Food and water deprivation effects on reproduction in female Blattella germanica |
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| Authors: | Edward J Durbin and Donald G Cochran |
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| Institution: | (1) Department of Entomology, Virginia Polytechnic Institute and State University, 24061 Blacksburg, VA, USA;(2) Present address: Department of Biological Sciences, Bowling Green State University, 43403 Bowling Green, OH, USA |
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| Abstract: | The effects of food and water deprivation on survival and reproduction of adult female German cockroaches were examined. Females, maintained under constant conditions, were deprived of food or water following adult maturation, mating, during the oothecal incubation period, and after first oothecal hatch. It was found that both food and water deprivations caused increased mortality, delays in the reproductive cycle and decreased oothecal hatch. The relative importance of food vs. water deprivation on reproduction is discussed along with possible reproductive strategies for this species.
Résumé Les femelles, maintenues en conditions constantes, ont été privées d'aliments et d'eau après la maturité imaginale, l'accouplement, pendant la période d'incubation et après l'éclosion de la première oothèque. On a observé une mortalité accure, un retard dans le cycle de reproduction et une diminution des éclosions de l'oothèque. L'importance relative de l'alimentation par rapport au jeûne hydrique sur la reproduction est discutée en relation avec les stratégies reproductives possibles de cette espèce. |
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| Keywords: | Blattella germanica German cockroach females reproductive cycle food and water deprivation |
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