Novel insights into heat tolerance: the impact of dwarf and frizzled feather traits on crossbreed chicken performance under thermal stress

Nawaz, Ali Hassan; Jiao, Zhenhai; Zhang, Li; Wang, Fujian; Zhang, Weilu; Zheng, Jiahui; Sun, Junli; Zhu, Zijing; Lin, Shudai

doi:10.1080/1828051x.2024.2314150

Italian Journal of Animal Science

2024

DOI: 10.1080/1828051x.2024.2314150

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Novel insights into heat tolerance: the impact of dwarf and frizzled feather traits on crossbreed chicken performance under thermal stress

Ali Hassan Nawaz,

Zhenhai Jiao,

Li Zhang

et al.

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2024

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Cited by 2 publications

References 35 publications

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Climate change and its effects on poultry industry and sustainability

Attia,

Aldhalmi,

Youssef

et al. 2024

Discov Sustain

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Climate change and its effects on poultry industry and sustainability

Attia,

Aldhalmi,

Youssef

et al. 2024

Discov Sustain

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Exploring Evolutionary Adaptations and Genomic Advancements to Improve Heat Tolerance in Chickens

Nawaz,

Setthaya,

Feng

2024

Animals

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Climate change poses a significant threat to the poultry industry, especially in hot climates that adversely affect chicken growth, development, and productivity through heat stress. This literature review evaluates the evolutionary background of chickens with the specific genetic characteristics that can help chickens to cope with hot conditions. Both natural selection and human interventions have influenced the genetic characteristics of the breeds used in the current poultry production system. The domestication of chickens from the Red junglefowl (Gallus gallus) has resulted in the development of various breeds with distinct genetic differences. Over the past few years, deliberate breeding for desirable traits (such as meat production and egg quality) in chickens has resulted in the emergence of various economically valuable breeds. However, this selective breeding has also caused a decrease in the genetic diversity of chickens, making them more susceptible to environmental stressors like heat stress. Consequently, the chicken breeds currently in use may possess a limited ability to adapt to challenging conditions, such as extreme heat. This review focuses on evaluating potential genes and pathways responsible for heat tolerance, including heat shock response, antioxidant defense systems, immune function, and cellular homeostasis. This article will also discuss the physiological and behavioral responses of chicken varieties that exhibit genetic resistance to heat, such as the naked neck and dwarf traits in different indigenous chickens. This article intends to review the current genomic findings related to heat tolerance in chickens that used methods such as the genome-wide association study (GWAS) and quantitative trait loci (QTL) mapping, offering valuable insights for the sustainability of poultry in the face of global warming.

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Novel insights into heat tolerance: the impact of dwarf and frizzled feather traits on crossbreed chicken performance under thermal stress

Cited by 2 publications

References 35 publications

Climate change and its effects on poultry industry and sustainability

Climate change and its effects on poultry industry and sustainability

Exploring Evolutionary Adaptations and Genomic Advancements to Improve Heat Tolerance in Chickens

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