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August 15, 2025AnimalsOpen Access

Genetic Evaluation of Growth Traits in Black-Boned and Thai Native Synthetic Chickens Under Heat Stress

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Authors

WKWootichai KenchaiwongMahasarakham UniversityDPDoungnapa PromketMahasarakham UniversityVSV. SirisanMahasarakham University

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Overview

This study evaluates growth traits in black-boned and Thai native synthetic chickens under increasing heat stress, suggesting genetic variability among breeds.

Key Points

  • Thai native synthetic chickens showed superior thermotolerance at THI thresholds, offering better growth traits compared to black-boned chickens.
  • At THI72, black-boned chickens experienced sharp declines in body weight, with an average reduction of 10.9 grams, indicating lower resilience.
  • A reaction norm model was applied to estimate genetic parameters across five generations of both chicken breeds during heat exposure.
  • Identifying heat-resilient genotypes aids in developing climate-smart poultry breeding practices for sustainable production.

Cite This Study

Kenchaiwong et al. (2025) studied this question.

synapsesocial.com/papers/68a365600a429f797332b44chttps://doi.org/10.3390/ani15152314
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Also Consider

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