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Effect of light quality and eyestalk ablation on ovarian maturation in Penaeus monodon
; Primavera, Jurgenne 
Prawns were subjected to the following treatments: blue light, red light, natural light, and natural light plus unilateral eyestalk ablation. Unablated prawns under blue and natural light developed stage III ovaries; under ...
Effects of different sex ratios on maturation, fecundity and hatching rates of ablated Penaeus monodon wild stock
; Primavera, Jurgenne ; (Fisheries Research Society of the Philippines, 1980)
; (Fisheries Research Society of the Philippines, 1980)
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 ...
Effect of substrate types on fecundity and nauplii production of ablated Penaeus monodon Fabricius
; Primavera, Jurgenne ; (Science and Technology Information Institute, Department of Science and Technology, 1980)
; (Science and Technology Information Institute, Department of Science and Technology, 1980)
The survival, spawning, fecundity, and nauplii production of ablated Penaeus monodon females reared in flow-through broodstock tanks with white coralline and black sand substrates for 62 days, were assessed. Prawns exposed ...