Growth patterns and heat tolerance analysis of dwarf chicken with frizzled feather.

ABSTRACT: Chickens are covered with feathers, lack sweat glands, and are sensitive to the thermal environment. Previously, our group bred a novel dwarf chicken strain with frizzled feather, named as dwarf chicken with frizzled feather (DFC). The cumulative growth of the chicken body weight and size were analyzed with 3 mathematical models. Subsequently, chickens were grouped to investigate the impact of heat stress (HS) on their slaughter performance, histomorphological development and gene mRNA change (HSP70, muscle development and appetite-related factors) using quantitative real-time PCR, tissue sections and Western Blot. In the HS group, chickens were placed at 34 ± 1°C for 8 hours (9:00 am - 17:00 pm) a day and lasted for 2 weeks, while in the control group, chickens were fed at 26 ± 1°C. Chick

SUBMITTER: Li G 

PROVIDER: S-EPMC11950773 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature