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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

OYEYEMI, M. O; OLUKOLE, S. G; TAIWO, Bolanle  y  ADENIJI, Deborah A. Sperm Motility and Viability in West African Dwarf Rams Treated with Euphorbia hirta. Int. J. Morphol. [online]. 2009, vol.27, n.2, pp.459-462. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022009000200024.

Four adult sexually matured and clinically healthy West African Dwarf (WAD) rams aged between 24 and 30 months were used for the study. The rams were first used as control and later as experimental animals upon being orally dosed with Euphorbia hirta extract at 400mg/kg body weight for 14 days. Semen samples were collected from the rams a day after the administration of the plant extra and seven days after. The objective of the study was to investigate the effect of Euphorbia hirta on the semen picture of WAD rams. There were significantly differences (P <0.05) in the semen picture as reflected in a reduction of sperm motility from 80% to 47.5% and live-dead ratio from 90.75% to 32.5% in the control and post-experimental stages of the study respectively. This indicates that the fertilization capacity and livability of spermatozoa were negatively affected. There were no significant differences in the values of body parameters measured across the stages of the study. The plant is therefore not recommended for medicinal purpose in male animals.

Palabras clave : Sperm motility; Ram; Viability; Euphorbia hirta.

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