THE Technology Improvement For Managing Parent Stock Of Silver Pompano (Trachinotus blochii, Lacepede) In Providing BETTER Quality Of Eggs For Sustainable Seeds Availability
Silver pompano is one of the marine fishery commodity that has high economic value and has been produced massively both seeding and growing in " Balai perikanan dan budidaya laut Batam" The demand of silver pompano seeds is increasing from time to time therefore the concrete action must be made to support the availability of seeds. One of the action is improving the technology for managing the parent stock of bawal bintang .
The method that has been made is a series of technological improvement for managing bawal bintang parent stock. It starts from selecting the candidate for parent stock and breeding the parent stock as well as managing the food management, managing good quality of water for cultivation.
Aside from that some other state of the art technologies that are invented by " Balai Perikanan budidaya laut ( BPBL) have also been applied. Among others are the improvement of water quality for cultivation such as the implementation of recirculation system and enrichment of nutrition in moist pellet.
The eggs produced by implementing parent stock cultivation in BPBL Batam and by using the technological improvement has shown a significant result. The silver pompano parent stock can breed naturally and can provide sustainable eggs, the amount of eggs production and also the eggs quality are also better . The parent stock silver pompano can breed 3 times every bright moon. The average eggs produced are 800.000 - 1.000.0000 eggs every month with fertility rate is 90% -95% and hatching rate is 85%-90%. The diameter of the eggs is around 0.8 - 1.0 mm transparent seeds.