نتایج جستجو برای: parasite
تعداد نتایج: 39092 فیلتر نتایج به سال:
Two hundred forty seven species of parasites from Iranian freshwater fishes are presented in this synopsis. The parasites were recorded from infestations in fish from different parts of the country and summarized according to host species, organs were the parasite infestations occurred, province, faunal region and reference numbers. The following aspects of parasite infestations were a...
Introduction: This note addresses the scientific study of behavioral changes caused by Toxoplasma. About a third of the world's population is infected with the chronic form of the parasite, which is usually asymptomatic and causes severe symptoms only in the presence of the parasite in the eye and nervous system. The study of behavioral changes caused by this parasite has begun since the 1980s ...
The present study was conducted to evaluate the status of the parasite fauna in Acipenser persicus at different development stages, in order to find prevention protocols for parasitic diseases in this valuable species. For this purpose, sampling from each sex breeder, 10 egg samples, 5-day-old larvae (n = 20), 20-day-old larvae (n = 80) and fingerling of A. persicus (n = 60) r...
Abstract Contamination of Lekki lagoon by petrogenic chemicals such as polycyclic aromatic hydrocarbons (PAH) and benzene, toluene, ethylbenzene, xylene (BTEX) has been widely reported. The study was aimed at investigating the bioaccumulation PAH BTEX in Malapterurus electricus collected from Lagos, Nigeria. analyzed intestine, water, sediment samples using 8260B Agilent 7890B gas chromatograph...
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