Effect of heat and nutritional stress on growth and testicular HSP70 expression in goats

Authors

  • P.A. ABDUL NIYAS ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore
  • V. SEJIAN ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore
  • M. BAGATH ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore
  • S. PARTHIPAN ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore
  • SELLAPPAN SELVARAJU ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore
  • G. B. MANJUNATHAREDDY ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Yelahanka, Bangalore-560064
  • E.K. KURIEN Academy of Climate Change Education and Research, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala
  • GIRISH VARMA Centre for Animal Adaptation to Environment and Climate Change Studies, Kerala Veterinary and Animal Sciences University, Mannuthy, Thrissur, Kerala
  • R. BHATTA ICAR - National Institute of Animal Nutrition and Physiology, Adugodi, Bangalore

DOI:

https://doi.org/10.54386/jam.v19i3.619

Keywords:

Osmanabadi bucks, heat stress, nutritional stress, spermatological traits, HSP70

Abstract

A study was conducted to assess the combined effects of heat and nutritional stress on body weight changes and HSP70 gene expressionin Osmanabadi goats. Twenty four adult Osmanabadi bucks were divided into four groups of six animals each viz. C (control), HS (heat stress), NS (nutritional stress) and CS (combined stress). The C and HS bucks had ad libitum access to their feed while NS and CS bucks were subjected to restricted feed (30% intake of C bucks) to induce nutritional stress. The HS and CS bucks were exposed to heat stress in outside environment for six hours a day between 10:00 h to 16:00 h. Both C and HS groups showed significantly higher (P<0.01) body weight and body condition scoring as compared to NS and CS groups. The highest plasma growth hormone (P<0.01) was recorded in CS group and the lowest in all stress groups (C, HS and NS). The higher (P<0.05) expression of testicular Heat Shock Protein 70 (HSP70) mRNA was reported in HS groups. It can be concluded from this study that when nutrition is not compromised Osmanabadi goats were able to withstand heat stress without compromising production.

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Published

01-09-2017

How to Cite

P.A. ABDUL NIYAS, V. SEJIAN, M. BAGATH, S. PARTHIPAN, SELLAPPAN SELVARAJU, G. B. MANJUNATHAREDDY, E.K. KURIEN, GIRISH VARMA, & R. BHATTA. (2017). Effect of heat and nutritional stress on growth and testicular HSP70 expression in goats. Journal of Agrometeorology, 19(3), 189–194. https://doi.org/10.54386/jam.v19i3.619

Issue

Vol. 19 No. 3 (2017): September

Section

Research Paper

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