| Summary: | The objectives of this study were to determine the gene frequency and individual heterozygosity of transferrin in four local breeds of goat in Central Java-Indonesia. The number of blood samples were taken from 96 heads of goat, in which each of breeds were 24 samples, those were Kejobong (Purbalingga regency), Ettawa Grade (Purworejo regency), Kacang (Grobogan regency) and Jawarandu (Pemalang regency). Polyacrilamide Gel Electrophoresis was performed to detect the bands of blood plasm protein. Gen frequency was calculated using general formula of population genetics. Estimated heterozygosity and individual heterosizygosity were calculated to analysis the equilibrium condition of transferrin. Result showed there was two allele of transferrin, namely TfA and TfB. Gene frequency of TfA was higher than that of TfB. Transferrin gene and genotypes were in disequilibrium of Hardy-Weinberg Law.
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