EFFECT OF FROZEN WHITE WORM (Enchytraeus sp.) ON GROWTH OF PLATY (Xiphophorus maculatus Günther, 1866)
نویسندگان
چکیده
منابع مشابه
Investigation of LC50, NOEC, and LOEC of Oxadiazon, Deltamethrin, and Malathion on Platy Fish (Xiphophorus Maculatus)
Background: The presence of pesticides is very prevalent in surface waters of Iran due to their huge consumption for agricultural purpose. These toxic substances may accumulate in the food chain and cause serious ecological and health problems. Chemical pesticides with persistent molecules (long half-life periods) pose a threat to aquatic life forms and the human population consuming the affe...
متن کاملShort communication: Occurrence of squamous cell carcinoma in a platy fish (Xiphophorus maculatus): A case report
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متن کاملeffect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
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ژورنال
عنوان ژورنال: Turkish Journal of Aquatic Sciences
سال: 2017
ISSN: 2149-9659,2528-9462
DOI: 10.18864/tjas201706