Estudio citogenético y anatomopatológico del síndrome freemartin en bovinos (bostaurus)

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MIGUEL ÁNGEL AYALA VALDOVINOS
DANIELA F. VILLA GÓMEZ
SERGIO LUIS SCHWEMINSKI BENÍTEZ

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.
Keywords:
FREEMARTIN CATTLE CITOGENETIC ANALYSIS
DOI: https://doi.org/10.22201/fmvz.24486760e.2000.4.25

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