Identificación anatómica, citogenética y molecular de un caso de síndrome de Freemartin
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Date
2005
Journal Title
Journal ISSN
Volume Title
Publisher
Corporación Universitaria Lasallista
Abstract
Introduction: Freemartin syndrome is one of the different
reproductive malformations that can come up
in the cattle growing, and it produces consequences
like a diminishing of the reproductive efficiency and
economical loses due to that fact. This malformation
is a kind of infertility that mainly affects cows
which are born from heterosexual twin births, characterized
by an underdevelopment of the reproductive
tract. Objective: To establish the possible diagnosis
for the Freemartin syndrome in a cow born in
a heterosexual twin birth. Materials and methods:
The diagnosis was made from an anatomical evaluation
of the cow and the carioypical and DNA sequence
analysis related to sexual determination.
Results: The cow suffered from abnormalities of the
reproductive apparatus which classified her as having
the Freemartin syndrome, and she also showed
cellular extensions with chromosomal quimerism
(60,XX/60,XY) and amplified specific regions for the
Y chromosome. Conclusion: The tree methods used
confirmed the diagnosis of the cow as having
Freemartin syndrome.
Description
Keywords
Intersexo, Síndrome de freemartin, Corporación Universitaria Lasallista, Quimerismo cromosómico, Ganado vacuno, Ganado vacuno - Enfermedades