On the induced spawning and larval rearing of milkfish, Chanos chanos (Forskal)
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A female milkfish, captured at sea, was injected with two hormonal injections of acetone-dried salmon pituitary powder and human chorionic gonadotropin, plus Vitamin B complex. It was stripped, and produced 128,000 ripe eggs with an average diameter of 1.15 mm. Fertilization rate was 38% following artificial fertilization with milt from an uninjected male. A total of 36,000 larvae hatched (74% of fertile eggs) after 26–32 h at 34 ‰ salinity and 27–32°C. The newly hatched larvae measured 3.4 mm in mean total length and possessed a large yolk sac. The mouth of the larvae opened about 54 h after hatching. The larvae were fed with fertilized oyster eggs, rotifers, copepods, brine shrimp, flour and prepared feed, together with Chlorella. A critical period was between the 4th and 6th days with mortality over 80%. The larvae started increasing in length by Day 8, and had the appearance of the wild fry by Day 11. On Day 13 a pigmentation pattern developed and the biggest larva measured 10.0 mm. By Day 18 the larvae measured 12.5 mm, and 14.5 mm by Day 21. A total of 2,859 fry was obtained; the highest larval survival rate obtained from different experimental groups was 46.8%.
Contribution No. 35 of the Aquaculture Department, SEAFDEC.
การอ้างอิงLiao, I., Juario, J. V., Kumagai, S., Nakajima, H., Natividad, M., & Buri, P. (1979). On the induced spawning and larval rearing of milkfish, Chanos chanos (Forskal).
- AQD 
Benitez, Lita V. (Philippine Council for Aquatic and Marine Research and Development, 1989)This paper reviews recent work on milkfish nutrition. Substantial progress had been made towards understanding the digestive physiology of milkfish. Major enzaymes envolved in the digestions of carbohydrates, protein and ...
Lactate dehydrogenase isozyme patterns during the development of milkfish, (Chanos chanos (Forskal)) Requintina, Pura D.; Engle, L. M.; Benitez, Lita V. (University of the Philippines at Los Baños, 1981)Polyacrylamide disc gel electrophoresis was done to determine the lactate dehydrogenase (LDH) isozyme patterns for fry (5-3 mg), fingerling (6-12 g), pond-size (150-250 g) and adult (6-9 kg) milkfish. The patterns were ...
Small-scale freshwater aquaculture development: Experiences from the Philippines on giant freshwater prawn, milkfish and tilapia Aya, Frolan (Japan International Cooperation Agency, 2013-12)The Aquaculture Department of the Southeast Asian Fisheries Development Center (SEAFDEC/AQD) has been promoting a number of programs towards effective dissemination and adoption of science-based aquaculture technologies ...