Masculinization of nile tilapia (Oreochromis niloticus) using extract of bull testes

2nd International Symposium on Marine and Fisheries Research

地球科学;农业科学

Yustiati, A.^1 ; Bangkit, I.^1 ; Zidni, I.^1

Study Program of Fisheries, Faculty of Fisheries, Marine Sciences Universitas Padjadjaran, Jl. Raya Bandung- Sumedang KM 21, Jatinangor-West-Java

40600, Indonesia^1

关键词: Completely randomized designs;    Nile tilapia;    Oral administration;    Oreochromis niloticus;    research methods;    Sex reversals;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/139/1/012008/pdf
DOI  :  10.1088/1755-1315/139/1/012008

学科分类：农业科学（综合）

来源: IOP

【 摘 要 】

Tilapia males grow faster to increase the production of the fish, there is a necessity to produce all males by using extract of bull testes. The research method used in this study was the experimental Completely Randomized Design (CRD) with five treatments and three replications. The treatments were A: without immersion and without oral treatment (control); B; immersion 600 μg•L-1without oral treatment; C: immersion 600 μg•L-1and oral at a dose of 30 mg•kg-1feeds, D: immersion 600 μg•L-1and oral at a dose of 40 mg•kg-1feeds, E: immersion 600 μg•L-1and oral at a dose of 50 mg•kg-1feeds. Results showed that the use of bull testicle extract mixed to media at concentration of 3 ml L-1produced red male nile of 69.07 %. In addition, the immersion of the extract at 500 μg•L-1resulted the male of 86.71 %. Sex reversal by dipping at 600 μg•L-117-methyltestosterone combined with oral administration at 40 mg•kg-1produced the highest male of Nile Tilapia Java carp (86.67 %) compared with dipping, which produced 65.56 % of male. These results suggested that combination of dipping and oral is more effective for sex reversal.