Genetic Diversity in Three Nigerian Goat Breeds in Taraba State
Abstract
The study was carried out to evaluate the inter-relationships among morphometric traits of goats in Taraba state and to differentiate Taraba goat populations based on their morphometric traits by applying multivariate analysis. A total of 485 adult indigenous breeds of goats of mixed sexes were assessed. Three breeds of goats namely; Red Sokoto, Sahel and West African Dwarf goats were assessed for morphometric trait. Discriminant analysis was applied to identify the combination of variables that differentiate the goats. The four most discriminating variables (Height at wither, Heart girth, fore leg length, hind leg length) that divide West African Dwarf, Red Sokoto and Sahel goat into their genetic groups were chosen through four steps, according to the discriminant analysis based on significant F-values. The genetic distance between Red Sokoto and Sahel was 0.674, between Red Sokoto and West African Dwarf Goat was 0.934, and distance between Sahel and West African Dwarf is 2.239, The three breed combined classification results. 64% of the Red Sokoto goats were categorized properly. While 67% of Sahel goats were accurately placed into the genotype group and 90% of West African Dwarf goats were correctly classified.
Keywords
Discriminant AnalysisMorphometric TraitsBreedsmultivariate AnalysisMahalanobis Distance
References
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