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This is the first study using molecular and culture-based methods aimed at investigating the composition of the intestinal yeast microbiota of wild and reared carnivorous salmonids, croaker and yellowtail, to characterize their cores and to evaluate the enzymatic activities of the cultivated yeast. Among 103 samples from salmonids, croaker and yellowtail,(More)
Due to the negative consequences associated with the use of antibiotics, researchers, and food producers have studied alternatives, such as probiotics, for the control of fish diseases. The probiotic properties of yeasts in aquaculture have been scarcely considered. The present study investigated the probiotic properties of local yeast strains for(More)
When given a choice between an alternative with a low probability of reinforcement and discriminative stimuli, and another with a higher probability of reinforcement and non-discriminative stimuli, pigeons show a clear preference for the former but rats clearly prefer the later. It has been reported that pigeon's suboptimal choice is associated to a(More)
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