relation: https://eprints.untirta.ac.id/58486/ title: PEMANFAATAN MAGGOT BLACK SOLDIER FLY TERHADAP PERTUMBUHAN IKAN BAWAL AIR TAWAR (Colossoma macropomum) creator: Ardiansyah, Ryan Wahyu subject: SH Aquaculture. Fisheries. Angling description: Feed is a key factor in the success of freshwater pomfret (Colossoma macropomum) culture; however, the high cost of commercial feed reduces production efficiency and highlights the need for affordable, nutritious, and sustainable feed alternatives. Maggot has strong potential as a supplementary feed source due to its high protein content, ease of cultivation, and environmental benefits. This study aimed to evaluate the effect of combining commercial feed and maggot on the growth performance of freshwater pomfret and to determine the optimum formulation. The experiment was conducted for 40 days using a completely randomized design (CRD) with five treatments and three replications: A (100% commercial feed), B (75% commercial feed + 25% maggot), C (50% commercial feed + 50% maggot), D (25% commercial feed + 75% maggot), and E (100% maggot). Observed parameters included absolute weight gain, daily growth rate, feed conversion ratio (FCR), survival rate, protein retention, lipid retention, and water quality. The results showed that treatment B produced the highest weight gain and daily growth rate as well as the lowest FCR, indicating greater feed efficiency. The highest protein retention was also recorded in treatment B, while the highest lipid retention occurred in treatment E. Survival rates reached 100% across all treatments and water quality parameters remained within optimal ranges throughout the study. It can be concluded that partial substitution of commercial feed with 25% maggot is the most effective strategy for enhancing freshwater pomfret growth performance, whereas the use of maggot as the sole feed source does not support optimal growth. date: 2026-02-14 type: Thesis type: NonPeerReviewed format: text language: en identifier: https://eprints.untirta.ac.id/58486/1/Ryan%20Wahyu%20Ardiansyah_4443210105_01.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/2/Ryan%20Wahyu%20Ardiansyah_4443210105_02.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/3/Ryan%20Wahyu%20Ardiansyah_4443210105_03.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/4/Ryan%20Wahyu%20Ardiansyah_4443210105_04.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/5/Ryan%20Wahyu%20Ardiansyah_4443210105_05.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/6/Ryan%20Wahyu%20Ardiansyah_4443210105_Ref.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/7/Ryan%20Wahyu%20Ardiansyah_4443210105_Lam.pdf format: text language: en identifier: https://eprints.untirta.ac.id/58486/8/SKRIPSI_RYAN%20WAHYU%20ARDIANSYAH_4443210105.pdf identifier: Ardiansyah, Ryan Wahyu (2026) PEMANFAATAN MAGGOT BLACK SOLDIER FLY TERHADAP PERTUMBUHAN IKAN BAWAL AIR TAWAR (Colossoma macropomum). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.