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Your search for "3901" gave back 71 results.

Intensity and profitability of Clarias nursing systems in periurban Yaoundé, Cameroon

To target development efforts, the technological options for investments in Clarias gariepinus hatchery systems were compared for cost, average weight, number of fingerlings harvested, survival and profitability in periurban Yaoundé, Cameroon. Costs were ...

Type: Publication

A hatchery manual for the common, Chinese and Indian major carps.

The manual aims to provide a practical guidance to carp hatchery workers and background information on carp biology and culture. Conditions and techniques relative to the Asian Development Bank member countries are emphasized. Fish eggs Fish farming Fish ...

Type: Publication

Factors affecting early growth of Nile tilapia fry in hapa-in-pond environments

Hapas, usually suspended in fertilized ponds, have long been used for tilapia fry production (Santiago et al., 1985; Bhujel, 1997) and recently for fry rearing. In fish breeding programs, members of a full-sib family usually share a common tank or hapa ...

Type: Publication

Towards the maximum profitability of smallholder catfish nurseries: predator defense and feeding-adapted stocking of Clarias gariepinus

To determine how best smallholders could maximize the profitability of their catfish hatcheries, the cost/benefit analyses of using fences, hapas and bird nets to exclude predators; as well as over-stocking to create food shortage, were conducted. As ...

Type: Publication

Influence of symbiont strain on early growth of tridacnids.

Symbiotic algae (zooxanthellae) from the mantles of fast- and slow-growing Tridacna gigas, from T. maxima, T. crocea and Hippopus hippopus were isolated and supplied to larvae of T. gigas grown under hatchery conditions. Significant differences in growth ...

Type: Publication

Capacity for developing and managing genetically improved strains of tilapia in Africa including broodstock management and quarantine

Human and institutional capacities for developing and managing genetically improved tilapia in Africa are discussed. Discussions are related particularly to the status of hatcheries, rearing facilities, research and extension services, training in genetic ...

Type: Publication

Hatchability of African catfish clarias gariepinus eggs in hapas and in basins: a diagnostic study of frequent inhibition by rainfall and water stagnation

To diagnose inhibition of egg hatchability by rainfall and water stagnation, some incubating eggs were protected against the physical impact of raindrops, some were subjected to various turbidity levels and others, to various incubation densities (number ...

Type: Publication

Effects of different substrata and protective mesh bags on collection of spat of the pearl oysters, Pinctada margaritifera (Linnaeus, 1758) and Pinctada maculata (Gould, 1850) .

Fish seed
 Mollusca Shellfish Friedman, K.J. Bell, J.D. 1 500 Tuesday, November 18, 2008 Monday, January 1, 1996 J. Shellfish Res. 15 (3): 535-541 ...

Type: Publication

Participatory research boosts catfish egg, fry production in Cameroon

The omnivorous African sharptooth catfish is a valuable species suitable for culture by smallholder farmers in Cameroon. A five-year research project that brought farmers together with research interests established simple, but effective approaches to ...

Type: Publication

A small-scale hatchery for common carp.

Gives comprehensive and well-illustrated techniques in comics format for establishing and maintaining an inexpensive hatchery for common carp, based on the techniques adopted in the common carp culture in Indonesia. Carp Extension services Fish eggs Fish ...

Type: Publication

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