Konkan Kanyal goats are medium-sized animals reared for meat purpose. They are predominantly black in colour with white markings in a specific pattern and are found in the Kudal, Sawantwadi, Dodamarg, Malvan and Vengurle Talukas of Sindhudurg district of Konkan region of Maharashtra state. The mean body weight ranges from 30 kg in adult females to 35 kg in males. The age at first kidding, kidding interval and twinning of these goats is 546 days, 240 days and 35 percent respectively. The average daily milk yield and lactation yield were found to be 0.6 and 69 kg, respectively. Characterization of Konkan Kanyal goats was carried out using a panel of 25 microsatellite markers. The genomic DNA of 50 unrelated goats was isolated and PCR amplified under standardized PCR conditions. The amplified DNA was used for genotyping by the automated DNA Sequencer ABI 3730. The analysis of data revealed that the effective number of alleles ranged from 1.17 to 8.94 and the number of observed alleles ranged from 5 to 19. A total of 255 alleles were observed with a mean of 10.2 alleles/locus. The observed heterozygosity ranged from 0.13 to 0.95, while the expected heterozygosity ranged from 0.14 to 0.89, indicating the heterogeneous nature of the population distributed in the breeding tract. The mean polymorphism content was 0.79. The qualitative graphical method based on the allele frequency spectra detected no shift in the frequency distribution of alleles and a normal L-shaped curve was observed where the alleles with the lowest frequencies were found to be most abundant. Based on the phenotypic and genetic variability, Konkan Kanyal goats appear to be distinct from other goats of Maharashtra state. RésuméLes chèvres Konkan Kanyal, de taille moyenne, sont élevées pour leur viande. Elles sont principalement de couleur noire avec des taches blanches ayant un motif caractéristique et vivent dans les unités administratives de Kudal, Sawantwadi, Dodamarg, Malvan et Vengurle du district de Sindhudurg sur la côte de Konkan dans l'État du Maharashtra. La moyenne de leur poids corporel varie entre 29,80 kg pour les femelles adultes et 35,26 kg pour les mâles. L'âge au premier agnelage et l'intervalle entre les agnelages sont respectivement de 546 jours et de 240 jours. Trente-cinq pour cent des naissances de ces chèvres sont gémellaires. On a constaté que le rendement moyen de lait par jour et la quantité de lait donnée au cours d'une lactation sont respectivement de 0,6 kg et de 69 kg. La caractérisation des chèvres Konkan Kanyal a été réalisée en utilisant un panel de vingt-cinq marqueurs microsatellites. L'ADN génomique de 50 chèvres sans liens de parenté a été isolé et amplifié selon des méthodes PCR standardisées. L'ADN amplifié a été utilisé pour le génotypage par le biais du séquenceur automatisé d'ADN ABI 3730. L'analyse des données a indiqué que le nombre réel d'allèles varie entre 1,17 et 8,94 et le nombre d'allèles observés entre 5 et 19. On a constaté au total 255allèles avec une moyenne de 10,2 allèles par locus. L'hétérozygo...
Authors' Contribution JYB conceived and designed the study and conducted the lab work. RTDW and QZ analyzed the data and wrote the article. DB and LMD helped in sampling. XHT helped in analysis of data.
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