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Evaluation of juvenile body weights, conformation traits and some heat stress parameters in broiler pure lines and crosses under high ambient temperature

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Title Evaluation of juvenile body weights, conformation traits and some heat stress parameters in broiler pure lines and crosses under high ambient temperature
Not Available
 
Creator Reddy,B.L.N.,Rajaravindra,K.S.,Rajkumar,U.and Reddy, M.R.
 
Subject Heat stress, Juvenile traits, antioxidative enzymes, genetic groups
 
Description Not Available
An experiment was conducted in broiler pure lines and crosses to evaluate juvenile body weights, conformation traits and some heat stress parameters under high ambient temperature. The ambient temperature of the brooder pens was increased to 38-400C by providing supplementary heat through halogen lamps. 2 WK body weight was highest in PB-1 followed by PB-2. 4wk body weight was highest in PB-1X naked neck cross (PN) followed by PB-2.Both 5WK and 6WK body weights were highest in PN cross followed by PB-2. Breast angle and shank length were highest in PB-1 followed by PN cross. Significant differences (P≤0.01) were found for body weight at all ages and breast angle and shank length at 5weeks among 6 genetic groups. It indicated that PN cross obtained higher juvenile body weights as compared to other genetic groups. For Lipid Peroxidase (LPO) and Catalase(CAT) non significant differences were observed among 6 genetic groups. For Glutothione peroxidase (GPx), Alkaline Phosphatase (ALP), Superoxide dismutase (SOD) and H: L ratio significant differences were observed among genetic groups. Higher estimates of GPx were found in PN cross. Higher estimate of ALP was found in control broiler. Higher estimates of SOD were found in PB-1.Higher H/L ratio was observed in control broiler. No definite trend of antioxidative enzymes was observed in these genetic groups. It may be concluded that naked neck was least susceptible to heat stress and control broiler was highly susceptible to heat stress condition.
ICAR-DPR
 
Date 2018-11-20T08:30:49Z
2018-11-20T08:30:49Z
2015-12-01
 
Type Research Paper
 
Identifier Reddy,B.L.N.,Rajaravindra,K.S.,Rajkumar,U.and Reddy, M.R.(2015) Evaluation of juvenile body weights, conformation traits and some heat stress parameters in broiler pure lines and crosses under high ambient temperature. Indian Journal of Poultry Science (2015) 50(3):254-256.Not Available
019-5529
http://krishi.icar.gov.in/jspui/handle/123456789/12316
 
Language English
 
Relation Not Available;
 
Publisher Indian Poultry science Association, Izatnagar