TEKNIK BUDIDAYA LOBSTER (CHERAX QUADRICARINATUS) AIR TAWAR DI BALAI BUDIDAYA AIR TAWAR (BBAT) TATELU
ABSTRACT: The aimed of this
field practice was to study the hatchery technique of freshwater lobster at
Board of Freshwater Aquaculture, Tatelu (BBAT). During this practice, all the
hatchery activities were conducted according to BBAT standar procedures. The
number of broodstocks used in this practice was 225 females and 53 males. These
broodstocks were propagated in mating pond for two weeks. Broodstocks having
eggs were moved into hatching tank individually. Afterward, broodstock was
removed into another tank while larvae were kept in hatching tank for 10 days.
Larvae were cultivated in concrete tank for one month. Data collected included
surviral rate, weight and length of lobster, and water quality. Survival rate
of larvae was 50%. Water quality in broodstock tank was temperature 28,4 0C, pH
7,5; DO 5,6 mg/l, in hatching pond was temperature 27,23 0C, pH 7,5; DO 5,2
mg/l. In general, lobster hatchery consisted of tank preparation, boroodstock
culture, broodstock seletion, hatching, larvae rearing, feeding, water quality
contol, pest and disease prevention, harvest.
Key Words: Hatchery, lobster,
broodstocks
Penulis: Kedis Lengka,
Magdalena Kolopita
Kode Jurnal: jpperikanandd130135
