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On the induced spawning and larval rearing of milkfish, Chanos chanos (Forskal)

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วันที่
1979
ผู้เขียน
Liao, I-Chiu
Juario, Jesus V.
Kumagai, S.
Nakajima, H.
Natividad, Marietta
Buri, P.
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35
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นามธรรม
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%.
Description
Contribution No. 35 of the Aquaculture Department, SEAFDEC.
URI
http://hdl.handle.net/10862/1023
การอ้างอิง
Liao, 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). Aquaculture, 18(2), 75-93.
เรื่อง
Induced breeding; Rearing; Fish culture; Brackishwater aquaculture; Chanos chanos
คอลเลกชัน
  • AQD [1115]

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    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 ...
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    Requintina, Pura D.; Engle, L. M.; Benitez, Lita V. (University of the Philippines at Los Baños, 1981)
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