Serum Transferrins of Twin Sheep-Goat Hybrids

Abstract

Recently there has been renewed interest in the question of hybridization between sheep and goats. Bratanov and Dikov (1960, 1961) have claimed that live and fully viable hybrids· can be produced. Szumowski and TMret (1965) have summarized the results of their own and three other investigations on one particular individual suspected of being a hybrid; on .the basis of its morphological and serological characteristics they considered it to be a true hybrid. Bowerman and Hancock (1963) and Alexander and Williams (unpublished data) have obtained hybrid foetuses with the intermediate chromosome number of 57 (sheep 54, goat 60) but found that the foetuses invariably died, usually at about the 60th day of pregnancy. The purpose of this report is to describe the transferrin types of twin hybrid foetuses obtained by Caesarian section at 61 days. The material was obtained during the course of hybridization experiments of Alexander and Williams.