Influence of different tropical stress conditions on biochemical parameters in various broiler strains

DOI: 10.18805/ijar.8562    | Article Id: B-2819 | Page : 35-40
Citation :- Influence of different tropical stress conditions on biochemical parameters in various broiler strains .Indian Journal Of Animal Research.2016.(50):35-40

S.A. Amrutkar, V.K. Saxena and Simmi Tomar

suraj_amrutkar@rediffmail.com
Address :

Central Avian Research Institute, Izatnagar-243 122, India.

Abstract

The present experiment was conducted to study the effect of different tropical stress conditions on biochemical traits in various broiler strains during 3 to 4 weeks of age. Introgressing some important major genes likes Naked neck (Na) and Frizzle (F) into broiler germplasm may substantially improve the heat tolerance. Hence, the experiment was designed to evaluate three indigenously developed broilers viz. CARIBRO-Tropicana (Naked neck and Frizzle gene bearing), CARIBRO-Mritunjai (Naked neck gene bearing) and CARIBRO-Vishal (Normal plumaged) under different THI (i.e. 72, 85 and 91) for 4 hours daily for 7 days. Total 324 broiler chicks (i.e. 36 chicks in each group) of 3 weeks of age were used in this study. The changes in blood biochemical parameters (i.e. Na, K, Glucose and ACTH) were examined in these experiments at 0th, 3rd and 7th into exposure trials. The glucose, ACTH were observed lowest in frizzle and highest in normal plumaged birds under different THI. In experiment Na and K were observed higher in Frizzle and lowest in normal plumaged birds under different THI. The CARIBRO-Vishal showed highest stress as compared to other group. Higher the THI more severe was the effect on the traits.  During the 7 day of exposure trial, birds of all the genetic group exhibited the phenomenon of acclimatization as reveled by the averages of various traits at different days into the exposure. 

Keywords

ACTH Biochemical traits Broiler strains Glucose Tropical stress.

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