The study was conducted to evaluate the on-farm growth and egg production performance of 3 tropically adapted chicken breeds in western Amhara region of Ethiopia. Kuroiler, Sasso and Sasso-R were tested under the on-farm condition for 45 wk. In total 216 were included in the on-farm test. Breed by location interaction affects the body weight and daily weight gain, egg production, hen-day egg production percentage, and egg weight. Kuroiler exhibited higher body weight as Sasso in the mid-altitude than other breed by location interactions. Kuroiler at south Achefer (mid altitude) had the better daily gain than the other breed by location interactions. Sasso (111.8 ± 3.9 eggs) and Kuroiler (112.22 ± 3.53) in south Achefer (mid-land) and Kuroiler in Banija (high-land) produced significantly higher egg production up to 45 wk than the other strain by location interactions. In all locations slightly higher survivability up to 44 wk was observed for...

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