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Some additional notes;
The dependency on fish in developing countries is high
as substitutes in the form of other animal foods are often not available to the poor…Fishing
households consumed an average of 188g of fish per day (69kg/year) compared with
127g fish per day (46kg/year) for non-fishing households….About 80% of the households ate fish twice a day (2 meals/day)
while 20% consumed fish once a day (1 meal/day). Members of the households ate
every part of the fish. Chewed bones were discarded only when big fish were eaten…In the current study, small fish were eaten whole but chewed bones were discarded
when large fish were eaten. Small whole fish tend to contribute far more to dietary
balance than do prepared portions of larger fish. This is particularly so as fish
bones are rich in calcium which could help in body development especially in
children. Increased fish consumption by children may be beneficial in areas
where lactose intolerance is common or milk is expensive or in short supply…– Gomna, A. “The role of Tilapia in food security of fishing villages in Niger state, Nigeria.” African Journal of Food, Agriculture, Nutrition and Development 11.7 (2011): 5561-5572.
Tilapias slaughtered at 665 g also presented higher flavor and general acceptance. These results show that slaughter weight may influence important aspects of the quality of Nile tilapia fillets and that the slaughter of Nile tilapia with a body weight of 665 g allows fillets that serve the consumer market to be obtained.
– Morais, Carlos Adriano Rocha Silva, et al. “Effect of slaughter weight on the quality of Nile tilapia fillets.” Aquaculture 520 (2020): 734941.