Effect of seasonality on the seminal quality of Quarter horses
Keywords:
time of year, stallions, seminal qualityAbstract
The objective was to evaluate the influence of the seasons of the year on the seminal quality of Quarter Horses. 12 stallions aged 9 to 12 years were used, a Colorado artificial vagina was used for semen collection, motility, concentration and volume were immediately evaluated, it was considered as spring (March 20-June 21); summer (June 22-September 23); autumn (September 24-December 21) and winter (December 22-March 19). The parameters showed no significant difference in volume (P>0.05) between stations. However, there was a difference between the months of May (81.1±15.2) vs February (46.6±2.8), in sperm motility it was higher (P<0.05) in summer (85.6±2.6) vs winter (71.5±19.0), the sperm concentration 10x6 was significantly higher (P<0.05) in summer (269.8±51.4) vs winter (207.9±80.4). These results us to conclude that the season of the year has an influence on semen quality. Therefore, when implementing reproductive biotechnologies in the north of México, we can use the equine semen of Quarter Mile stallions, preferably obtained at the time with the highest production and seminal quality.
http://dx.doi.org/10.21929/abavet2023.21
e2022-48
https://www.youtube.com/watch?v=yDnUvD3MqeQ
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