Abstract
This study aimed to determine the effect of different laserpuncture doses on the gonadal maturity of female striped catfish. The fish 800 to 1000 g with I gonad maturity were used. This study was used a red diode soft-laser with doses of 0.2, 0.4, 0.6, and 0.8 Joule. The positive control was injected chorionic gonadotropin hormone (CGH) and ovaprim™ intramuscular and the negative control was not used any treatment. Red diode soft-laser was shooted at the reproductive point every week for three weeks, while the CGH and ovaprim™ were injected in the final week. Gonad maturity level and gonadosomatic index (GSI) were measured in the last week. The result showed that laserpuncture had significant effect (P<0.05) on the gonadal maturity and GSI of female striped catfish. A dose of 0.4 Joule laserpuncture have the best gonadal maturity level in stage IV. Meanwhile, highest GSI were treated at dose 0.4 Joule laserpuncture, which was 3.4%. Induction of laserpuncture at the reproductive point once a week for three weeks accelerate gonadal maturity of female striped catfish.
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