An artificial diet for larval rabbitfish Siganus guttatus Bloch.
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A 21-day feeding trial was conducted to determine growth, survival and metamorphosis of larval rabbitfish (Siganus guttatus ) fed artificial diets containing approximately 40, 45, 50 and 55% crude protein. Artemia nauplii served as the control feed. Larvae performed equally well on all artificial diets with specific growth rate, % metamorphosis and % survival of 7.80-8.35, 95.2-97.9% and 59.9-70.3%, respectively. In contrast, Artemia -fed larvae exhibited poor growth (5.03) and low survival (51%) possibly due to inadequate feeding level or poor nutritional quality of Artemia . Hence, a diet with 40% protein and estimated energy content of 3,971 kcal kg super(-1) may be used with satisfactory results during hatchery production of rabbitfish.
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Hara, S.; Kohno, H.; Duray, Marietta; Bagarinao, Teodora; Gallego, A.; Taki, Y. (Asian Fisheries Society, 1986)The feeding habits of Siganus guttatus larvae were determined in laboratory rearing studies at 23.8-30.3 degree C by examination of digestive tract contents of larvae given rotifers and/or brine shrimp. Larvae were initially ...
Morphological development of the swimming and feeding apparatus in larval rabbitfish, Siganus guttatus. Kohno, H.; Hara, S.; Gallego, A.B.; Duray, M.N.; Taki, Y. (1986)The development of body parts for swimming and feeding in Siganus guttatus larvae was studied in samples reared in the laboratory at temperatures of 27.3-30 degree C. From the observations, the larval stage of S. guttatus ...
Effects of continuous lighting on growth and survival of first-feeding larval rabbitfish, Siganus guttatus Duray, Marietta; Kohno, Hiroshi (Elsevier, 1988)The effects of 24-h lighting on feeding, growth and survival of first-feeding larvae of Siganus guttatus were tested. Continuous light gave a higher mean survival (31.69%) with a maximum of 40.50% compared to natural ...