Pemanfaatan Cangkang Kerang Darah (Anadara granosa) Sebagai Filter Terhadap Kinerja Produksi dan Respons Fisiologi Benih Ikan Jelawat (Leptobarbus hoeveniii Blkr)

Abstrak

This study aims to determine the best shell particle size as a filter for recirculation systems in the rearing of barramundi (Leptobarbus hoevenii, Blkr) on production performance and physiological response. The study was conducted using an environmental design in a completely randomized design with 4 treatments and 3 replications, including treatment of without the addition of blood clam shells (A), size of the blood clam shell is 1 mm (B), size of the blood clam shell is 2 mm (C) and size of the blood clam shell is 1 mm 3 mm (D).  The fish used in this study were the fingerlings of 2 ± 0.2 inches in size. The research results show that survival rates for all treatments ranged from 81.19% - 84.52%, specific weight growth rates for all treatments ranged from 4.01%/day - 4.24%/day, absolute length growth for all treatments ranged from 1.53 cm - 1.84 cm, absolute weight growth for all treatments ranged from 0.95 g - 1.08 g, feed conversion ratio for all treatments ranged from 2.51 - 2.98 and the coefficient of variation in final weight for all treatments ranged from 20.69 % - 24.84 %. Blood glucose values at the end of the maintenance period ranged from 56.67 mg/dL – 95.67 mg/dL. The results of the analysis of the water quality of the rearing medium show that the water quality is still in the feasible range for the maintenance of barnet fish