Genetic diversity and population structure of cavy (Cavia porcellus L) in three agro ecological zones of Côte d’Ivoire – IJAAR

cavia-porcellusParfait Kouadio Kouakou, Rob Skilton, Djikeng Apollinaire, Fantodji Agathe, Gourene Beatrice, Aoussi Serges Clément

Université Peleforo Gon Coulibaly de Korhogo, Institut de Gestion Agropastorale, Département de zootechnie, 01 bp 1328, Côte d’Ivoire

Biosciences eastern and central Africa laboratory, International Livestock Research Institute Hub, 30709 Naivasha Road,Nairobi, Kenya

Université Nangui Abrogoua, UFR des Sciences de la Nature, Laboratoire de Biologie et Cytologie Animale, 02 bp 801 Abidjan, Côte d’Ivoire

Institut Pasteur de Côte d’Ivoire, unité de microbiologie moléculaire, 01 B. P490 Abidjan 01, Côte d’Ivoire

Key words: Cavy, genetic diversity, microsatellites.

Abstract

To investigate the genetic diversity and population structure of cavies (Cavia porcellus (Linnaeus, 1758) from three agro ecological zones (North, central, and South) of Ivory Coast, 14 microsatellites markers were used. A total of 131 cavies were genotyped. The measure of population diversity for the three populations revealed a mean allele frequency of 6.0, 5.5 and 6.429 (P<0,05) for the north, central and south populations respectively. The observed heterozygosity (Ho) was 0.511 ± 0.66, 0.505 ± 0.55 and 0.567 ± 0.064 (p < 0,05) for the north, central and south populations and in all cases lower than the expected heterozygosity (He) (0.577 ± 0.059 , 0.634 ± 0.051, 0.645 ± 0.052) respectively. cavia-porcellusThis indicates low heterozygosity across the three populations in the whole population., The population specific inbreeding coefficients (FSt) were 0.1695, 0.2768 and 0.2245 (P < 0,01) for the three separate populations and a mean of 0.2257.There were no clear differences in the population structure with only 2.59 % variation among the three populations and 21.99 % variation among individuals within a population. There were high rates of inbreeding in all the three populations (mean 0.2257 (p < 0,01). Therefore the tree population would mix. It is difficult to select non-related animals and thus control inbreeding in the target populations or selection for particular traits of interest.

ijaar-v6no3-p27-35Get the original articles in Source: Volume 6, Number 3, March 2015 – IJAAR

Journal Name: International Journal of Agronomy and Agricultural Research (IJAAR)

Published By: International Network for Natural Sciences

Related Post: Effects of corm size and plant density on Saffron (Crocus sativus L.) yield and its components – IJAAR

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