نتایج جستجو برای: sand culture
تعداد نتایج: 304996 فیلتر نتایج به سال:
Flagellate infections were found in 1,063 of 18,895 sand flies collected in the states of Amazonas, Pará, Rondonia and Acre, Brazil. Infection rates were 13.4% (species group Shannoni); 7.5% (subgenus Nyssomyia); 6.7% (subgenus Lutzomyia series Cruciata); 0.5% (genus Psychodopygus) and 3.1% for other sand flies (various subgenera). Leishmania braziliensis guyanensis and L. mexicana amazonensis ...
Introduction Soles, as most of flatfishes, live in sandy bottoms in order to guarantee food availability and protection from predators (Kruuk, 1963). In commercial sole culture, the use of sand has been considered a serious obstacle to maintain hygienic conditions (Howell, 1997), but problems arise when they are kept on hard-bottomed tanks without sand. A higher occurrence of Black Patch Necros...
To prevent losses during long-distance shipment, a new delivery system was developed for the mosquito parasite Romanomermis culicivorax. A specially designed shipping container, two types of culture media (sand and a mixture of sand, vermiculite, and charcoal [SVC]), and two types of insert (polystyrene and polyester urethane foam [PUF]) were tested. Cultures shipped in SVC/PUF insert combinati...
Colour photographs of typical nutrient deficiency symptoms in avocados, obtained in water and sand culture under carefully controlled conditions, are presented.
An increase in intracellular Ca2+ concentration ([Ca2+]) and morphological were simultaneously observed by epifluorescence and differential interference contrast (DIC) microscopy during fertilization of the sand dollar, Clypeaster japonicus. [Ca2+], which was detected by a Ca2+ indicator, Fluo-3, initially increased just beneath the sperm-attached site on the egg surface 8.6 sec after attachmen...
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