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Reprod Domest Anim. 2009 Jul;44 Suppl 2:211-3. doi: 10.1111/j.1439-0531.2009.01445.x.

Thyroid function and infertility in the dog: a survey in five breeds.

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1
Reproduction Animale, Alfort Veterinary College, Paris, France. vsegalini@hotmail.fr

Abstract

In our study, a clinical and reproductive examination was undertaken in 204 dogs of five different breeds. Thyroxine and thyroid-stimulating hormone plasma concentrations were assayed in order to assess the real incidence of hypothyroidism associated with reproductive disease. Among these animals, only two breeds were affected by hypothyroidism (4.5% of the Dogue de Bordeaux and 2.4% of the Leonbergers). Moreover, these animals did not suffer from any reproductive disease. Our study showed also that 70% of the male Dogue de Bordeaux were hypothyroxinemic compared with Great Danes, English Mastiff and Leonbergers whose male population was 100% normothyroidic. We found the same tendency in bitches. In our data, there was no difference in thyroxin plasma concentrations between normo- and hypofertile dogs, but our results were not statistically significant.

[Indexed for MEDLINE]

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