This research aims to know the influence of larvae of nile tilapia (Oreochromis niloticus) age on masculinization process by the administration of methyl testosterone (MT) natural hormones. This research used 270 nile tilapia larvae divided into 3 age of groups: 5 days (PI), 10 days (PII), and 20 days (PIII), with three repetitions. Larvae were dipped in MT natural hormone for 20 days then reared until age of 60 days, followed by observations of fish sex. The average percentage of male-sex of tilapia fish after dipping with methyl testosterone natural hormone on group PI, PII, and PIII were 68.07%, 66.47%, and 57.29%, respectively. It can be concluded that the age of larvae do not affect the percentage of masculinization process of nile tilapia fish. ____________________________________________________________________________________________________________________ Key words: larvae tilapia, masculinization, methyl testosterone natural hormone

Published by Universitas Syiah Kuala
Journal Name Jurnal Medika Veterinaria
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Location Kab. aceh besar, Aceh INDONESIA
Website | http://www.jurnal.unsyiah.ac.id/index.php/JMV|
ISSN ISSN : -, EISSN : -, DOI : -,
Core Subject Health,
Meta Subject Health Professions,
Meta Desc
PenulisR, Rosmaidar
Publisher ArticleUniversitas Syiah Kuala
Subtitle Article Jurnal Medika Veterinaria Vol 10, No 2 (2016): J. Med. Vet.
Scholar Googlehttp://scholar.google.com/scholar?q=%2Bintitle%3A&…
View Articlehttp://www.jurnal.unsyiah.ac.i…
DOIhttps://doi.org/10.21157/j.med.vet.…
DOI Number DOI: 10.21157/j.med.vet..v10i2.4621
Download Article [1] http://www.jurnal.unsyiah.ac.id/JMV/arti…
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