![##common.pageHeaderLogo.altText##](https://revistas.up.ac.pa/public/journals/1/pageHeaderLogoImage_es_ES.png)
This study proposes the establishment of a sperm quality index as a useful tool in determining suitable for breeding cattle, from the analysis of the following characteristics: pH, concentration, percentage of progressive movement, percentage of live cells and percentage of pathological cells present in the ejaculate of 31 crossbred bulls (Bos taurus and Bos indicus), located in nine dual-purpose farms in Panama.