Hormones and fish monosex farming: A spotlight on immunity

HG Abo-Al-Ela - Fish & Shellfish Immunology, 2018 - Elsevier
Aquaculture is a promising and developing industry worldwide. One of the first step in
monosex culturing, particularly in Nile tilapia, is the production of all-male fry; hormones are …

The role of functional feed additives in tilapia nutrition

TA Alemayehu, A Geremew, A Getahun - Fisheries and Aquaculture …, 2018 - go.gale.com
Aquaculture feeds are formulated with a vast pool of ingredient to meet nutritional
requirements of fish for normal physiological functions, including maintaining a highly …

The extent to which immunity, apoptosis and detoxification gene expression interact with 17 alpha-methyltestosterone

HG Abo-Al-Ela, AF El-Nahas, S Mahmoud… - Fish & shellfish …, 2017 - Elsevier
Innate immunity is the first line of defence against invasion by foreign pathogens. One widely
used synthetic androgen for the production of all-male fish, particularly commercially …

Ecological risk of 17α-methyltestosterone contaminated water discharged from a full water recirculating earthen masculinization pond

SP Thanasupsin, L Chheang, C Math - Human and Ecological …, 2021 - Taylor & Francis
Abstract 17α-methyltestosterone (MT) is an exogenous anabolic steroid hormone used
widely in aquafarming. This study aimed to emphasize the environmental hazards of MT …

Effect of 17 α-methyl testosterone on sex reversal and growth of Nile tilapia (Oreochromis niloticus L., 1758)

A Jensi, K Karl Marx, M Rajkumar… - Ecology …, 2016 - eprints.cmfri.org.in
The present study aims at developing a production of monosex population of all male Nile
tilapia (Oreochromis niloticus) using 17α-methyltestosterone (17α-MT). Three treatments …

Preliminary investigation of Tribulus terrestris (Linn. 1753) extracts as natural sex reversal agent in Oreochromis niloticus (Linn. 1758) larvae

BO Omitoyin, EK Ajani, HO Sadiq - 2012 - aquadocs.org
Five pairs of brood stocks of Oreochromis niloticus (average weight of 350~ c 25.8 g) in a
ratio of 1: 1 male to female were used for the fry production to examine the prospect of …

Evaluation of different sex reversal treatments in red tilapia hybrid

FM Zaki, MM Said, AA Tahoun… - Egyptian Journal of …, 2021 - ejabf.journals.ekb.eg
Effects of dietary inclusion of Tribulus terrestris and 17 α-methyltestosterone on sex reversal,
growth performance, feed utilization, and survival rates of red tilapia were evaluated in this …

Application of nanotechnology for the production of masculinized Tilapia, Oreochromis niloticus (Linnaeus, 1758)

HD Joshi, VK Tiwari, S Gupta, R Sharma, WS Lakra… - Aquaculture, 2019 - Elsevier
Nanoparticles (NPs) are believed to be the best drug delivery system. The present research
work has been designed to develop (poly lactic-co-glycolic acid)(PLGA) loaded fadrozole …

Soybean oil as diluent and vehicle for 17α-methyltestosterone in the masculinization of Nile tilapia (Oreochromis niloticus) in clear water and biofloc systems

FFB da Costa, ÉR de Alvarenga, MA da Silva… - Aquaculture, 2024 - Elsevier
The production of masculinized batches of tilapia using the hormon 17α-methyltestosterone
(MT) is effective, however, this method of sexual control has an important cost in the …

Control of testes mass by androgen receptor paralogs in a cichlid

AP Hoadley, RD Fernald, BA Alward - Journal of Comparative Physiology …, 2022 - Springer
Steroid hormones play numerous important and diverse roles in the differentiation and
development of vertebrate primary and secondary reproductive characteristics. However, the …