AGE BASED CLASSIFICATION OF MORPHOMETRIC TRAITS OF DIFFERENT NIGERIA GOAT BREEDS

A. J. Shoyombo, O. O. Alabi, J. Izebere, A. A. Musa, G. N. Akpa, H. Yakubu

Abstract


A total of nine hundred (900) goats comprising of three hundred Sahel goats from Borno state, three hundred Red Sokoto goats from Sokoto state and three hundred West African Dwarf goats from Ogun state were used for the study. Each breed consist of three hundred goats each, made up of fifty males and fifty females distributed in the following age groups <1, 1-2 and 2-3 years. These were evaluated for morphometric characteristics. The pairs of permanent incisors in the dentition of the goat were used to determine age. The effects of age, breed, and sex on linear measurement were estimated using the GLM procedure of the statistics analysis software package. These were computed on the basis of interaction with age groups. Means were separated within age groups using Duncan multiple range test. The result of this study indicated that the Sahelian breed was superior to other breeds across all age groups in body weight, while the red Sokoto was intermediate followed by the West African Dwarf. However, variations in morphometric measurements did not follow this trend and indicates that body parts are influenced differently by age, breed and sex. The variability of body weight suggests possibility of improving this trait through careful selection. Present results showed that age has strong influence, as there were consistent increases in all the traits studied as the animals aged. The scenario is however not surprising since the size and shape of the animal is expected to increase as the animal is growing with age.

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References


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Mamabolo, M.J. and Webb, E.C. (2005). Goat production Survey – Fundamental Aspects to Model Goat Production Systems in Southern Africa.Case Study of Agricultural Commission 2005.

Mohammad, M.T., M. Rafeeq, M.A. Bajwa, M.A. Awan, F. Abbas, A. Waheed, F.A. Bukhari and P. Akhta. 2012. Prediction of body weight from body measurements using regression tree (RT) method for indigenous sheep breeds in Balochistan. Pakistan. J. Anim. Plant Sci., 22(1): 20-24.

Ojedapo, L.O., Adedeji, T.A., Olayeni, T.B. Adedeji, O.S., Abdullah, A.R., Ojebiyi, O.O., (2007). Influence of age and sex on body weight and some body linear measurements of extensively reared wad goats in derived savannah zone of Nigeria. Journal of Animal Veterinar Advances. 6(1), 114- 117.

Osuhor, C.U., J.P. Alawa and G.N. Akpa, 2002. Manure production by goats grazing native pasture in Nigeria. Trop. Grassland, 36: 123-125.

Table 1: Least squares means (X), standard deviation (SD), and coefficient of Variation (CV) of

Akpa, G.N., Duru, S. and Amos, I.T. (1998). Influence of strain and Sex on estimation of within age-group body weight of Nigerian Maradi goats from hair linear body measurements. Tropical Agriculture (Trinidad) 74:462-467.

Banerjee, A.K., Animat, G., and Ermias, E. (2000).Selection and Breeding Strategies for increased production of goats in Ethiopia. In: Merkel, R.G., and Goetsch, A.L, (ed). The opportunities and challenges of enhancing goat production in east Africa, PP. 70 – 79. Debub University, Awassa, Ethiopia 10 – 12 November 2000.

Bunge, R., Thomas, D.L., and Stookey, J.M. (1990) Factors Affecting the Productivity of Ram bottle ewes mated to ram Lambs. J. Anim. Sci. (68). 2253 – 2262.

Dettmers, A. (1983). Performance of Hair Sheep in Nigerian. In Fitzhugh, H. E. and Bradford, G.E. (eds). Hair Sheep of West Africa and the Americas. Boulder, Col., West View Press pp. 201 – 218.

Devendra, C., and Burns, M. (1983).Goat |Production in the Tropics. 2nd ed. Farham Royal, Commonwealth Agricultural Bureau, pp. 1 – 60.

Hall, S.J.G. (1991). Body Dimensions of Nigerian Cattle, Sheep and Goats. Anim. Prod. 53:61-69

Hassan, A. and A. Ciroma. 1990. Bodyweight measurements relationship in Nigerian Red Sokoto goats. Department of Animal Science, Usmanu Danfodiyo University, Sokoto, Nigeria http://www.fao.org/wairdo- cs/ilri/x5 520b/x5520b1d.htm.

Katongole J B D, Sebolai B and Madimabe M J 1996 Morphological characteristics of the Tswana goat. In S H B Lebbie and E Kagwini (eds). Proceedings of the Third Biennial Conference on the African Small Ruminant Research Network UICC, Kampala, Uganda –9 December 1994:43-47.

Mamabolo, M.J. and Webb, E.C. (2005).Goat production Survey – Fundamental Aspects to Model Goat Production Systems in Southern Africa. Case Study of Agricultural Commission 2005.

Mohammad, M.T., M. Rafeeq, M.A. Bajwa, M.A. Awan, F. Abbas, A. Waheed, F.A. Bukhari and P. Akhta. 2012. Prediction of body weight from body measurements using regression tree (RT) method for indigenous sheep breeds in Balochistan. Pakistan. J. Anim. Plant Sci., 22(1): 20-24.

Ojedapo, L.O., Adedeji, T.A., Olayeni, T.B. Adedeji, O.S., Abdullah, A.R., Ojebiyi, O.O., (2007). Influence of age and sex on body weight and some body linear measurements of extensively reared wad goats in derived savannah zone of Nigeria. Journal of Animal Veterinar Advances. 6(1), 114- 117.

Osuhor, C.U., J.P. Alawa and G.N. Akpa, 2002. Manure production by goats grazing native pasture in Nigeria. Trop. Grassland, 36: 123-125.


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