Phenotypic and morphological characterization of indigenous chicken poppulations in southern region of Ethiopia

• Autores: Aberra Melesse, Tegene Negesse
• Localización: Animal Genetic Resources Information = Bulletin de information sur les ressources génétiques animales = Boletín de información sobre recursos genéticos animales, ISSN 1014-2339, Nº. 49, 2011, págs. 19-31
• Idioma: inglés
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• Resumen

  • Phenotypic characterization of indigenous chicken resources is a prerequisite for their rational utilization. Data were collected from 748 randomly selected households (HHs) using structured questionnaires. Visual appraisal was conducted to study morphological traits of indigenous chicken populations. Quantitative data were collected on body weight and shank length from both sexes. The results indicated that 55.0 percent of chicken populations were single combed followed by rose (28.5 percent) and pea (15.2 percent) combs.

    Yellow was the major shank colour (52.5 percent), followed by white (29.1 percent) and black (14.7 percent). About 46.4, 34.2 and 19.4 percent of chicken populations exhibited red, white and yellow earlobes, respectively. The predominant plumage colour was Kei (36.6 percent) followed by Tikur (20.7 percent), Gebsima (15.3 percent), Netch (12.3 percent), Kokima (8.4 percent), Wosera (3.7 percent), Zigrima (1.7 percent) and Zagolima (1.3 percent). The highest adult body weight was found in Naked-neck chickens (1.7 kg), followed by Kei (1.5 kg), Gebsima (1.45 kg) and Wosera (1.46 kg). The Naked-neck and Wosera males had the longest shank of 115 and 113 mm, respectively. Kei male chickens had large body weight shank length ratio compared with other indigenous chickens. The present study suggests that indigenous chicken populations might possess useful genetic potentials for improved productivity under scavenging feed resource-based production systems.