Application of active novel neoagaro-oligosaccharides as immunopotentiator for aquiculture
An immunopotentiator, a technology of new agar oligosaccharide, which is applied in the application field of active new agar oligosaccharide as an immunopotentiator in aquaculture, can solve the problems of complex processing process and affect the performance of Chinese herbal medicine, achieve wide efficacy, improve non-specific Heterosexual defense mechanism, the effect of enhancing resistance
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Embodiment 1
[0018] The method and effect of using the active new agar oligosaccharide of the invention as an oral immune enhancer for abalone.
[0019] 1. Configuration of active new agar oligosaccharides and feed
[0020] Biotechnologically treat the agar to prepare agar oligomeric agarose with an average molecular weight of 200-1800Da, with β-D-galactose as the reducing end and 3,6-internal ether α-L galactose as the non-reducing end. The active new agar oligosaccharide of the sugar series refers to the active new agar oligosaccharide with an average molecular weight in the range of 200-1800Da, and the added amount is any concentration within the range of 0.05-10% of the total weight of the feed. Significantly improve the non-specific immunity of fish, shrimp, shellfish and crab, enhance the body's cellular immunity, enhance the activity of resisting bacteria, and can also significantly accelerate its growth and weight gain. In the examples, only the different concentrations of several ...
Embodiment 2
[0032] The method and effect of using the active new agar oligosaccharide of the invention as an oral immune enhancer for tilapia, Penaeus vannamei and Eriocheir sinensis.
[0033] The preparation method of the active new agar oligosaccharide feed is the same as in Example 1.
[0034] Different levels of active new agar-oligosaccharides were added to the diets of tilapia, Penaeus vannamei and Chinese mitten crab. Select healthy and uniform tilapia, vannamei, and mitten crabs and randomly divide them into 9 groups. The average molecular weight is selected in order of 200Da, 400Da, 700Da, 900Da, 1100Da, 1200Da, 1500Da, 1800Da, and the weight of active new agar oligosaccharide For the feeds whose percentages are 0.05%, 0.4%, 0.6%, 0.8%, 3%, 5%, 8%, and 10%, different feeds are used respectively, and the normal feeding and management procedures are used. Group 9 is the control group, which is fed with basal diets. Groups 1 to 8 of tilapia are the experimental groups fed with the fe...
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