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Effects of different sex ratios on maturation, fecundity and hatching rates of ablated Penaeus monodon wild stock.

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Date
1980
Author
Pudadera, Rosario A.
Primavera, Jurgenne
Young, Alexander Thomas G.
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Abstract
The minimum number of males per female that would still ensure high maturation, fecundity and hatching rates in Penaeus monodon broodstock, is determined. Wild stock P. monodon were stocked in 4 m diameter circular tanks at different sex ratios (0:1, 1:1, 1:2 and 1:4 male to female) for a duration of 55 days. All females were ablated on one eyestalk. Males remained unablated. The 1 male: 2 females ratio is recommended on the basis of highest percentage of first, second and third spawners, total and average fecundity. In the all-female treatment (0:1 ratio), 19.65% of the females spawned, but the 3.3 million eggs produced were not fertilized, resulting in a 0% hatching rate.
URI
http://hdl.handle.net/10862/1097
Suggested Citation
Pudadera, R. A., Primavera, J., & Young, A. T. G. (1980). Effects of different sex ratios on maturation, fecundity and hatching rates of ablated Penaeus monodon wild stock. Fisheries Research Journal of the Philippines, 5(1), 1-6. http://hdl.handle.net/10862/1097
Subject
sexual maturity ASFA; fecundity ASFA; hatching ASFA; prawn culture ASFA; eyestalk extirpation ASFA; Penaeus monodon AGROVOC; Sex ration
Taxonomic term
Penaeus monodon GBIF
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