Carcass traits in broilers fed diets containing L-glutamine and organic zinc

Main Article Content

Daniela Cristina Pereira Lima
https://orcid.org/0000-0001-8716-6983
Elvania Maria da Silva Costa Moreira
https://orcid.org/0000-0002-0751-6654
Sandra Regina Gomes da Silva
https://orcid.org/0000-0002-4724-2635
Mirian Lima Fernandes
https://orcid.org/0000-0001-7618-0798
Mabell Nery Ribeiro
https://orcid.org/0000-0003-0943-0368
Tatiele Pereira Araújo
https://orcid.org/0000-0003-4966-496X
Jackelline Cristina Ost Lopes
https://orcid.org/0000-0002-1682-2223
Jefferson Douglas Martins Ferreira
https://orcid.org/0000-0002-1330-5888
João Batista Lopes
https://orcid.org/0000-0002-0133-4366
Agustinho Valente de Figueiredo
https://orcid.org/0000-0001-7099-4520

Abstract

The objective of this study was to evaluate the effect of L-glutamine and organic zinc in diets for broilers on the parameters of carcass and meat yields, chemical composition and nutrient deposition in poultry carcasses at 21 days of age. Ross chicks (n=630) were distributed in a 2 x 3 + 1 completely randomized design, using levels of 1 and 2% L-glutamine with 0, 90 and 120 mg organic zinc/kg feed and a control diet, totaling seven treatments and five repetitions, with 18 birds each. The combination of L-glutamine and organic zinc did not influence the parameters evaluated. However, zinc supplementation alone interfered in a linearly increasing way with breast yield, in a linearly decreasing way with abdominal fat, and protein content in the carcass. Still, independently, regarding the chemical composition of poultry carcass, the level of 2% L-glutamine provided a higher concentration of dry matter and ash. Likewise, it showed the highest ash deposition. Supplementation of 2% L-glutamine in broiler diets improves the dry matter and the ash content in poultry carcasses and the inclusion of organic zinc positively interferes with the yield of breast, abdominal fat and crude protein

Article Details

How to Cite
Pereira Lima, D. C. ., da Silva Costa Moreira, E. M. ., Gomes da Silva, S. R. ., Lima Fernandes, M., Nery Ribeiro, M. . ., Pereira Araújo , T. ., Cristina Ost Lopes, J. ., Martins Ferreira , J. D., Batista Lopes , J. ., & Valente de Figueiredo , A. . (2020). Carcass traits in broilers fed diets containing L-glutamine and organic zinc. Brazilian Journal of Veterinary Medicine, 42(1), e113320. https://doi.org/10.29374/2527-2179.bjvm113320
Section
Scientific articles

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