Multi-Strain Probiotic Feed Additive for Calves
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Solution Overview
Problem
The high cost of rearing and replacing cattle due to diarrheal disease, known as scours, which affects pre-weaned calves and is primarily caused by bacterial, viral, and protozoal infections, with existing treatments like antibiotics and vaccines having limitations and leading to antibiotic resistance and reduced effectiveness over time.
Innovation Solution
A composition of multiple strains of probiotic bacteria, including Lactobacillus animalis, Enterococcus faecium, and Pediococcus acidilactici, which are administered as a direct-fed microbial feed additive to inhibit pathogenic bacteria by competitive exclusion, production of antibacterial agents, and colonization of the gastrointestinal tract, thereby reducing pathogen loads and improving animal health.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antibiotics are used to treat bacterial infections in calves, then pathogen populations are reduced, but antibiotic resistance develops and treatment effectiveness decreases over time
Solution Approach 1:
The patent converts the harmful effect of pathogenic bacteria into a beneficial outcome by using probiotic bacteria to outcompete them. The probiotics produce antibacterial agents that inhibit pathogen growth, transforming the problem of pathogen presence into a solution where beneficial bacteria actively suppress harmful ones through competitive exclusion and antibacterial substance production
Solution Approach 2:
The patent introduces probiotic bacteria as an intermediary between the host animal and pathogenic bacteria. These probiotics serve as a mediating force that protects the animal from pathogens through competitive exclusion and production of antibacterial agents, avoiding the direct use of antibiotics and their associated resistance problems
2Reliability
If vaccines are administered to prevent diarrheal disease, then disease incidence is reduced, but vaccine effectiveness diminishes over time requiring repeated administrations
Solution Approach 1:
The patent applies preliminary action by establishing probiotic bacteria in the calf's gastrointestinal tract before pathogenic infections occur. The probiotics colonize the gut and create a protective barrier, preventing pathogen attachment and growth from the outset rather than responding to infections after they begin
Solution Approach 2:
The probiotic bacteria are designed to be self-sustaining in the gastrointestinal tract, where they colonize and continuously provide protection without requiring repeated external administrations. The bacteria establish themselves in the gut environment and maintain protective functions autonomously over extended periods
3Reliability
If probiotic bacteria are administered to inhibit pathogens, then pathogen populations are reduced and animal health is improved, but multiple strains are required to provide sustained protection against various pathogens
Solution Approach 1:
The patent applies universality by designing a multi-strain probiotic composition where different bacterial strains perform complementary functions. Each strain targets specific pathogen groups or provides different protective mechanisms, collectively providing broad-spectrum protection against diverse pathogens including E. coli, Salmonella, and other diarrheal-causing organisms
Solution Approach 2:
The patent uses composite materials by combining multiple probiotic bacterial strains into a single formulation. This composite probiotic composition leverages the synergistic effects of different strains, where each strain contributes unique antibacterial agents and competitive exclusion mechanisms, creating a more robust and comprehensive protective system than single-strain formulations
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 protection against a variety of pathogens, reducing the incidence and severity of scours, and minimizing the development of antibiotic resistance.
Implementation Method 1
inhibit pathogenic bacteria by competitive exclusion, production of antibacterial agents, and colonization of the gastrointestinal tract
Implementation Method 2
inhibit pathogenic bacteria by competitive exclusion, production of antibacterial agents, and colonization of the gastrointestinal tract
Data Source
AI summary
A dairy administered animal feed additive that promotes animal health and growth, reduces mortality and can act as an antibiotic substitute. The additive inhibits pathogen growth resulting in lower pathogen load within the animal and reduced pathogen sheading to the environment. The additive includes bacteria that inhibit 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. The additive includes various combinations of the following pathogen-inhibiting bacteria: Lactobacillus animalis; Enterococcus faecium; and Pediococcus acidilactici.