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2000, Number 4

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Vet Mex 2000; 31 (4)

Cytogenetic and anatomopathological studies of the freemartin syndrome in cattle (Bos taurus)

Ayala VMA, Villagómez DAF, Schweminski BSL

Language: English/Spanish
References: 34
Page: 313-320
PDF size: 216.52 Kb.


ABSTRACT

Based on cytogenetic analysis, five individuals from a total of 10 animals (Bos taurus), which had the antecedent of coming from heterosexual multiple parturitions, were diagnosed as freemartin. Additionally, two of these individuals were anatomopathologically studied. The presence of the chromosome chimerism (60,XX/60,XY) characterized the studied animals. Exceptionally, a freemartin individual showed only 60,XY cells. Anatomopathological findings of two freemartin studied at slaugther showed masculinization of the reproductive tract with presence of testicular tissue in the gonads.


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