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Breakthrough in the Limitation of Probiotic Pelleting for Aquatic Animals

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All the intestinal tracts of healthy aquatic animal contain lactic acid bacteria and other probiotics to assist with body function and immune growth. The intestinal tract is the body’s biggest immune organ. Those hosts that lack for a healthy microflora can rapidly die from infection. Hence these probiotics have a symbiotic effect with their hosts. Most of the animals in fisheries are oviparous or viviparous organisms. Unlike the terrestrial animals that acquired their bacteria from their mothers during birth, the eggs from aquatic animals are sterile. The hatched fish or shrimp seedlings do not have any microbial elements on their gills or skin, and their intestinal and immune system development is incomplete, which is the main cause of high mortality. Thus, it is essential to establish healthy microbial flora early. The most direct way is through contact with probiotics through environment and feeding to rapidly improve their immune systems. This is why the water environment and the microflora in the aquatic animals’ intestinal tracts are the key to success.

As not every bacterial strain is suitable for aquatic animals, the probiotics in application in the fisheries require overcoming greater and stricter challenges compared to those for terrestrial animals. In order to pass the baseline requirements and become an aquatic probiotic, the strain needs to be able to survive under high salt, great temperature fluctuation, dissolved oxygen variation and other conditions. Furthermore, it needs to be able to endure the host’s gastric acid and bile salt, and to be able to adhere to the intestinal tract in order to be considered. It also needs to pass the field trials and toxicity test to ensure its beneficial effect. It is only through such complicated strain selection processes that the precious aquatic probiotic can be obtained. SYNBIO TECH INC. has specially developed SYNSEA™, a probiotic for aquatic use. The patent bacterial strain PP4012 can inhibit the Pasteurella multocida and the EMS related vibrio. Additionally, it has also been acknowledged by means of passing the patent recognition and international journal publications

In an experiment applying it to white shrimp (Litopenaeus vannamei), groups were divided into a control group and a SYNSEA™ group for 5 months. The feed intake in the SYNSEA™ group was lower compared to the control group by 25% and there was also a reduction of FCR by 15%. This drastically reduced the cost of feed and yielded more stable growth. SYNSEA™ also breaks the myth of avoiding using probiotics in pelleted feed for those who think the live bacteria are the reasons for its efficacy. It was experimentally proven that SYNSEA™ has the same efficacy in both pelleted feed and mixed feed. The experiment’s results showed that the average weight of the 2 groups who used SYNSEA™ during DOC56 had an increase in average body weight by 28% when compared to the control group. Additionally, the FCR was reduced by 20%. Hence SYNSEA™ probiotic has excellent beneficial effect on the growth of white shrimp (Litopenaeus vannamei)).  

All the intestinal tracts of healthy aquatic animal contain lactic acid bacteria and other probiotics to assist with body function and immune growth. The intestinal tract is the body’s biggest immune organ. Those hosts that lack for a healthy microflora can rapidly die from infection. Hence these probiotics have a symbiotic effect with their hosts. Most of the animals in fisheries are oviparous or viviparous organisms. Unlike the terrestrial animals that acquired their bacteria from their mothers during birth, the eggs from aquatic animals are sterile. The hatched fish or shrimp seedlings do not have any microbial elements on their gills or skin, and their intestinal and immune system development is incomplete, which is the main cause of high mortality. Thus, it is essential to establish healthy microbial flora early. The most direct way is through contact with probiotics through environment and feeding to rapidly improve their immune systems. This is why the water environment and the microflora in the aquatic animals’ intestinal tracts are the key to success.

For more information, please contact us. Or you are welcome to come and visit us at the VIV Asia 2019 Expo, Hall 105 Stand 1044, Bangkok, Thailand, March 13-15.

 
 
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