UV Irradiation Device for Cattle Vitamin D Synthesis
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Solution Overview
Problem
Intensive stall-fed dairy cattle lack exposure to sunlight, making it challenging to maintain adequate vitamin D levels for milk production, as traditional vitamin D supplementation is inefficient and can lead to hypervitaminosis and increased production costs.
Innovation Solution
An irradiation device for cattle that emits ultraviolet light with a wavelength of 280 nm to 315 nm, specifically designed to mimic natural sunlight, ensuring uniform vitamin D production without the risks associated with excessive supplementation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If vitamin D is added to feed for stall-fed cattle, then vitamin D levels can be maintained, but the dosing precision is poor and hypervitaminosis risk increases
Solution Approach 1:
The patent replaces the mechanical/chemical system of vitamin D supplementation through feed with a physical system using UV irradiation. UV lamps emit ultraviolet light that triggers vitamin D synthesis in the cattle's skin, eliminating the need for precise dosing of vitamin D through feed mixing. This substitution resolves the dosing precision problem by using a physical process that naturally regulates vitamin D production.
2Ease of manufacture
If constant amount of vitamin D is supplemented to all animals, then feed preparation is simplified, but individual animal needs are not met and hypervitaminosis occurs
Solution Approach 1:
The patent replaces the uniform chemical supplementation approach with a physical UV irradiation system that can be applied uniformly to all animals. The UV lamps irradiate the cattle's back area, and each animal's body naturally regulates the vitamin D synthesis based on its individual needs, eliminating the problem of one-size-fits-all dosing while maintaining operational simplicity.
Solution Approach 2:
The cattle's bodies automatically regulate their own vitamin D synthesis in response to UV irradiation. Each animal's skin contains precursors that convert to vitamin D when exposed to UV light, and the body's metabolic needs determine the actual vitamin D utilization. This self-regulating mechanism ensures individual requirements are met without external dosing control.
3Quantity of substance
If UV irradiation device is placed close to animal back for effective vitamin D production, then vitamin D synthesis is enhanced, but animal comfort is reduced
Solution Approach 1:
The patent applies UV irradiation locally to the cattle's back area rather than exposing the entire body. The irradiation device is positioned to target specifically the dorsal region where the skin contains sufficient vitamin D precursors. This localized approach achieves effective vitamin D synthesis while minimizing the area exposed to UV light, thereby reducing potential discomfort or overheating effects.
Solution Approach 2:
The patent uses partial action by irradiating only the back area of the cattle rather than the entire body surface. The UV lamps are positioned to cover the dorsal region where sufficient skin surface area is exposed to achieve adequate vitamin D synthesis. This partial irradiation approach achieves the necessary vitamin D production while reducing the total UV exposure and potential negative effects on animal comfort.
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 increases vitamin D production in cattle, enhancing milk production while avoiding the negative economic impacts of vitamin D hypervitaminosis and reducing the stress and costs associated with blood monitoring.
Implementation Method 1
lighting units arranged on the bottom side of the flat element, said lighting units being the source of ultraviolet light having a wavelength of 280 nm to 315 nm
Implementation Method 2
UV light irradiation has a positive effect on the production of vitamin D in the animals
Data Source
Figure 1~2
AI summary
An irradiation device (100) for animals, preferably cattle, comprising a platelike section (1) formed of at least one flat element (5), preferably a plurality of flat elements, and lighting units (2) arranged on the bottom side of the flat element (5), said lighting units being the source of ultraviolet light having a wavelength of 280 nm to 315 nm.