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Mass production in concrete tanks of sugpo Penaeus monodon Fabricius spawners by eyestalk ablation
Primavera, Jurgenne 
; ; (Fisheries Research Society of the Philippines, 1978)
; ; (Fisheries Research Society of the Philippines, 1978)
Two batches of 196 and 181 P. monodon females were ablated on one eyestalk in March and July 1977, respectively, and a control batch of 180 unablated females was stocked in July 1977. The females were stocked with males ...
Pond culture of sugpo, P. monodon (Fabricius)
Primavera, Jurgenne ; (BFAR, 1976)
; (BFAR, 1976)
A resume is presented of the practical considerations involved in establishing a sugpo pond culture operation, as a guide to fish farmers, extension workers and others interested in producing marketable sugpo in the ...
Ovarian rematuration of ablated sugpo prawn Penaeus monodon Fabricius
Primavera, Jurgenne ; (Institut National de la Recherche Agronomique, 1978)
; (Institut National de la Recherche Agronomique, 1978)
Spent Penaeus monodon females were tagged around one eyestalk with numbered brass tags, stocked in a concrete tank with males, and periodically examined for ovarian rematuration over a six-month period (February to August, ...
Feeding regimes in relation to reproduction and survival of ablated Penaeus monodon
Primavera, Jurgenne ; ; (University of the Philippines at Los Baños, 1979)
; ; (University of the Philippines at Los Baños, 1979)
Pond-reared P. monodon were stocked in four 12-cu m flowthrough maturation tanks at 25 males and 50 females per tank; females were unilaterally ablated. The combinations of feeds for the morning and afternoon rations were ...
Notes on the courtship and mating behavior in Penaeus monodon Fabricius (Decapoda, Natantia)
Primavera, Jurgenne (Brill Academic Publishers, 1979)
(Brill Academic Publishers, 1979)
Courtship and mating behavior in the sugpo or giant tiger prawn, Penaeus monodon Fabricius, are described. These are divided into three phases: parallel swimming of male and female; male turns ventral side up to female; ...
Observations on artificial fertilization of eggs and embryonic and larval development of milkfish, Chanos chanos (Forskal)
; ; Primavera, Jurgenne ; ; (Elsevier, 1978)
; ; (Elsevier, 1978)
Hydrated eggs obtained from a female milkfish, Chanos chanos, were artificially fertilized with the milt collected from a male injected with acetone-dried pituitaries of salmon. The fertilized eggs (1.1–1.25 mm in diameter) ...
Effect of different stocking densities on survival and growth of sugpo (Penaeus monodon Fabricius) in a milkfish-rearing pond
Primavera, Jurgenne ; ; (STII-DOST, 1976)
; ; (STII-DOST, 1976)
Employing a direct stocking monoculture method, postlarval P. monodon were stocked in 8 compartments of a shallow milkfish rearing pond at densities of 1, 2, 3 and 4/sq m with replicates. Feeding was exclusively natural ...
Survival rates of different Penaeus monodon Fabricius postlarval stages
Primavera, Jurgenne (National Science Development Board, 1976)
(National Science Development Board, 1976)
Four different postlarval stages (P<sub>11</sub>, P<sub>15</sub> , P<sub>21</sub>, and P<sub>25</sub>) of P. monodon were stocked in suspension nets at the rate of 200 fry/sq m with 3 nets for each postlarval stage. Pond ...