WorldFish is an international, nonprofit research organization that harnesses the potential of fisheries and aquaculture to reduce hunger and poverty. Our publications database contains WorldFish publications and references to WorldFish research published in refereed journals and periodicals.

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Manure from grower-finisher pigs (15-100 kg) was added to 0.1 hs ponds at six different rates: 40, 60, 80, 100, 120 and 140 pigs/ha of pond. Tilapia (Sarotherodon niloticus), Cyprinus carpio and Ophicephalus striatus were cultured in the ponds at total stocking rates of 10000 and 20000 fish/ha. There were two 90-day fish culture periods in each 180 day pig culture period. The highest net fish yield of 3549 kg/ha/180 days was obtained with 103 pig/ha and 20000 fish/ha treatment.

A newly developed computer-based method for the analysis of length-frequency data (ELEFAN I & II) is applied to data on reef fishes. It is shown that the growth of reef fishes often oscillates seasonally, and that adjusting for this effect considerably increases the accuracy of growth parameter estimates. This is also confirmed by a re-analysis of tagging data from the Caribbean.