Pd/a Crsp Eighteenth Annual Technical Report
نویسنده
چکیده
This study is focused on developing software tools for the analysis of fish population size distributions, focusing initially on commercial catfish operations in the southeastern United States but generalizable to other types of operations and locations. Progress has been made in two primary areas: 1) modeling size distributions and their dynamics through time related to biological and management factors and 2) software development for the decision tool deliverable from this study. The current status of both is described in this progress report.
منابع مشابه
Pd/a Crsp Eighteenth Annual Technical Report
The Peruvian Amazon is in an advantageous situation for fish culture. Survey data from 146 practicing fish farmers show that they culture a variety of species, but regardless of the kind of fish they grow, farmers view fish culture in a positive light. While gamitana (Colossoma macropomum) is not the only Amazon fish to deserve special attention, it is the first species about which enough is kn...
متن کاملPd/a Crsp Eighteenth Annual Technical Report
Colossoma macropomum growth performance did not significantly differ in trials conducted in ponds at 2,500, 3,250, and 4,000 fish ha-1 in Iquitos, Peru. Fish initially weighing 3.4 g were fed a locally prepared diet (26.7% crude protein; 9.0% crude lipid) in rations ranging from 3 to 5% body weight per day. Fish were harvested after 168 days and had mean weights of 374.7, 307.7, and 287.0 g for...
متن کاملPd/a Crsp Eighteenth Annual Technical Report
The first phase of this study was to conduct an analysis of the economic trade-offs associated with PD/A CRSP-developed technologies in Thailand using secondary data. This paper outlines conditions under which a small-scale tilapia producer in Thailand chooses among four PD/A CRSP–developed technologies: low-intensity inorganic fertilization (inorganic technology); organic fertilization with co...
متن کاملPd/a Crsp Eighteenth Annual Technical Report
Proximate analyses of broodstock and grow-out feeds for gamitana (Colossoma macropomum) and paco (Piaractus brachypomus) and their constituent feedstuffs were conducted. Literature values for specific nutrients known to affect fish reproduction were calculated from published sources for the broodstock diet. Broodstock eggs have not yet been obtained for proximate analysis. However, similar anal...
متن کاملNon-parametric estimation of returns to investment in Honduras shrimp research
CRSP Research Report 99-138 The CRSP will not be distributing this publication. Copies may be obtained by writing to the authors. Non-parametric estimation of returns to investment in Honduras shrimp research Siddhartha Dasgupta and Carole R. Engle Aquaculture/Fisheries Center University of Arkansas at Pine Bluff Pine Bluff, AR 71611 USA This paper reports the results of a study to evaluate the...
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