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    Fertility in hair sheep inseminated with freeze spermatozoa rediluited with seminal plasma

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    El objetivo del presente estudio fue determinar la viabilidad esperm谩tica del semen congelado rediluido con plasma seminal a trav茅s de la fertilidad de 146 ovejas de pelo, inseminadas v铆a cervical e intrauterina. La fertilidad se midi贸 en dos tiempos; retorno a celo a los 17 d铆as postinseminaci贸n y diagn贸stico de gestaci贸n por ultrasonograf铆a a los 45 d铆as postinseminaci贸n. Los datos de fertilidad se analizaron mediante el test de Ji-cuadrado. Los resultados obtenidos muestran que la adici贸n del plasma seminal en el semen fresco no mejora la fertilidad (P>0.05) obtenida v铆a cervical e intrauterina, por el contrario, el semen congelado rediluido con plasma seminal, tanto en su aplicaci贸n cervical como intrauterina, mejora (P<0.01) los 铆ndices de fertilidad en un 41 vs 20% y un 50 vs 16%, respectivamente, a los 17 d铆as postinseminaci贸n, resultados que persisten a los 45 d铆as de gestaci贸n. Estos resultados permiten concluir que la rediluci贸n del semen congelado con plasma seminal proporciona una mayor recuperaci贸n de los espermatozoides da帽ados por choque fr铆o, lo cual se ve reflejado en un mayor porcentaje de fertilidad.73 - 76BimestralThe objective of this study was to determine the spermatozoa viability of the frozen semen rediluted with seminal plasma through the fertility of 146 hair sheep inseminated cervical and intrauterine way. The fertility was measured in two times; return to estrus to the 17 days postinsemination and pregnancy diagnostic by ultrasound to the 45 days postinsemination. The data of fertility were analyzed by means of the Chi-square test. The obtained results showed that the addition of the seminal plasma in semen fresh does not improve the fertility (P> 0.05) obtained cervical and intrauterine way, on the contrary, the semen frozen rediluted with seminal plasma, so much in its cervical application as intrauterine, improvement (P< 0.01) the fertility in a 41% and 50%, respectively, to the 17 days postinsemination, results that persist to the 45 days of gestation. The results permit to conclude that the rediluted of the frozen semen with seminal plasma provides a greater recovery of the spermatozoa damaged by cold shock, which it is reflected in a greater percentage of fertility
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