Comparative assessment of growth performance of three different indigenous goat breeds exposed to summer heat stress

Summary A study was conducted to assess comparatively the growth performance of three different indigenous goat breeds during exposure to summer heat stress. The primary objective of the study was to observe the heat stress impact on the growth performance based on the body weight changes, allometri...

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Veröffentlicht in:Journal of animal physiology and animal nutrition 2018-08, Vol.102 (4), p.825-836
Hauptverfasser: Pragna, P., Sejian, V., Bagath, M., Krishnan, G., Archana, P. R., Soren, N. M., Beena, V., Bhatta, R.
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Sprache:eng
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Zusammenfassung:Summary A study was conducted to assess comparatively the growth performance of three different indigenous goat breeds during exposure to summer heat stress. The primary objective of the study was to observe the heat stress impact on the growth performance based on the body weight changes, allometric measurements, growth hormone (GH) concentration and peripheral blood mononuclear cell (PBMC) Insulin‐like growth factor‐1 (IGF‐1) mRNA expression pattern during the summer season in comparison with the local breed (Osmanabadi). Thirty‐six ten‐month‐ to one‐year‐old female goats of Osmanabadi, Malabari and Salem Black breeds were randomly divided into six groups, OC (n = 6; Osmanabadi control), OHS (n = 6; Osmanabadi heat stress), MC (n = 6; Malabari control), MHS (n = 6; Malabari heat stress), SBC (n = 6; Salem Black control) and SBHS (n = 6; Salem Black heat stress). Body weight was recorded at weekly intervals, whereas other growth and allometric measurements and blood collection were carried out at fortnightly intervals. Breed factor significantly (p 
ISSN:0931-2439
1439-0396
DOI:10.1111/jpn.12892