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The study evaluated the effects of intramuscular injection of butaphosphan and cyanocobalamin combination (BPC) on the plasma levels of cortisol, cytokines, and the activities of selected enzymes in Oliveflounder exposed to crowding stress. Three groups of fish (n = 12 per group) were kept in different glass tanks with stocking densities of 46 kg/m3(group BP and SCH) and 15 kg/m3 (group SCL). Group...
The microalga Chaetoceros calcitrans was cultured with three concentrations of vitamin B12 (cyanocobalamin) to supplement the feed for the oyster Crassostrea gigas. In two additional assays, vitamins B12 and B9 (folic acid) were dissolved in the water to increase the methyl donors necessary for the one‐carbon cycle and DNA methylation. Microalgae did not present differences in their concentration...
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