DEWANTORO, EKO and Purnamawati, Purnamawati and Nirmala, Kukuh and Affandi, Ridwan and Utami, Diah A. S. (2019) Survival and growth response of snakehead fish Channa striata juvenile on various salinity levels of acid sulfate water. Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society, 12. pp. 1467-1479. ISSN ISSN 1844-9166 (online) ISSN 1844-8143 (print)
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Abstract
The aim of this study was to analyze the effect of salinity levels on biometric and physiological responses of snakehead fish (Channa striata) juvenile reared in acid sulfate water medium. The experiment was conducted through completely randomized design (CRD) with salinity levels of 0, 3, 6, and 9 ppt as treatments, and each treatment had six replications. The snakehead fish juvenile with an average length of 2.4±0.2 cm and an average weight of 0.21±0.04 g reared in the aquarium sizing 30 x 25 x 35 cm with a stocking density of 2 fish L-1, for 40 days. The fish were fed commercial feed with a protein content of 40% two times a day (morning and afternoon) to apparent satiation. The water was continuously aerated and water replacement was done every 2 days about 10% of the total water volume in the aquarium. The results showed that salinity significantly affected the biometric and physiological responses of snakehead fish juvenile. The medium with a salinity level of 3 ppt gave the best results shown by the highest value of survival (77%), growth rate (5.62% day-1), feed efficiency (87.5%), protein retention (38.32%), energy retention (25.50%) and albumin content (4.52 g 100 mL-1), and had the lowest value of osmotic gradient (0.097 osmoL kg-1 H2O), oxygen consumption rate (1.99 mg O2 g-1 h-1), and blood glucose (25.05 mg 100 mL-1).
| Item Type: | Article |
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| Uncontrolled Keywords: | air-breathing fish, biometric responses, freshwater fish, osmolarity, physiological responses. |
| Subjects: | - Budidaya Perairan |
| Divisions: | Fakultas Perikanan dan Ilmu Kelautan > Prodi Budidaya Perairan |
| Depositing User: | Admin 2 |
| Date Deposited: | 30 May 2023 07:17 |
| Last Modified: | 30 May 2023 08:44 |
| URI: | http://repository.unmuhpnk.ac.id/id/eprint/2168 |
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