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- Influence of Steroidal Anti-Inflammatory Drugs on Viability and Fertility of Equine Semen
- Universidade Estadual Paulista (UNESP)
- Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
- Considering the efficiency of steroidal anti-inflammatory drugs (SAIDs) in the immunomodulation of breeding-induced endometritis and the possibility of using these drugs by intrauterine route instead of the parenteral application, the present study aimed at evaluating the effect of SAIDs added to the semen extender on equine sperm viability and fertility. In experiment 1,15 SAIDs were individually added to a skim milk-based extender and, based on the results of sperm motility, dexamethasone was the drug of choice for the subsequent trials. The effect of dexamethasone on the viability of fresh and 24-hour cooled semen was investigated in experiment 2. In experiment 3, fertility rate was measured in both post-breeding endometritis-resistant and susceptible mares. Although dexamethasone supplementation caused a premature decrease in sperm total and progressive motility and in sperm velocities (P < .05), no difference was observed for sperm membrane integrities and fertility (P > .05). Based on these results, we can conclude that dexamethasone can be added to equine semen at the time of insemination or before cooling, although its use was not able to increase fertility. (C) 2012 Elsevier B.V. All rights reserved.
- Journal of Equine Veterinary Science. New York: Elsevier B.V., v. 32, n. 12, p. 771-775, 2012.
- Elsevier B.V.
- Embryo recovery
- Acesso restrito
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