Maturation Inducing Hormones in teleosts: Are progestogens always the first to be nominated?

L El Mohajer, R Bulteau, P Fontaine, S Milla - Aquaculture, 2022 - Elsevier
Attempts to increase fish production and restocking capacities have made synchronous out-
of-season spawning necessary. Achieving such spawning is, however, highly dependent on …

Ovarian lavage/artificial insemination method as an alternative approach for controlled reproduction of the northern pike (Esox lucius)

EA Nargesi, D Gorouhi - Animal Reproduction Science, 2024 - Elsevier
This study aimed to compare the effectiveness of the ovarian lavage/artificial insemination
method with the traditional hormonal administration and fertilization methods over the …

Artificial insemination of African catfish (Clarias gariepinus) using cryopreserved sperm

T Müller, T Szabó, T Kollár, B Csorbai, Z Marinović… - Theriogenology, 2019 - Elsevier
In this study, we aimed to develop a practical protocol for using cryopreserved sperm for
induced/wild/tank spawning of fish species with external fertilization. Experiments were …

[HTML][HTML] New observations about the fertilisation capacity and latency time of sperm inseminated into the ovary of African catfish (Clarias gariepinus), an oviparous …

T Müller, É Ács, G Beliczky, J Makk, A Földi, B Kucska… - Aquaculture, 2020 - Elsevier
In our former study, we proved that sperm injected into the ovary by catheter through the
oviduct 10-12 h before hormonally induced ovulation, retains its fertilizing capacity for …

[HTML][HTML] Optimisation of controlled reproduction protocol in broadhead catfish (Clarias macrocephalus Günther, 1864) using Ovopel™: Effect of different hormonal …

NN Quyến, NT Tâm, TA Pha, LA Thuật, NN Lợi… - Aquaculture …, 2025 - Elsevier
This study aims to establish novel protocols for hormonal delivery methods and dosages of
Ovopel™(D-Ala 6, Pro 9 NEt-mGnRH plus metoclopramide) for spawning induction of …

Artificial sperm insemination in externally fertilised fish as a novel tool for ex situ and in situ conservation of valuable populations

G Gazsi, B Ivánovics, RB Izabella, T Szabó… - Endangered Species …, 2021 - int-res.com
Loss of genetic diversity and accumulation of deleterious mutations may lead to inbreeding
depression in captive breeding. To address the problem of maintaining genetic diversity, we …

[HTML][HTML] Fish sperm competition in hatcheries and between wild and hatchery origin fish in nature

J Beirão, TB Egeland, CF Purchase, JT Nordeide - Theriogenology, 2019 - Elsevier
Males compete pre-and post-mating to fertilize the maximum number of eggs. In polyandry,
sperm competition occurs when sperm from two or more males compete to fertilize eggs …

[HTML][HTML] The effects of different hormone administration methods on propagation successes in African catfish (Clarias gariepinus)

B Kucska, NN Quyen, T Szabó, A Gebremichael… - Aquaculture …, 2022 - Elsevier
Successful propagation of fish depends on many factors including the optimal administration
routes and delivery vehicles of spawning agents. In our experiments, the effects of different …

Successful, induced propagation of African catfish (Clarias gariepinus) by ovarian lavage with sperm and hormone mixture

T Müller, B Kucska, H László, Á Ittzés, B Urbányi… - Aquaculture, 2018 - Elsevier
The in vitro fertilisation method is widespread in fish aquaculture. In general, calculated
doses of different hormones are injected intramuscularly or intraperitoneally, by using a …

[HTML][HTML] Propagation of jundia Rhamdia quelen (Siluriformes: Heptapteridae) by applying the ovarian sperm injection method

I Ittzés, EC Kronbauer, T Szabó, L Horváth, B Urbányi… - Aquaculture …, 2020 - Elsevier
We compared the effectiveness of the ovarian sperm injection method with that of the
traditional one over the artificial propagation of jundia. Three experimental groups were set …