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All Journal Jurnal Media Akuakultur Indonesia Journal of Fish Nutrition
Diniarti , Nanda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology

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PENAMBAHAN TEPUNG DAGING GURITA PADA PAKAN PELET KOMERSIL TERHADAP PERTUMBUHAN IKAN LELE (Clarias sp.) Nurifansyah, Nurifansyah; Marzuki, Muhammad; Diniarti , Nanda
Journal of Fish Nutrition Vol. 4 No. 1 (2024): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v4i1.3021

Abstract

Catfish is a freshwater commodity often found in traditional and modern markets. Cultivation is also carried out in almost all regions, but the obstacle is feed availability. Therefore, we are looking for feed ingredients that are widely available and capable of increasing catfish growth quickly. Octopus is a fishery commodity abundant in certain seasons and requires processing so that it is not wasted. Octopus can be made into meal and used as raw material for catfish feed. The research aimed to analyze the effect of adding octopus meal to commercial feed for the growth of catfish (Clarias sp.). This research used an experimental method with 4 treatments (P1: 100% pellets, 0% octopus (without addition), P2: 98% pellets, 2% octopus meal, P3: 96% pellets, 4% octopus meal, P4: 94% pellets, 6% octopus meal) and 3 repetitions. The results showed that the addition of octopus meal increased the growth of catfish with the best treatment, namely the P4 treatment. Adding octopus meal to commercial feed gave significant results on absolute weight growth, specific weight growth, absolute length growth, specific length growth, feed conversion ratio, and feed efficiency level but did not affect the survival rate of catfish.
INDUCED BREEDING GOLDEN BLACK MOLLY USED DIFFERENT SALINITY Safitri, Wilda; Diniarti , Nanda; Dwi Hari Setyono, Bagus
Jurnal Media Akuakultur Indonesia Vol 2 No 2 (2022): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v2i2.1737

Abstract

Poecilia sp. is one type of ornamental fish that has distinctive characteristics because molly fish are freshwater ornamental fish that are able to live and breed in saline (brackish water) environments. Induction of molly fish spawning can be done with salinity treatment on the spawning media because the endocrine system in molly fish which plays a role in regulating body balance against changes in environmental conditions, especially changes in salinity will become more active so that it affects metabolism and reproduction (Taufik & Kusrini, 2006). The purpose of this study was to analyze differences in salinity as a spawning stimulant in molly fish. the method used in this study: P1. Salinity 10 ppt, P2. Salinity 15 ppt, P3. salinity 20 ppt, P4. Salinity 25 ppt, P5. 30 ppt with three replications. Parameters observed were Gonad Maturity Level (TKG), Gonad Maturity Index (IKG), survival rate (SR), and gestation period. The reared fish showed good gonad maturity so that spawning occurred. The results of this study, the highest gonadal maturity level was found at P1 salinity 10 ppt and P2 salinity 15 ppt the best, namely TKG V compared to P3, P4, and P5 namely TKG IV. The best gonadal maturity index was treatment P1 which was 14.28±2.0c followed by P2 11.71±2.0bc, P3 10.74±0.76abc P5 8.01±2.34ab and P4 7.27±2, 84a. The fastest gestation period was in P1 and P2, namely 44 days and 23 days. The highest survival rate occurred in P1 and P2, which was 100%. The highest absolute weight average was found in P1 which was 8.01±0.82c P2 6.33±0.5bc. The conclusion of this study, different salinity has a significant effect on the gonadal maturity index and absolute weight of golden black molly fish.
Co-Authors Bagus Dwi Hari Setyono Muhammad Marzuki Nurifansyah, Nurifansyah Safitri, Wilda