Abstract

Four polymorphic proteins (transferrin, serum arylesterase, hemoglobin and a red-blood-cell lysate protein) were used as genetic markers in a sheep parentage test. It was found that errors in parentage records occurred in a minimum (9.2%) of the progeny. The efficacy of protein genetic markers in solving questionable parentage cases was estimated to be 67.2%. Among all cases, 58.3% were solved on the basis of genetic incompatibility involving transferrin alone. The results of this study demonstrate that the occurrence of errors in pedigrees can be identified by the use of protein polymorphic characters as genetic markers.

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