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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidade Estadual de Maringá
2023
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| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=303175504044 https://www.redalyc.org/journal/3031/303175504044/ https://www.redalyc.org/journal/3031/303175504044/html/ https://www.redalyc.org/journal/3031/303175504044/303175504044.epub https://www.redalyc.org/journal/3031/303175504044/movil https://doi.org/10.4025/actascianimsci.v45i1.60681 |
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- Histomorphometry of muscle fibers in breast fillets of broilers with wooden breast myopathy Andrey Sávio de Almeida Assunção Rodrigo Garófallo Garcia Claudia Marie Komiyama Renata Aparecida Martins Fabiana Ribeiro Caldara Jacqueline Rosa de Souza Maria Fernanda de Castro Burbarelli Fabiana Cavichiolo Agrociencias fiber size breast meat Abnormalities muscle morphology Wooden breast myopathy (WB) strongly affects the poultry industry mainly in terms of consumers rejection and economical loses, due to morphological changes in broiler muscle tissue and consequently low meat quality. The aim of this study is to evaluate the histomorphometry of muscle fibers of breast fillets of broilers with severity levels of WB myopathy. The histological evaluation considered 30 samples of the pectoralis major muscle and the level of WB myopathy (ten normal fillets, ten moderate fillets, and ten severe fillets). Fillets with a severe level of WB present low average fiber number, high average fiber diameter, low percentage of fibers with diameter of less than 20 µm, low percentage of fibers with diameter between 20 and 40 µm, and high percentage of fibers with diameter between 40 and 70 µm. Fiber cross-sectional area is greater in fillets affected by moderate and severe WB. Thus, fillets with a severe level of WB damage the muscle fiber structure and contribute more severely to the degenerative processes of breast meat. 2023 artículo científico 1806-2636 https://www.redalyc.org/articulo.oa?id=303175504044 https://www.redalyc.org/journal/3031/303175504044/ https://www.redalyc.org/journal/3031/303175504044/html/ https://www.redalyc.org/journal/3031/303175504044/303175504044.epub https://www.redalyc.org/journal/3031/303175504044/movil https://doi.org/10.4025/actascianimsci.v45i1.60681 en http://www.redalyc.org/revista.oa?id=3031 Acta Scientiarum. Animal Sciences application/pdf Universidade Estadual de Maringá Acta Scientiarum. Animal Sciences (Brasil) Vol.45