Fitriani Widya Putri, Istigfarilah (2024) EVALUASI PEMBERIAN PAKAN ALAMI DENGAN WAKTU TRANSISI YANG BERBEDA PADA LARVA IKAN BAWAL AIR TAWAR (Colossoma macropomum). S1 thesis, Universitas Sultan Ageng Tirtayasa.
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Abstract
Larvae constitute the most critical phase in the life cycle of fish, including freshwater tambaqui (Colossoma macropomum). Thus, further research is needed to evaluate the transition time from Artemia sp. to Tubifex sp feed. The transition time is essential to ensure that the feed is well digested by freshwater tambaqui larvae, thereby preventing slow growth and high feed consumption costs in tambaqui fish farming. The samples consisted of 3-day-old tambaqui larvae with an average total length of 6.45 mm. The experiment used 12 aquariums with sizes of 30x30x30 cm³ each with a water volume of 15 L. The fish density was 25 fish/L. Artemia sp. and Tubifex sp. were used as test feeds and were administered four times daily at 07:00, 11:00, 15:00, and 19:00 WIB (Western Indonesian Time). The study employed a completely randomized design (CRD) with 4 treatments and 3 replicates. The transition time from Artemia sp. to Tubifex sp. occurred on days 5 (A), 6 (B), 7 (C), and 8 (D) of larval rearing. The results indicated that treatment D yielded the best outcomes. Specifically, the results included BM (0.10±0.009 g), PM (8.71±0.21 mm), LPBS (0.142±0.001%/day), LPPS (0.034±0.001%/day), SR (75.29±2.8%), mouth opening size on day 13 of rearing (0.76±0.02 mm), and day 25 of rearing (2.10±0.13 mm). Additionally, lipase enzyme activity was measured at 0.037±0.006 IU/mL, and protease activity was measured at 0.081±0.001 IU/mL.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Larva merupakan fase paling kritis dalam siklus hidup ikan, termasuk bawal air tawar (Colossoma macropomum). Oleh karena itu, diperlukan penelitian lebih lanjut untuk mengevaluasi waktu transisi dari Artemia sp. untuk pakan Tubifex sp. Waktu transisi ini sangat penting untuk memastikan pakan dapat dicerna dengan baik oleh larva bawal air tawar, sehingga mencegah lambatnya pertumbuhan dan tingginya biaya konsumsi pakan dalam budidaya ikan bawal. Sampel terdiri dari larva bawal berumur 3 hari dengan rata-rata panjang total 6,45 mm. Percobaan menggunakan 12 akuarium berukuran masing-masing 30x30x30 cm³ dengan volume air 15 L. Kepadatan ikan 25 ekor/L. Artemia sp. dan Tubifex sp. digunakan sebagai pakan percobaan dan diberikan empat kali sehari pada pukul 07:00, 11:00, 15:00, dan 19:00 WIB (Waktu Indonesia Barat). Penelitian menggunakan rancangan acak lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Waktu peralihan dari Artemia sp. untuk Tubifex sp. terjadi pada hari ke 5 (A), 6 (B), 7 (C), dan 8 (D) pemeliharaan larva. Hasilnya menunjukkan bahwa perlakuan D memberikan hasil terbaik. Secara khusus, hasilnya meliputi BM (0,10±0,009 g), PM (8,71±0,21 mm), LPBS (0,142±0,001%/hari), LPPS (0,034±0,001%/hari), SR (75,29±2,8%), mulut ukuran bukaan pada hari ke 13 pemeliharaan (0,76±0,02 mm), dan hari ke 25 pemeliharaan (2,10±0,13 mm). Selain itu, aktivitas enzim lipase diukur pada 0,037±0,006 IU/mL, dan aktivitas protease diukur pada 0,081±0,001 IU/mL. | |||||||||
| Uncontrolled Keywords: | Digestive enzymes, feed transition, freshwater tambaqui larvae, growth and mouth opening | |||||||||
| Subjects: | S Agriculture > SH Aquaculture. Fisheries. Angling | |||||||||
| Divisions: | 04-Fakultas Pertanian 04-Fakultas Pertanian > 54244-Program Studi Ilmu Perikanan |
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| Depositing User: | Mrs Istigfarilah Fitriani Widya Putri | |||||||||
| Date Deposited: | 19 Aug 2024 09:03 | |||||||||
| Last Modified: | 19 Aug 2024 09:03 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/40478 |
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