Abstract            Volume:11  Issue-4  Year-2023         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

Heat stress-induced reduction in feed intake in an annoyance of the poultry industry. High environmental temperature is a serious stress affecting economic and biological efficiency of poultry production in tropical and subtropical regions countries that are expected to become more prominent with global climate change. Iowa experienced 3 acute heat waves of 11, 3, and 4 d of heat index above 38â—¦C in the summer of 2012, which led to production losses and increased bird mortality. An effective tool for improving heat tolerance can be genomic selection based on single nucleotide polymorphisms. In the past few years, new molecular tools have been developed, such as RNA-Seq, Single Nucleotide Polymorphisms (SNPs), and bioinformatics approaches such as Genome-Wide Association Study (GWAS). Based on these genetic tools, many studies have detected the main pathways involved in cellular response mechanisms. This study aims to identify genomic regions controlling survival against heat stress. Genetic studies conducted on experimental lines can therefore be of potential interest for marker-assisted selection in commercial lines.

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