According to the authors of a new study, probiotics may reduce some of the Official Catfish Sumo Vintage 2020 Shirt negative effects of stress caused by catfish farming while improving other production indicators such as growth and rate. feed conversion.
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An article recently published in the Web of Conf Conference has tracked the progress of Clarias, the African pointed-toothed catfish, during a three-month feed test, of which several The animals were given probiotics Bacillus subtilis and Bacillus.
The researchers wanted to determine whether supplementing with aquafeed with probiotics alleviated some of the catfish’s bio-stressful experiences in closed production environments. The Official Catfish Sumo Vintage 2020 Shirt team specifically focused on cortisol levels (a hormonal index that increases stress), antioxidant activity, and micronucleus imaging (stress cell index).
At the end of the trial, the team noted that catfish fed a probiotic supplement had 2.8 times lower cortisol levels than fish in the control group. The catfish in the probiotic group also showed enhanced antioxidant enzyme responses, meaning they were more resistant to environmental stress. The micronuclear tests showed that fish in the probiotic group had 5.7 times less cell damage than fish in the control group.
The researchers kept two groups of catfish in a closed water system for the duration of the follow-up. The first cohort was used as a control and fed a balanced feed from Coppens. The second group received the Official Catfish Sumo Vintage 2020 Shirt same food, supplemented with Sporothermin probiotics at a dose of 4g per kg of feed. Laboratory tests showed that catfish in the control group had 2.8 times higher blood cortisol levels than catfish fed probiotics. Peroxidase and catalase levels were significantly lower in the control group – catfish fed a probiotic had 2.7 times higher levels of antioxidants.
Micronuclear tests showed that the catfish in the control group suffered more cell damage during the test. Sporothermin has a protective effect on the nucleus of the cell. The researchers estimated that catfish fed the probiotic had 5.7 times less nuclear damage than the test. The researchers concluded that the bacillus subspecies in the probiotic rebalanced the gut microbiota in the catfish, helping them improve their ability to cope with production challenges.