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Journal : PERANAN

PENAMBAHAN SINBIOTIK (Lactobacillus dan Ekstrak Ubi Jalar) UNTUK MENINGKATKAN KESEHATAN BENIH IKAN NILA (Oreochromis niloticus) : indonesia happy, happymarlini; Oktaviana, Adni; Febriani, Dian
Jurnal Perikanan Terapan Vol 3 No 1 (2022): Jurnal Perikanan Terapan
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/peranan.v3i1.2728

Abstract

Tilapia is an important part of freshwater aquaculture in Indonesia. This fish has a high survivability and tolerance for poor water quality and has become a leading commodity for freshwater aquaculture in several Southeast Asian countries including Indonesia. Probiotics are food additives in the form of live microbes that have a beneficial effect on the host by increasing the balance of microbes in the digestive tract. Tilapia rearing was using a cement pond 4x3 meters with a total of 2 pools. Preparation of the container begins with installing the tarpaulin. After that, clean or rinse the pool. Then the pond is filled with water as high as 30 cm from the beginning of maintenance to harvest and left for 1-2 days. Ponds are aerated to increase oxygen levels in the water. Maintenance was carried out for 30 days until the size was 6-8 cm, with commercial feeding in the form of pf800 which had been mixed with synbiotics. From the results of tilapia rearing, it was concluded that the addition of synbiotics in the feed to improve the health of tilapia seeds during 30 days of maintenance was normal. The addition of sweet potato extract and lactobacillus as probiotics is good for fish health.
MASKULINISASI IKAN NILA (Oreochromis niloticus) DENGAN MENGGUNAKAN LARUTAN MADU (Apis mellifera linneus) Verdian, Aldi Huda; Febriani, Dian; Pamungkassari , Agustina Tri
Jurnal Perikanan Terapan Vol 4 No 1 (2023): Jurnal Perikanan Terapan
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Male tilapia is preferred by cultivators because it has a higher growth speed or matures quickly (sexual maturity) than female tilapia. Efforts need to be made to increase the production of tilapia by applying masculinization to increase the production of male tilapia. Masculinization activities can be carried out using the hormone 17α-Methyltestoteron. However, the use of these hormones usually leaves a carcinogenic residue which not only does not meet food safety requirements but also endangers consumers. Efforts to masculinize can be done by immersing the larvae in a water solution of honey. Honey contains chrysin which acts as an aromatase inhibitor resulting in increased hormone production and male traits become dominant. The purpose of this activity is to determine the male sex ratio from immersing tilapia larvae in honey solution. The larvae used were 7 days old, then soaking was carried out for 20 hours using honey with a concentration of 15 ml/L capable of producing 76% male seeds.