Comparative assessment of growth performance, heat resistance and carcass traits in four poultry genotypes reared in hot‐humid tropical environment

This study investigated the impact of heat stress on growth and carcass traits in four poultry genotypes—Giriraja, Country chicken, Naked Neck and Kadaknath reared in a hot and humid tropical environment. Birds from all genotypes had ad libitum access to feed and water while being challenged with co...

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Bibliographic Details
Published in:Journal of animal physiology and animal nutrition 2024-09, Vol.108 (5), p.1510-1523
Main Authors: Hemanth, M., Venugopal, S., Devaraj, C., Shashank, C. G., Ponnuvel, P., Mandal, P. K., Sejian, V.
Format: Article
Language:English
Subjects:
Animals
Body Composition - genetics
Body weight
carcass traits
Carcasses
Chickens - genetics
Chickens - growth & development
Chickens - physiology
Conversion ratio
Environmental conditions
Feed conversion
Gene expression
Genotype
Genotypes
growth performance
Heat resistance
Heat stress
Heat tolerance
Hot Temperature
Humidity
Impact resistance
Insulin-like growth factors
Intervals
Meteorological data
Neck
Poultry
Poultry farming
poultry genotypes
resilience
Temperature effects
Thermal resistance
Thermotolerance - genetics
Tropical Climate
Tropical environment
Tropical environments
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Summary:This study investigated the impact of heat stress on growth and carcass traits in four poultry genotypes—Giriraja, Country chicken, Naked Neck and Kadaknath reared in a hot and humid tropical environment. Birds from all genotypes had ad libitum access to feed and water while being challenged with consistently high environmental temperatures in the experimental shed. Daily diurnal meteorological data were recorded inside and outside the shed. The study specifically examined growth variables and carcass characteristics. Significant differences (p 
ISSN:0931-2439
1439-0396
1439-0396
DOI:10.1111/jpn.13994