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Abidin Nur
Fishery Research Centre, National Research and Innovation Agency, Indonesia
Earth & Planetary Sciences

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Performa Reproduksi Udang Pisang Domestikasi Non-Ablasi Fenneropenaeus indicus Abidin Nur; D. A. Widyany; L. Ruliaty; Z. Arifin; M. Soleh
Prosiding Simposium Nasional Kelautan dan Perikanan Vol. 9 (2022): PROSIDING SIMPOSIUM NASIONAL IX KELAUTAN DAN PERIKANAN UNHAS
Publisher : Fakultas Ilmu Kelautan dan Perikanan (FIKP), Universitas Hasanuddin

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Abstract

The aims of the study were to evaluate the reproductive performance of pond reared broodstock of Fenneropenaeus indicus without prior ablation for shrimp maturity. These technique being reported impair physiological process and finally offspring quality Pre-maturation was with (BFT) and without biofloc technology (non-BFT) system assessed during the trials. First trial, amount of 10 months old broodstock were acclimatized during four days before mating, while the second trial a total of 190 pairs shrimp at 11 months olds were culture separately (females and males) during four weeks and reared into biofloc system prior maturation performed. Molasse was used as carbon sources to maintain C/N ratio of 15:1. All maturation processed conducted using rectangular cement tanks at 10L and 14D condition. Shrimp fed on fresh diets consists of squid, oyster and live Nereis sp ca. 25% body weight (1:1:1). Daily water exchange rate of 100% in the morning and afternoon, respectively. It was found that the latency period from the trials (6-7 days) within the ranged of common intervals for F. indicus. However, daily spawners, nauplii production and postlarvae survival shows any significant differences (p<0,05) were 8.0% vs 11.4%; 33.850 vs 51.246 N spawner- and 30.7% vs 23.26%, respectively. Results finding shown that domesticated F. indicus can successfully produced healthy post larvae without prior broodstocks ablation. Study on BFT during pre-maturation of these species firstly report and there is the need for further research in terms of pre-maturation period, nutritional status of the broodstock, and compensatory growth in ponds.
Performa Reproduksi Induk Bandeng (Chanos chanos) yang Diberi Pakan Kaya Bubuk Spirulina Lisa Ruliaty; Abidin Nur; I. R. Amalia; A. L. Nurhayati
Prosiding Simposium Nasional Kelautan dan Perikanan Vol. 9 (2022): PROSIDING SIMPOSIUM NASIONAL IX KELAUTAN DAN PERIKANAN UNHAS
Publisher : Fakultas Ilmu Kelautan dan Perikanan (FIKP), Universitas Hasanuddin

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The enrichment of broodstock milkfish feed with Spirulina flour has been carried out at the Milkfish Hatchery Unit, MCBA Jepara. This research aims to improve the reproductive performance and quality of the milkfish's eggs. For every 10 kg of pellet feed is enriched with a mixture of 10 pieces of duck eggs, 100 mL of honey, 6 g of vitamin C, 3 g of vitamin E and Spirulina flour dosage of 0.6 g / kg and 1.8 g / kg. These materials are mixed and blended into an emulsion. The emulsion is sprayed evenly onto the pellet’s surface and left to dry.. The amount of pellet feed for broodstock milkfish is 2-3% biomass / day both in the morning and evening. The result shows that the enrichment of broodstock milkfish feed with Spirulina flour affected on : (a) enhancement in the number of eggs (from normally 6.9 million eggs becomes 20 million eggs), (b) frequency of lay eggs (from normally 10 times/month becomes 18 times/month), (c). fertilization degree (from normally 48.5 % becomes 70.4 %), and (d) hatching degree (from normally 66.2 % becomes 79.2 %). However, the enhancement dosage of Spirulina up to three times (from 0.6 g/kg become 1.8 g/kg) does not give significant results.
Co-Authors A. L. Nurhayati D. A. Widyany I. R. Amalia L. Ruliaty Lisa Ruliaty M. Soleh Z. Arifin