Browsing WorldFish Community by Author "Fessehaye, Y."

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Effects of relatedness and inbreeding on reproductive success of Nile tilapia (Oreochromis niloticus)

Fessehaye, Y.; Bovenhuis, H.; Rezk, M.A.; Crooijmans, R.; van Arendonk, J.A.M.; Komen, H. (2009)

Type: Journal Article

It is well established that progeny of inbred matings are less fit than those of outbred matings, and that inbred individuals suffer from reduced viability and fertility. Inbreeding can be avoided by dispersal of progeny ...
Mass spawning of Oreochromis niloticus for fry production: threats and opportunities for small-scale aquaculture and selective breeding

Fessehaye, Y.; Bovenhuis, H.; Rezk, M.; Ponzoni, R.; Komen. H. (2007)

Type: Book Chapter

Mass selection based on mass spawning can present a feasible and low-cost selective breeding scheme. In mass spawning, however, mating is not controlled and a small number of breeding individuals may account for a ...
Mating systems and male reproductive success in Nile tilapia (Oreochromis niloticus): a microsatelite analysis

Fessehaye, Y.; El-Bialy, Z.; Rezk, M.A.; Crooijmans, R.; Bovenhuis, K.; Komen, H. (2006)

Type: Journal Article

Fry production in Nile tilapia, Oreochromis niloticus is typically achieved by mass spawning of males and females stocked in large hapas suspended in ponds. In such spawning aggregations, territorial behavior and reproductive ...