Morphological and qualitative indicators of broiler cross of cockerels “Cobb 500”

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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, 117198

D V Nikitchenko

Peoples’ Friendship University of Russia (RUDN University)

Email: dvnikitchenko@mail.ru

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Miklukho-Maklaya st., 6, Moscow, Russia, 117198

V A Fedotov

Peoples’ Friendship University of Russia (RUDN University)

Email: dvnikitchenko@mail.ru

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Miklukho-Maklaya st., 6, Moscow, Russia, 117198

I 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, 141311

T 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, 141311

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Copyright (c) 2018 Nikitchenko V.E., Nikitchenko D.V., Fedotov V.A., Egorov I.A., Egorova T.V.

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