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Xiao Y, Wu C, Li K, et al. Association of growth rate with hormone levels and myogenic gene expression profile in broilers. J Anim Sci Biotechnol. 2017;8:43doi: 10.1186/s40104-017-0170-8.
Xiao, Y., Wu, C., Li, K., Gui, G., Zhang, G., & Yang, H. (2017). Association of growth rate with hormone levels and myogenic gene expression profile in broilers. Journal of animal science and biotechnology, 843. https://doi.org/10.1186/s40104-017-0170-8
Xiao, Yingping, et al. "Association of growth rate with hormone levels and myogenic gene expression profile in broilers." Journal of animal science and biotechnology vol. 8 (2017): 43. doi: https://doi.org/10.1186/s40104-017-0170-8
Xiao Y, Wu C, Li K, Gui G, Zhang G, Yang H. Association of growth rate with hormone levels and myogenic gene expression profile in broilers. J Anim Sci Biotechnol. 2017 May 05;8:43. doi: 10.1186/s40104-017-0170-8. eCollection 2017. PMID: 28484596; PMCID: PMC5420090.
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J Anim Sci Biotechnol. 2017 May 05;8:43. doi: 10.1186/s40104-017-0170-8. eCollection 2017.

Association of growth rate with hormone levels and myogenic gene expression profile in broilers.

Journal of animal science and biotechnology

Yingping Xiao, Choufei Wu, Kaifeng Li, Guohong Gui, Guolong Zhang, Hua Yang

Affiliations

  1. Institute of Quality and Standards for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021 China.
  2. College of Life Sciences, Huzhou University, Huzhou, 313000 China.
  3. Department of Animal Science, Oklahoma State University, Stillwater, Oklahoma 74078 USA.

PMID: 28484596 PMCID: PMC5420090 DOI: 10.1186/s40104-017-0170-8

Abstract

BACKGROUND: The growth rate often varies among individual broilers of the same breed under a common management condition. To investigate whether a variation in the growth rate is associated with a difference in hormone levels and myogenic gene expression profile in broilers, a feeding trial was conducted with 10,000 newly hatched Ross 308 chicks in a commercial production facility under standard management. At 38 d of age, 30 fast-, 30 medium-, and 30 slow-growing broilers were selected among 600 healthy male individuals. The levels of insulin-like growth factor-1 (IGF-1), triiodothyronine (T3), thyroxine (T4), and growth hormone in the serum or breast muscle were assayed by ELISA or RIA kits, and the expression levels of several representative pro- and anti-myogenic genes in the breast muscle were also measured by real-time PCR.

RESULTS: Results showed that both absolute and relative weights of the breast muscle were in linear positive correlations with the body weight of broilers (

CONCLUSIONS: Collectively, these findings suggested that the growth rate is linked to the hormone and myogenic gene expression levels in broiler chickens. Some of these parameters such as serum concentrations of IGF-1 and T3 could be employed to breed for enhanced growth.

Keywords: Breast muscle; Broiler; Growth performance; Hormone; Myogenic gene expression

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