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Phenotypic Variation in Village and Wild Pigs in Sri Lanka

Authors:

E Subalini,

Postgraduate Institute of Agriculture University of Peradeniya, LK
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GLLP Silva ,

Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, LK
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CMB Dematawewa

Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, LK
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Abstract

A study was carried out to evaluate and compare phenotypic characteristics of the two native pig populations in Sri Lanka as a part of a comprehensive study on characterization of native pigs, in order to assess the contribution of native populations in animal production. A total of 60 animals were randomly selected for phenotypic measurements of village pigs from Kalutara, Puttalam, Kurunegala and Chilaw, and the similar number of wild pigs was selected from Batticaloa, Polonaruwa, Anuradhapura, Kurunegala and Kandy areas according to their availability. Morphological characters were assessed to identify the phenotypic variation between village and wild pigs. The body shape, coat colour and presence of skin pigmentation of wild pigs differ from those characteristics observed in village pigs. Wild pigs predominantly showed an angular body shape and light brown coat colour without skin pigmentation. Both wild and village pigs showed similarities with respect to the length of hair, shape of the head and the size of the ear. The study further revealed that the village pigs were significantly different (P<0.05) from wild pigs in their body weight, girth, height at withers and tail length while the body length and head dimensions of the two groups were not significantly different (P<0.05). Female wild pigs were significantly different (P<0.05) from female village pigs with respect to the body weight, girth size, body length and tail length. The mean number of teats that the female village pig and female wild pig possessed was 6.71±0.46 and 5.40±0.51, respectively. The results of this study revealed that the wild pigs exhibit similarities to village pigs for most of the qualitative traits and some quantitative traits, indicating that the village pig population in Sri Lanka has a close relationship with wild pig population. However, some animals in wild pig population showed different morphometry from that of village pig confirming that the wild pigs possess some specific characteristics as they are a unique population.

Key words: Phenotypic variation; village pigs; wild pigs.  

DOI: http://dx.doi.org/10.4038/tar.v22i3.3705  

Tropical Agricultural Research 22(3) (2011) 324-329

How to Cite: Subalini, E., Silva, G. & Dematawewa, C., (2011). Phenotypic Variation in Village and Wild Pigs in Sri Lanka. Tropical Agricultural Research. 22(3), pp.324–329. DOI: http://doi.org/10.4038/tar.v22i3.3705
Published on 17 Oct 2011.
Peer Reviewed

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