Bacillus Probiotics for Aquatic Gut Health and Pathogen Control
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Solution Overview
Problem
The aquaculture industry faces challenges in maintaining healthy gut conditions and controlling pathogenic microorganisms in aquatic animals, leading to reduced yields and increased antibiotic resistance concerns.
Innovation Solution
Administration of specific bacterial strains, such as NRRL B-50136, NRRL B-50622, and others from the Bacillus genus, to improve gut health and control pathogens like Vibrio, Aeromonas, and Serratia, which are stable during extrusion processes and effective in reducing pathogenic microorganism levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antibiotics are used to treat pathogenic microorganisms in aquatic animals, then infection control is improved, but antibiotic resistance increases
Solution Approach 1:
The patent introduces probiotic bacteria (Bacillus cereus, Bacillus subtilis, Lactobacillus plantarum) as intermediary organisms that compete with pathogenic bacteria for resources and space in the aquatic animal gut. These probiotics produce antimicrobial substances and occupy ecological niches, thereby preventing pathogen colonization without using antibiotics, thus controlling infections while avoiding antibiotic resistance development
Solution Approach 2:
The patent converts the harmful presence of pathogenic bacteria into a beneficial situation by introducing probiotic bacteria that actively compete with and suppress pathogens. The probiotics transform the gut environment into a hostile condition for pathogens through competition for nutrients, production of antimicrobial compounds, and modification of gut pH, thereby eliminating the need for harmful antibiotics
2Productivity
If probiotic bacteria are administered to improve gut health, then aquatic animal weight and yields are improved, but pathogenic microorganisms may still infect the aquatic animal
Solution Approach 1:
The patent combines multiple probiotic bacterial strains (Bacillus cereus, Bacillus subtilis, Lactobacillus plantarum) into a single composition that works synergistically to protect aquatic animals. This combination provides both growth-promoting effects through improved gut health and robust protection against pathogenic infections through multiple mechanisms including antimicrobial substance production and competitive exclusion
Solution Approach 2:
The patent creates a composite probiotic composition containing different bacterial species with complementary functions. Bacillus species provide spore-based durability and antimicrobial activity, while Lactobacillus provides acid production and gut health improvement. This composite approach ensures both productivity enhancement and reliable pathogen protection
Data Source
AI summary
Compositions and methods for increasing the health of aquatic animals, including fish and shrimp, through the use of Bacillus strains capable of controlling pathogenic microorganisms in the gut of aquatic animals, reducing inflammation in the gut of aquatic animals, and increasing the surface area and length of intestinal villi in the gut of aquatic animals.