Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia

Abstract:

The study was conducted to evaluate the Genotype by Environment interaction for growth and egg production performances of Kuroiler, Koekoek, Sasso, and Sasso-RIR exotic chicken breeds and assess chicken husbandry practices under smallholder production system in Gondar Zuria and Kalu districts of Eastern and Northern Amhara. The survey data were collected through questionnaires using180 households and analyzed by SAS software of chi- square test while 184 households and four chicken breeds were also included for on-farm performance evaluation on growth and egg production traits. Data were analyzed by using the Generalized Linear Model (GLM) procedure of SAS 9.1 by fitting the two districts and four breeds as main ef ects and the interactions among them. The results showed that the majority of households (60%) were headed by males. The majority of the respondents (84.5%) had experience of culling chickens from their flock due to poor productivity (41%), old age (8.9%), sickness behavior (17.7%) and low body weight (16.7%). There was highly significant ef ect of breeds and districts on body weight of chickens at all growth periods. Sasso chicken breed was dominant and had the highest body weight compared with the other chicken genotypes from 90 to 180 days of age in both sexes. Breed by district interaction significantly af ects the body weight of chickens in both sexes at all growth periods. Breed by district interaction was significantly (p

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APA

Demewoz, A (2024). Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia. Afribary. Retrieved from https://tracking.afribary.com/works/evaluation-of-genotype-by-environment-interaction-on-production-traits-of-exotic-chicken-breeds-and-assess-husbandry-practices-under-small-holder-production-system-in-two-districts-of-amhara-

MLA 8th

Demewoz, Asmare "Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia" Afribary. Afribary, 12 Apr. 2024, https://tracking.afribary.com/works/evaluation-of-genotype-by-environment-interaction-on-production-traits-of-exotic-chicken-breeds-and-assess-husbandry-practices-under-small-holder-production-system-in-two-districts-of-amhara-. Accessed 24 Aug. 2025.

MLA7

Demewoz, Asmare . "Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia". Afribary, Afribary, 12 Apr. 2024. Web. 24 Aug. 2025. < https://tracking.afribary.com/works/evaluation-of-genotype-by-environment-interaction-on-production-traits-of-exotic-chicken-breeds-and-assess-husbandry-practices-under-small-holder-production-system-in-two-districts-of-amhara- >.

Chicago

Demewoz, Asmare . "Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia" Afribary (2024). Accessed August 24, 2025. https://tracking.afribary.com/works/evaluation-of-genotype-by-environment-interaction-on-production-traits-of-exotic-chicken-breeds-and-assess-husbandry-practices-under-small-holder-production-system-in-two-districts-of-amhara-

Evaluation of Genotype by Environment Interaction for Production Traits of Exotic Chicken Breeds and Assess Husbandry Practices in Two Districts of Amhara Region, Ethiopia

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