Microwave Litter Treatment for Eimeria Oocyst Reduction
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Solution Overview
Problem
Eimeria spp. oocysts cause significant economic losses and health issues in poultry farms, with existing anticoccidial drugs banned due to antibiotic residues and drug-resistant protozoa, necessitating an effective alternative to reduce pathogenicity and mortality.
Innovation Solution
A device using microwaves to irradiate crushed litter in chicken coops, combining a crushing mechanism to recreate a first breeding environment and microwave irradiation to kill oocysts, viruses, bacteria, and fungi, thereby reducing pathogenicity and mortality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anticoccidial drugs are used to prevent Eimeria spp. infection, then disease prevention effectiveness is improved, but drug resistance develops and antibiotic residues appear
Solution Approach 1:
The patent replaces chemical anticoccidial drugs with a physical treatment method using microwave irradiation. The microwave device irradiates the litter to directly kill oocysts through thermal effects, eliminating the need for chemical substances that cause drug resistance and residues. This substitution of chemical treatment with physical treatment resolves the contradiction between effective disease prevention and harmful side effects.
2Productivity
If litter is recycled for multiple breedings, then economic efficiency is improved, but pathogenic organisms accumulate and increase mortality
Solution Approach 1:
The patent applies microwave irradiation to the litter before it is reused in the next breeding cycle. By treating the litter in advance to kill oocysts and pathogenic organisms, the litter can be safely recycled multiple times without accumulating pathogens. This preliminary disinfection action enables continuous litter recycling while preventing pathogen accumulation, resolving the contradiction between productivity and harmful factors.
3Loss of substance
If hardened litter is reused without treatment, then resource waste is reduced, but pathogenicity increases and chicken health deteriorates
Solution Approach 1:
The patent uses microwave irradiation to treat hardened litter, replacing the need to discard and replace it. The microwave energy penetrates the hardened structure and kills oocysts internally without requiring mechanical removal or replacement of the litter material. This physical treatment method preserves the litter resource while eliminating pathogenicity, resolving the contradiction between resource utilization and pathogen control.
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 device effectively reduces oocysts and pathogenic organisms, improving chicken health and reducing mortality, providing economic benefits to poultry farms.
Implementation Method 1
microwaves of a microwave device are irradiated onto the crushed litter, so that various pathogenic organism such as oocysts of Eimeria spp., viruses, bacteria, parasites, and fungi in the litter are reduced or killed
Data Source
AI summary
A device for reducing oocysts of Eimeria spp. uses microwave. In the device, when breeding broiler chickens, litter is recycled for second to fifth breeding after first breeding, and the hardened litter is crushed through a crushing device to form a floor similar to a first breeding environment and simultaneously microwaves of a microwave device are irradiated onto the crushed litter, so that various pathogenic organism such as oocysts of Eimeria spp., viruses, bacteria, parasites, and fungi in the litter are reduced or killed, and thus, pathogenicity and mortality become low, thereby healthily and safely breeding broiler chickens, and accordingly, providing great economic help to poultry farms.