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

Tamás Müller, Balázs Kucska, Horváth László, Áron Ittzés, B. Urbányi, Chris Blake, Csaba Guti, Balázs Csorbai, Balázs Kovács, Tamás Szabó

Research output: Article

2 Citations (Scopus)

Abstract

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 syringe and needle, to induce ovulation and spermiation. We tested a novel approach to delivering sperm and hormone together to eggs, in African catfish, and concluded that sperm plus carp pituitary extract injection into the ovary lobes (through the oviduct) leads to successful ovulation and recovery of developing embryos in all of the experimental conditions applied. These results indicate that injected spermatozoa with suspended carp pituitary are stored in the ovary lobes for up to 10 h without loss of biological activity and that the ovulated eggs could be fertilised by the injected sperm, after being released from the body cavity. In addition, the seminal fluid was an appropriate delivery vehicle for the ovulation inducing hormone (i.e. carp pituitary) via ovarian lavage.

Original languageEnglish
Pages (from-to)197-200
Number of pages4
JournalAquaculture
Volume485
DOIs
Publication statusPublished - febr. 2 2018

Fingerprint

Clarias gariepinus
catfish
sperm
hormone
spermatozoa
hormones
carp
fish roe
ovulation
egg
spermiation
body cavities
aquaculture
syringes
embryo
in vitro fertilization
cavity
fish culture
oviducts
bioactive properties

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Successful, induced propagation of African catfish (Clarias gariepinus) by ovarian lavage with sperm and hormone mixture. / Müller, Tamás; Kucska, Balázs; László, Horváth; Ittzés, Áron; Urbányi, B.; Blake, Chris; Guti, Csaba; Csorbai, Balázs; Kovács, Balázs; Szabó, Tamás.

In: Aquaculture, Vol. 485, 02.02.2018, p. 197-200.

Research output: Article

Müller, T, Kucska, B, László, H, Ittzés, Á, Urbányi, B, Blake, C, Guti, C, Csorbai, B, Kovács, B & Szabó, T 2018, 'Successful, induced propagation of African catfish (Clarias gariepinus) by ovarian lavage with sperm and hormone mixture', Aquaculture, vol. 485, pp. 197-200. https://doi.org/10.1016/j.aquaculture.2017.11.051
Müller, Tamás ; Kucska, Balázs ; László, Horváth ; Ittzés, Áron ; Urbányi, B. ; Blake, Chris ; Guti, Csaba ; Csorbai, Balázs ; Kovács, Balázs ; Szabó, Tamás. / Successful, induced propagation of African catfish (Clarias gariepinus) by ovarian lavage with sperm and hormone mixture. In: Aquaculture. 2018 ; Vol. 485. pp. 197-200.
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AU - Blake, Chris

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AB - 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 syringe and needle, to induce ovulation and spermiation. We tested a novel approach to delivering sperm and hormone together to eggs, in African catfish, and concluded that sperm plus carp pituitary extract injection into the ovary lobes (through the oviduct) leads to successful ovulation and recovery of developing embryos in all of the experimental conditions applied. These results indicate that injected spermatozoa with suspended carp pituitary are stored in the ovary lobes for up to 10 h without loss of biological activity and that the ovulated eggs could be fertilised by the injected sperm, after being released from the body cavity. In addition, the seminal fluid was an appropriate delivery vehicle for the ovulation inducing hormone (i.e. carp pituitary) via ovarian lavage.

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