Browsing by Author "Bovenhuis, H."
Now showing items 1-7 of 7
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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 ArticleIt 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 ... -
Estimates of phenotypic and genetic parameters for carcass traits in Nile Tilapia selected for fast growth in low-input conditions
Charo-Karisa, H.; Phan, O.; Rezk M.A.; Bovenhuis, H.; Komen, J. (2005)Type: OtherNile tilapia is sold as either un-gutted or gutted whole carcasses, or as depending on geographical location. In whichever state the is sold, meat yield is an important consideration. Although carcass traits are of economic ... -
Genetic analysis of Nile tilapia (Oreochromis niloticus) selection line reared in two input environments
Khaw, H.L.; Bovenhuis, H.; Ponzoni, R.W.; Rezk, M.A.; Charo-Karisa, H.; Komen, H. (2009)Type: Journal ArticleAscertaining the appropriate selection environment for Nile tilapia (Oreochromis niloticus) in Africa is a critical issue. Two data sets derived from two selection lines originating from a common base population were ... -
Heritability estimates and response to selection for growth of Nile tilapia (Oreochromis niloticus) in low-input earthen ponds
Charo-Karisa, H.; Komen, H.; Rezk, M.A.; Ponzoni, R.W.; van Arendonk, J.A.M.; Bovenhuis, H. (2006)Type: Journal ArticleThis study presents results of two generations of selection (G1 and G2) for growth of Nile tilapia. The selection environment consisted of earthen ponds which were fertilized daily with 50 kg dry matter (dm)/ha chicken ... -
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 ChapterMass 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 ... -
Phenotypic and genetic parameters for body measurements, reproductive traits and gut length of Nile tilapia (Oreochromis niloticus) selected for growth in low-input earthen ponds
Charo-Karisa, H.; Bovenhuis, H.; Rezk, M.A.; Ponzoni, R.W.; van Arendonk, J.A.M.; Komen, H. (2007)Type: Journal ArticleIn this study we present estimates of phenotypic and genetic parameters for body size measurements, reproductive traits, and gut length for Nile tilapia (Oreochromis niloticus) selected for growth in fertilized earthen ... -
Production of genetically improved organic Nile tilapia
Charo-Karisa, H.; Komen, H.; Bovenhuis, H.; Rezk, M.A.; Ponzoni, R.W. (2008)Type: Journal ArticleDemand for organic products for human consumption has been on the increase due to the belief that organic products are safer and healthier to the consumer and the environment. In developing countries, Nile tilapia (Oreochromis ...