Agus Bahar Rachman
- Peternakan
Kacang goat is a small ruminant native from Indonesia and spread widely in several Southeast Asian countries, and has become part of the world’s biodiversity. Growth Hormone (GH) in goat is a protein secreted from anterior hipophyse by somatrotop cells and its formation process under the control of GH gene. Its main function is to stimulate the growth of bone, muscle and fat metabolism. The purpose of this study is to identify the GH gene polymorphism in Kacang goat with Polymerase Chain Reaction­Restriction Fragment Length Polymorphism (PCR­RFLP) methods. A total of 168 blood samples from Kacang goat in two regions of Indonesia (Gorontalo and South Sulawesi province) were extracted by using DNA extraction kit to collect whole DNA genome. Amplification and genotyping of GH gene was performed using PCRRFLP using the HaeIII restriction enzyme. The results obtained two kinds of genotypes, with the AA genotype frequencies (0.095) and AB (0.904). The frequency of allele A (0.547) and B (0.452) indicate a polymorphism in the GH A781G locus in Kacang goat. The observed (Ho) and expected (He) heterozygosity value were respectively 0.0904 and 0.496. GH alleles distribution in Kacang goat populations were not in Hardy­Weinberg equilibrium. Based on statistical analysis, there is no difference between body size of genotype AA and AB. The results of this study can be used as initial information in formulating a strategy for Kacang goat breeding by utilizing Marker Assisted Selection (MAS).
Livestock Research for Rural Development, Volume 28, Number 9, September 2016
Fahrul Ilham, Safriyanto Dako, Agus Bahar Rachman, Muhammad Ihsan Andi Dagong, Lellah Rahim, Yulianty
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