In vitro stimulation of oocytes by presumptive mandibular organ secretions in the shrimp, Penaeus vannamei

Several mandibular organ compounds and their derivatives were assayed in vitro to determine their effects on oocytes from the shrimp, Penaeus vannamei. Pieces of adult immature ovary were incubated for 24 h in modified Medium 199 supplemented with either a steroid or terpenoid hormone. The diameters...

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