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  • Conference Proceedings
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Induced maturation in ablated Penaeus notialis and Penaeus schmitti

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วันที่
1986
ผู้เขียน
Trujillo, Laida Ramos
Primavera, Jurgenne ORCID
Page views
2,043
ASFA keyword
induced ovulation ASFA
shrimp culture ASFA
eyestalk extirpation ASFA
AGROVOC keyword
Penaeus notialis AGROVOC
Penaeus schmitti AGROVOC
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นามธรรม
Wild Penaeus notialis and P. schmitti were induced to mature by unilateral eyestalk ablation of females in 0.5, 1.6 and 2.0-m super(3) tanks stocked at 9-12 shrimps/m super(3). A total of 71 spawns was obtained from 80 P. notialis) females in 2 experiments and 29 spawns from 72 P. schmitti females in 3 experiments over 16-19 days per experiment. Average fecundity and hatch rate were 44,410-64,997 eggs/spawn and 0-71.70% for P. notialis and 41,672-48,083 eggs/spawn and 0-0.17% for P. schmitti , respectively. The low hatch rates throughout the experiment period for P. schmitti , an open thelycum species, and towards the second week for the closed thelycum P. notialis , indicate a failure of spermatophore transfer in the maturation tanks. This lack of copulation may be traced to the high stocking densities and the small sizes of the tanks. Attempts to artificially transfer spermatophores to mature P. schmitti females were generally unsuccessful.
URI
http://hdl.handle.net/10862/288
Type
Conference paper
คอลเลกชัน
  • Conference Proceedings [298]

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