Abstract :
ABSTRACT
FITRIYANI GUMILARSAH. NIM A.1510460. The effect of Spirulina
platensis fluor supplementation to artificial feed on increasing of goldfish
(Carassius auratus) color quality. Under Supervision of Fia Sri Mumpuni and
Mulyana.
The experimental research was carried out on October 2018 at The Fisheries
Laboratory, Djuanda University, Bogor. The research is aimed to know the effect
of Spirulina platensis fluor supplementation to artificial feed on increasing of
goldfish color quality. The experimental research used completely randomized
design with 4 treatments and each 3 replications. The treatments are A (Control),
B (the supplementation of Spirulina platensis fluor with a dose of 3 %/1 kg of
artificial feed), C (the supplementation of Spirulina platensis fluor with a dose of
6 %/1 kg of artificial feed), dan D (the supplementation of Spirulina platensis
fluor with a dose of 9 %/1 kg of artificial feed). The increasing of color quality
and the survival rate of goldfish has been evaluated. The results of research
showed that the fish color changes on the thirteenth day began to look thick and
bright. The best dose is obtained in treatmens C and D. The survival rate of 100 %
in all treatments.
Key words : Color quality, Goldfish, Spirulina platensis, survival rate.