منابع مشابه
Artificial propagation of Amazonian catfish in captivity
School of Environment and Natural Resources Ohio State University Extension Columbus, Ohio, USA Leonardo et al. (2004) obtained 100% ovulation in females of P. fasciatum maintained in ponds in Sao Paulo State, Brazil, following hormonal injections of carp pituitary extract (CPE) or human chorionic gonadotropin (hCG). In that study, the most detailed thus far, females released between 17 and 20%...
متن کاملChemical Communication in Lobsters
Lobsters are fascinating animals that use chemicals as messages regarding their sexual status, their standing in a social hierarchy, and whether they affiliate with or avoid conspecifics. This, plus their economic importance, makes them important models for the study of intraspecific chemical communication. Our chapter is an overview of these processes, including the types of interactions betwe...
متن کاملThe ‘‘100 Lobsters’’ Project: a Cooperative Demonstration Project for Health Assessments of Lobsters from Rhode Island
The emergence of epizootic shell disease in the American lobster (Homarus americanus) has been devastating to the fishing industry in southern New England. In response, research was initiated to understand the roles of the environment, pathogens, and pollutants in the ecology and etiology of the disease. A comprehensive project was initiated in which tissues and hemolymph from 100 lobsters were...
متن کاملArtificial Life Model of Dengue Host-Vector Disease Propagation
The paper presents an agent based model of the Aedes aegypti mosquito, which considers mosquito population dynamics and a speci c population control strategy, as well the dengue propagation in mosquito (vector) and human (host) populations. More speci cally, this study concerns the impact that the RIDL strategy (Release of Insects carrying a Dominant Lethal gene) has on the infection period amo...
متن کاملeffects of activating solutions on performance of artificial propagation of luciobarbus xanthopterus and ctenopharyngodon idella
abstract gatan has distributed in the main rivers in khoozestan province and there are few researches on propagation and reproductive system of this species. therefore, this study has focused on using of activating solutions on sperm activity and fertilization capability in gatan fish in comparison with grass carp. in this research, 5 activating solutions together with workshop water and distil...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1904
ISSN: 0036-8733
DOI: 10.1038/scientificamerican10011904-233