<![CDATA[This study aims to determine the best dose of basil leaf extract to add to AndroMed® semen extender to improve spermatozoa quality after freezing and thawing. This study used healthy, normal four-year-old Simmental bulls with good libido. The sample used was fresh semen from Simmental bull collected using an artificial vagina. This study used a completely randomized design (CRD) with three treatments and six replicates. Ejaculate that met the motility qualification of more than 70%, was divided into three groups, each extended in AndroMed® without the addition of basil leaf extract (T0), with the addition of 0.1% basil leaf extract (T1) and with the addition of 0.3% basil leaf extract (T2). Straw containing semen with 30 million spermatozoa/straw was processed using an IceCube automatic freezer (Minitube, Germany). The results showed that spermatozoa motility, viability, and spermatozoa plasma membrane integrity in the T2 group were higher (p <0.05) than those in the T0 and T1 groups, while spermatozoa morphological abnormalities in the T2 group were lower (p <0.05) than those in the T0 and T1 groups. There were no significant differences (p >0.05) in these parameters between groups T0 and T1. It could be concluded that the addition of 0.3% basil leaf extract to the AndroMed® extender could improve the quality of the semen of Simmental bulls after thawing.]]>
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