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PLASMA CORTISOL LEVELS AND CERTAIN METABOLIC PROCESSES IN RELATION TO INDUCED OESTRUS IN BUFFALOES

  • Sikka, P. (Central Institute for Research on Buffaloes) ;
  • Garg, G.K. (G. B. Pant University of Agriculture and Technology) ;
  • Atheya, U.K. (G. B. Pant University of Agriculture and Technology) ;
  • Chauhan, T.R. (G. B. Pant University of Agriculture and Technology)
  • Received : 1992.06.11
  • Accepted : 1992.10.27
  • Published : 1993.03.01

Abstract

Cortisol levels in plasma are known to be as an indication of reproductive and adrenal status of an animal. In this study it has been examined in relation to the oestrus induction by Progesterone oestrogen therapy in 3rd and 4th parity anoestrus animals. Cortisol was found higher in treated animals and levels raised within 6-12 hrs. after hormone therapy followed by elevation in glucose levels and depletion of total serum proteins. It shows the association of induction, occurrence and expression of oestrus with energy demanding metabolic stress in buffaloes.