Abstract
A study was conducted to determine the variations in physical characters and immunocompetence among scavenging local chicken ecotypes in Tanzania. Eighty-four adult scavenging local chickens from four eco-climatic regions of Tanzania were studied. Measurements of adult body weight, body length, shank length and egg weight and observations of plumage colour and pattern, earlobe colour, skin colour and the shape of the comb were conducted. The antibody response to sheep red blood cells, serum haemolytic complement and the cutaneous response to phytohaemagglutinin-P were assessed. Five ecotypes were identified and named Mbeya, Morogoro-medium, Ching'wekwe, Kuchi and Singamagazi. Singamagazi and Kuchi were significantly heavier, with longer shanks and heavier eggs than the other ecotypes. The average adult body weight for males ranged from 1621 g (Mbeya) to 2915 g (Singamagazi). Average female weights ranged from 1108 g (Morogoro-medium) to 2020 g (Singamagazi). Mean egg weights ranged from 37.65 g (Ching'wekwe) to 45.61 (Singamagazi). The Kuchi had mostly rose and walnut combs, while the other ecotypes were mostly single combed. In each ecotype there were chickens with a high or low antibody response to red blood cells, but there was a significant difference between the ecotypes.
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REFERENCES
Bumstead, N. and Barrow, P.A., 1993. Resistance to Salmonella gallinarum, S. pullorum and S. enteritidis in inbred lines of chicken. Avian Diseases, 37, 189-193
Cheng, S. and Lamont, S.J., 1988. Genetical analysis of immunocompetence measures in a white leghorn chicken line. Poultry Science, 67, 989-995
Chrysostome, C.A.A.M., Bell, J.G., Demey, F. and Verhulst, A., 1995. Seroprevalencies to three diseases in village chickens in Benin. Preventive Veterinary Medicine, 22, 257-261
Corrier, D.E. and De Loach, J.R., 1990. Evaluation of cell-mediated, cutaneous basophil hypersensitivity in young chickens by an interdigital skin test. Poultry Science, 69, 403-408
Demey, F., Pandey, V.S., Baelmans, R., Agbede, G. and Verhulst, A., 1993. The effect of storage at low temperature on the haemolytic complement activity of chicken serum. Veterinary Research Communications, 17, 37-40
French, M.A., 1942. The productivity of native poultry. East African Agricultural Journal, 7, 175
Gross, W.B., Siegel, P.B., Hall, R.W., Domermuth, C.H. and Dubose, R.T., 1980. Production and persistence of antibodies in chickens. 2. Resistance to infectious diseases. Poultry Science, 59, 205-210
Guèye, E.F., 1998. Village egg and fowl meat production in Africa. World's Poultry Science Journal, 54, 73-86
Gwakisa, P.S., Katule, A.M. and Rugaimukamu, E.A., 1994. Divergent immune responses to Newcastle disease virus vaccination of rural chickens in Tanzania. Tanzania Veterinary Journal, 43, 171-176
Jull, M.A., 1951. Poultry Husbandry, 3rd edn, (McGraw-Hill, London)
Kabatange, M.A. and Katule, A.M., 1989. Rural poultry production systems in Tanzania. In: E.B. Sonaiya (ed.), Proceedings of an International Workshop on Rural Poultry in Africa, Obafeni Awolowo University Ile-Ife, Nigeria, 171-176
Katule, A.M., 1988. Crossbreeding as a tool for genetic improvement of chickens in less optimum environments. In: Proceedings of the 15th Scientific Conference of the Tanzania Society of Animal Production, Arusha International Conference Centre, 86-111
Katule, A.M., 1990. Studies on the prospects of improving the performance of the local chicken population in Tanzania by cross breeding, (PhD thesis, Sokoine University of Agriculture)
Melewas, J.N., 1989. The contribution of poultry industry to the national economy. In: Proceedings of the 7th Tanzania Veterinary Association Scientific Conference, Arusha International Conference Centre, TVA 7, 13-35
Minga, U.M., Katule, A.M., Maeda, T. and Musasa, J., 1989. Potential of the traditional chicken industry in Tanzania. In: Proceedings of the 7th Tanzania Veterinary Association Scientific Conference, Arusha International Conference Centre, TVA 7, 207-215
MOA, 1995. National Sample Census of Agriculture 1994/1995; Tanzania Mainland Report, Volume II, (Ministry of Agriculture)
Oluyemi, J.A. and Roberts, F.A., 1979. In: J.A. Oluyemi and F.A. Roberts (eds), Poultry Production in Warm and Wet Climates, (MacMillan, London)
Prescot, C.A., Wilkie, B.N., Hunter, B. and Julian, R.J., 1982. Influence of purified grade of pentachlorophenol on immune response in chickens. American Journal of Veterinary Research, 43, 481-487
Siegel, P.B. and Gross, W.B., 1980. Production and persistence of antibodies in chickens to sheep erythrocytes 1. Directional selection. Poultry Science, 57, 1-5
Sonaiya, E.B., 1990. The context and prospects for development of smallholder rural poultry production in Africa. In: U. Riest (ed.), CTA-Seminar Proceedings, Smallholder Rural Poultry Production-Requirement of Research and Development, Thessalonika, 1, 35-52
Spradbrow, P.B., 1997. Policy framework for smallholder rural poultry development. In: E.B. Sonaiya (ed.), Sustainable Rural Poultry Production in Africa. Proceedings of an International Workshop held at the International Livestock Research Institute, Addis Ababa, Ethiopia, 30-39
Trail, J.C.M., 1963. The indigenous poultry. 2. Egg production. Empire Journal of Experimental Agriculture, 31, 323-326
Wray, C., Davies, R.H. and Corkish, J.D., 1996. Enterobacteriaceae. In: F.T.W. Jordan and M. Pattison (eds), Poultry Diseases, 4th edn, (W.B. Saunders, London)
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Msoffe, P., Minga, U., Olsen, J. et al. Phenotypes Including Immunocompetence in Scavenging Local Chicken Ecotypes in Tanzania. Tropical Animal Health and Production 33, 341–354 (2001). https://doi.org/10.1023/A:1010544221028
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DOI: https://doi.org/10.1023/A:1010544221028