nikitchenko@mail.ru
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Miklukho-Maklaya st., 6, Moscow, Russia, 117198D V Nikitchenko
Peoples’ Friendship University of Russia (RUDN University)
Email: dvnikitchenko@mail.ru
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Miklukho-Maklaya st., 6, Moscow, Russia, 117198V A Fedotov
Peoples’ Friendship University of Russia (RUDN University)
Email: dvnikitchenko@mail.ru
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Miklukho-Maklaya st., 6, Moscow, Russia, 117198I A Egorov
Federal Scientific Center “All-Russian Research and Technological Poultry Institute” of Russian Academy of Sciences
Email: dvnikitchenko@mail.ru
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Ptitsegradskaya Str., 10, Sergiev Posad, Moscow Province, Russia, 141311T V Egorova
Federal Scientific Center “All-Russian Research and Technological Poultry Institute” of Russian Academy of Sciences
Email: dvnikitchenko@mail.ru
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Ptitsegradskaya Str., 10, Sergiev Posad, Moscow Province, Russia, 141311References
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