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Veterinary Research Forum، جلد ۱۵، شماره ۵، صفحات ۲۴۳-۲۵۰
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عنوان انگلیسی A comparative study on the expression of myogenic genes, and their effects on performance and meat quality in broiler chicken strains
چکیده انگلیسی مقاله The aims of current investigation were to study the growth performance, carcass traits, meat quality and expression profile of Myostatin (MSTN), Insulin-like growth factor-1 (IGF-I), Myogenin (MyoG) and Myogenic regulatory factor 4 (MRF4) genes in three commercial broiler strains including Ross (Ross 308), Cobb (Cobb 500), and Arian in 2023. A total number of 240 one-day-old chicks were reared under an equalized standard management condition for 6 weeks. Performance, organ weights, meat quality and the expression level of the myogenic genes in the pectoral muscle were investigated. The lowest body weight (BW), feed intake, weight gain and highest feed conversion ratio (FCR) was observed for Arian at the end of the study. The meat quality was similar between strains. The IGF-I expression level was significantly higher on 42 days of age in Cobb compared to Ross and Arian. The MRF4 expression level was significantly higher on 28 days of age in Cobb compared to Ross. The MyoG expression level was significantly lower in Arian compared to Cobb on 42 days of age. Furthermore, the MSTN expression level was significantly lower in Cobb compared to Ross and Arian on 42 days of age. The remarkable differences in gene expression levels at the end of the rearing period was supported by higher growth performance and BW of Cobb compared to Ross and Arian strains. In conclusion, the findings of current study could conveniently help assess the performance of these broiler strains under similar rearing condition.
کلیدواژه‌های انگلیسی مقاله Broiler chicken,IGF-I,MRF4,Myogenin,Myostatin
نویسندگان مقاله Kamyar Yousefi |
DVSc Candidate, Department of Poultry Health and Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

Manoochehr Allymehr |
Department of Poultry Health and Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

Alireza Talebi |
Department of Poultry Health and Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

Amir Tukmechi |
Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

نشانی اینترنتی https://vrf.iranjournals.ir/article_711343_2b2506ef539bfba025eedfc0260aa079.pdf
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