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All Journal Journal of Aquatropica Asia Bioscientist : Jurnal Ilmiah Biologi
Wulandari, Ufi Ayu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences

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GROWTH PERFORMANCES OF LOBSTER JUVENILE (Cherax quadricarinatus) FED WITH SILKWORM AND RICE FLOUR kurniawan, andri; Adibrata, Sudirman; Lingga, Rahmad; Setiadi, Jhodi; Wulandari, Ufi Ayu; Hidayah, Reysya S N
Journal of Aquatropica Asia Vol 9 No 1 (2024): Journal of Aquatropica Asia
Publisher : Jurusan Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/joaa.v9i1.5536

Abstract

Freshwater lobster (Cherax quadricarinatus) is one of the freshwater commodities that has the potential to be cultivated and has economic value. However, the problem still faced by farmers is the quality of feed which can affect low growth and survival. This research aims to analyze the growth performance of juvenile lobsters fed silk worms and rice flour. This research used 30 juvenile lobster samples measuring 1-3 cm (+ 1 inch) that were around 30 days old per aquarium. The parameters observed were body length, body weight, and survival rate (SR) of juvenile lobsters and the water parameters measured were pH, temperature, and total dissolved solids (TDS). The results of the research show that juvenile freshwater lobsters are able to consume silk worms and rice flour so that juvenile lobsters can be classified as omnivores. Feeding treatment in the form of a combination of silk worms and rice flour showed the best results for growth in length, weight and SR of juvenile freshwater lobsters. Juvenile growth during 32 days of rearing fed a combination of silkworm and rice flour resulted 4.30 cm + 0.02 cm in a length, 1.43 g + 0.01 g in weight, and SR 80%.
Perbandingan Pola Rasio Morfometrik dan Karakteristik Habitat Dua Spesies Ikan Cupang Alam (Betta spp.) Endemik Pulau Bangka Ramadhanu, Destra; Prananda, Mustobi; Wulandari, Ufi Ayu; Hidayat, Rahmad; Syarif, Ahmad Fahrul
Bioscientist : Jurnal Ilmiah Biologi Vol. 11 No. 2 (2023): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v11i2.9598

Abstract

Bangka Island has extraordinary biodiversity. Bangka Island has various types of freshwater fish, including local and endemic fish. The natural betta fish Betta burdigala and Betta chloropharynx are two species of fish endemic to Bangka Island which are considered endangered. The aim of this study was to analyze the differences in morphology and habitat characteristics between these two species. This research uses a quantitative descriptive approach. The fish samples used were 10 Betta burdigala and Betta chloropharynx fish taken from Bikang Village, South Bangka Regency and Jade Bahrin Village, Bangka Regency from August to September 2023. The data obtained were analyzed descriptively and presented as graphs or tables. There are eight main characteristics based on morphometric ratios, namely Total Length (TL), Body Length (BL), Tail Length (TL), Head Length (HL), Head Height (HH), Body Width-I (BW-I), Body Width-II (BW-II), and Body Width-III (BW-III). Based on morphometric ratios, there are differences in all morphometric characters. Betta burdigala and Betta chloropharynx live in peat swamp waters, the pH of Betta burdigala water is lower than the pH of Betta chloropharynx water, the color of Betta burdigala water is more black brown, while the color of Betta chloropharynx water is clearer.
GROWTH PERFORMANCES OF LOBSTER JUVENILE (Cherax quadricarinatus) FED WITH SILKWORM AND RICE FLOUR kurniawan, andri; Adibrata, Sudirman; Lingga, Rahmad; Setiadi, Jhodi; Wulandari, Ufi Ayu; Hidayah, Reysya S N
Journal of Aquatropica Asia Vol 9 No 1 (2024): Journal of Aquatropica Asia
Publisher : Program Studi Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/joaa.v9i1.5536

Abstract

Freshwater lobster (Cherax quadricarinatus) is one of the freshwater commodities that has the potential to be cultivated and has economic value. However, the problem still faced by farmers is the quality of feed which can affect low growth and survival. This research aims to analyze the growth performance of juvenile lobsters fed silk worms and rice flour. This research used 30 juvenile lobster samples measuring 1-3 cm (+ 1 inch) that were around 30 days old per aquarium. The parameters observed were body length, body weight, and survival rate (SR) of juvenile lobsters and the water parameters measured were pH, temperature, and total dissolved solids (TDS). The results of the research show that juvenile freshwater lobsters are able to consume silk worms and rice flour so that juvenile lobsters can be classified as omnivores. Feeding treatment in the form of a combination of silk worms and rice flour showed the best results for growth in length, weight and SR of juvenile freshwater lobsters. Juvenile growth during 32 days of rearing fed a combination of silkworm and rice flour resulted 4.30 cm + 0.02 cm in a length, 1.43 g + 0.01 g in weight, and SR 80%.
Co-Authors Adibrata, Sudirman Ahmad Fahrul Syarif ANDRI KURNIAWAN Hidayah, Reysya S N Lingga, Rahmad Prananda, Mustobi Ramadhanu, Destra Setiadi, Jhodi