Multi-Strain Probiotic Composition for Livestock Pathogen Inhibition
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Solution Overview
Problem
The high cost of rearing and replacing cattle due to the prevalence of diarrheal disease (scours) in livestock, which is primarily caused by bacterial, viral, and protozoal infections, and the limitations of current treatments such as antibiotics and vaccines, including the development of antibiotic resistance and the need for prolonged administration of probiotics which can lead to adaptation of pathogens.
Innovation Solution
A composition of multiple strains of pathogen-inhibiting bacteria, including Lactobacillus animalis, Enterococcus faecium, and Pediococcus acidilactici, which are administered as a direct-fed microbial feed additive to competitively exclude and inhibit pathogenic bacteria through various mechanisms like bacteriocin production and metabolite generation, thereby reducing pathogen populations and improving animal health.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antibiotics are used to treat bacterial infections in livestock, then pathogen populations are reduced, but antibiotic resistance develops
Solution Approach 1:
The patent employs probiotic bacteria as a temporary, non-antibiotic intervention that provides pathogen inhibition without creating persistent resistance issues. The probiotics are administered to provide short-term protective effects during vulnerable periods, avoiding the long-term resistance problem associated with antibiotics.
Solution Approach 2:
The patent introduces probiotic bacteria as an intermediary organism that competes with pathogenic bacteria for resources and attachment sites. This intermediary approach provides pathogen inhibition through biological competition rather than direct chemical killing, thereby avoiding resistance development.
2Reliability
If probiotics are administered continuously to inhibit pathogens, then pathogen populations are suppressed, but pathogens adapt to the probiotics
Solution Approach 1:
The patent employs periodic or pulsed administration of probiotics rather than continuous dosing. This periodic action maintains pathogen suppression effectiveness while reducing the selective pressure that would drive pathogen adaptation, allowing the probiotic population to reset and remain effective over time.
Solution Approach 2:
The patent utilizes multiple strains of probiotics with different mechanisms of action and target specificities. This dynamic, multi-strain approach ensures that if pathogens adapt to one strain or mechanism, other strains provide continued protection, preventing overall pathogen adaptation.
3Device complexity
If single-strain probiotics are used, then the composition is simple, but pathogen inhibition is insufficient
Solution Approach 1:
The patent combines multiple probiotic strains with different mechanisms of pathogen inhibition (competitive exclusion, bacteriocin production, metabolite generation) into a single composition. This merging provides synergistic effects that enhance overall pathogen suppression while maintaining composition simplicity through a single multi-strain product.
Solution Approach 2:
The patent creates a multi-strain probiotic composition where each strain contributes different functions (some produce bacteriocins, others excel at competitive exclusion, others generate protective metabolites). This universal approach ensures broad-spectrum pathogen inhibition across different pathogen types and conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The multi-strain bacterial composition effectively reduces pathogen populations, improves animal health, and increases feed efficiency by providing sustained inhibition of pathogenic bacteria, reducing the incidence and severity of scours, and minimizing the development of antibiotic resistance.
Implementation Method 1
These bacteria produce different antibacterials, such as lactic acid, acetic acid, hydrogen peroxide, carbon dioxide and bacteriocins
Implementation Method 2
production of antibacterial agents (bacteriocins) and metabolites (organic acids and hydrogen peroxide)
Data Source
AI summary
A bacterial composition and method that inhibits E. coli O157:H7 growth by as much as 93% and Salmonella growth by as much as 97%, together with commensurate inhibition rates against the Big-Six Escherichia coli strains referred to as the non-O157 STECs that include E. coli O121:H19; E. coli O45:H2; E. coli O103:H11; E. coli O145, E. coli O26:H11; and E. coli O111. The composition is constituted of various combinations of the following unique pathogen-inhibiting bacteria: (1) Lactobacillus animalis; (2) Enterococcus faecium (3) Pediococcus acidilactici.