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Dietary vitamin C and E supplementation and reproduction of milkfish Chanos chanos Forsskal

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កាលបរិច្ឆេទ
2000
អ្នកនិពន្ធ
Emata, Arnil C.
Borlongan, Ilda G.
Damaso, J. P.
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118
ទិន្នន័យមេតា
មើលកំណត់ត្រាលម្អិតនៃធាតុ

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អរូបី
Milkfish Chanos chanos Forsskal broodstock (11 years old, average body weight 5.23–5.73 kg) reared in 10-m-diameter by 3-m-deep floating net cages (31–36 fish per cage) at SEAFDEC AQD's Igang Marine Substation in Guimaras Island, central Philippines, were fed daily at 3% of total body weight formulated diets (36% protein, 7–8% lipid) supplemented with 0.1% vitamin C, 0.05% vitamin E, both vitamin C and E or no vitamin supplementation (control) for 3 years. Reproductive performance was assessed in an attempt to determine the optimum nutrition for successful spawning of milkfish. The total egg production, mean number of eggs per spawning, number of spawns and mean egg diameter were not affected by dietary vitamin C and E supplementation. However, broodstock given dietary supplementation of vitamin C alone or in combination with vitamin E had a higher percentage of spawns with higher (> 90%) percentage egg viability, hatching and cumulative survival rate than those of the control. Broodstock given dietary vitamin E supplementation alone had few spawns, which made the results difficult to analyse. The results confirm the essentiality of vitamin C supplementation in producing more spawns with good egg and larval quality. The production of an adequate volume of good quality eggs and larvae to support hatchery operation is necessary to offset the huge investment in broodstock development, as it takes at least 5 years for milkfish to attain sexual maturation and spawning.
URI
http://hdl.handle.net/10862/993
Suggested Citation
Emata, A. C., Borlongan, I. G., & Damaso, J. P. (2000). Dietary vitamin C and E supplementation and reproduction of milkfish Chanos chanos Forsskal. Aquaculture Research, 31(7), 557-564.
DOI
10.1046/j.1365-2109.2000.00467.x
ប្រធានបទ
fecundity ASFA; feeding experiments ASFA; fish culture ASFA; fish larvae ASFA; nutritional requirements ASFA; vitamin C ASFA; vitamin E ASFA; Milkfish AGROVOC; Chanos chanos AGROVOC
Taxonomic term
Chanos chanos GBIF
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