Anjang Bangun Prasetio
Research and Development Institute for Ornamental Fish, Depok

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GROWTH AND COLOUR PERFORMANCE OF THE CROSSBREED MARBLE STRAIN Betta splendens AND Betta imbellis Eni Kusrini; Riani Rahmawati; Siti Murniasih; Ruby Vidia Kusumah; Anjang Bangun Prasetio
Indonesian Aquaculture Journal Vol 10, No 2 (2015): (December 2015)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (10202.988 KB) | DOI: 10.15578/iaj.10.2.2015.101-112

Abstract

Betta ornamental fish of marble strain is a strain which is prefered by the hobbyists, because of its unique color, expensive price, and difficult to obtain the fish color strains. Therefore strain marble betta fish is still dominant for export quality for national and international contests. The aim of this study was to observe the growth and color performance of the crossedbreed marble strains of wild betta, Betta imbellis crossed with Betta splendens. The hybrids of B. imbellis (f) x B. splendens (m) (D) had a specific length and weight rate, (1,113 ± 0.04%/day; 2,531 ± 0.14%/day; 26.61 ± 2.02 mm) which was better than that of the hybrids B. imbellis (m) x B. splendens (f) (C) (1,099 ± 0.02%/day; 2,244 ± 0.13%/day; 25.97 ± 1.33 mm; and 0.0027 ± 0.0003 mm). However, the survival rate of the C hybrids (42.19 ± 11.42%) was higher than those of D (33.67%-17.08%). Based on the obtained results of the color identification the hybrids had as many as 15 characters of color, homozygous strains of marble which became the target of as much as 1%.