Repositori BKPKProduktivitas dan Mortalitas Periplaneta americana (Linnaeus) (Blattaria; Blattidae)di LaboratoriumMardjanSoekirnoauthorThe study about Productivity and mortality of Periplaneta americana (Linnaeus) (Blattaria; Blattidae) at laboratory was done at laboratory of entomology, Center for Health Ecology Research and Development, National Institute of Health Research and Development, Ministry of Health, Jakarta. P. americana specimens were obtained from the result of catching cockroach at home, then being take care in laboratory. Maintenance place used is transparent plastic tube or bowl with 3 cm diameter and 6 cm high up to 26 cm diameter and 26 cm high, with wood partition inside and covered by cloth or gauze. The maintenance are done in individually and colony. The observation includes the amount of egg capsules (ootheca) produced by every individual female of P. americana; the amount of nymph cracked from every egg capsule; the per month mortality from the nymph taken care colonially; the amount of individual that can reach adult stadium, and sexual comparison at adult stadium. The result of this research indicates that a female of P. americana can produce up to 86 egg capsules. Every egg capsule can produce 13 nymphs in average. The mortality of one month old nymph in average can reach 44.67% - 50.4%, two month old nymph in average can reach 61.33% - 62.49% and three month old nymph in average can reach 66.72% - 68.61%. The amount of individual P. americana that can reach adult stadium is only about 20% - 30%. Comparison between sexual kinds of P. americana at adult stadium is very significant; the amount of female is more than the amount of male.QV 701-835 Pharmacy and Pharmaceutics2003Pusat Penelitian dan Pengembangan Ekologi KesehatanArticle

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