Walk-Through Livestock Scale with Spray Marking
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Solution Overview
Problem
Current livestock production systems face challenges in accurately and efficiently marking market animals by weight, particularly in small pen sizes, leading to labor-intensive and stressful sorting processes, and increased facility costs due to existing automated systems' inefficiencies and high equipment costs.
Innovation Solution
A walk-through weighing scale system that permanently integrates into the animal's pen, allowing unrestricted passage between feeding and watering areas, measures animal weight, and uses a spray marking device to apply a liquid dye based on pre-set weights, ensuring accurate and stress-free marking, even in smaller groups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If single-animal scales are used for weighing and sorting, then marking accuracy is improved, but labor requirements and time consumption increase substantially
Solution Approach 1:
The patent uses visual markings (dye sprays) as copies or indicators of the animals' weight status, allowing multiple animals to be marked simultaneously without requiring individual handling. The marking serves as a visual copy of the weight measurement result, enabling batch processing while maintaining accuracy.
Solution Approach 2:
The patent replaces the mechanical process of individually weighing and physically sorting animals with an automated system that uses a walk-through scale for continuous weight measurement and a spray marking system for identification. This substitution eliminates the need for manual sorting operations while maintaining measurement precision.
2Productivity
If automated sorting systems are implemented, then labor requirements decrease, but equipment costs and facility utilization costs increase
Solution Approach 1:
The system allows animals to pass through the weighing scale voluntarily without restraint or forced handling. The animals self-service by walking through the scale independently, eliminating the need for complex restraining mechanisms and reducing equipment complexity while maintaining automated sorting functionality.
Solution Approach 2:
The walk-through scale serves multiple functions: it continuously weighs animals as they pass, triggers appropriate marking responses, and integrates with the existing pen infrastructure. This multi-functionality reduces the need for separate specialized equipment, thereby lowering overall system cost.
3Measurement precision
If animals are sorted and weighed individually, then marking accuracy is improved, but animal stress and growth interruption increase
Solution Approach 1:
The system enables continuous weight measurement and marking as animals naturally move through the pen between feeding and watering areas. This continuous operation eliminates interruptions to the animals' normal behavior patterns, reducing stress while maintaining measurement accuracy through uninterrupted weighing.
Solution Approach 2:
The spray marking system serves as an intermediary that provides visual identification without requiring physical restraint or handling of the animals. The marking is applied remotely as animals pass through the scale, eliminating direct contact stress while ensuring accurate weight-based classification.
4Extent of automation
If food court sorting system is used, then automated sorting is achieved, but facilities utilization costs and time to market increase
Solution Approach 1:
The system performs preliminary weight measurement and marking identification as animals naturally move through the pen, before any sorting or separation is required. This preliminary action allows for efficient batch sorting later without delaying market timing, as animals are pre-identified rather than sorted in real-time during movement.
Solution Approach 2:
Instead of forcing animals through a centralized sorting point as in the food court system, this patent inverts the approach by placing the weighing and marking system at the animal's natural pathway between feeding and watering areas. Animals encounter the scale on their own route, eliminating the need for forced routing and reducing time loss.
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 system enhances marking accuracy, reduces stress and growth interruptions, and decreases labor and facility costs by allowing continuous operation and easy maintenance, while ensuring only correctly weighted animals are selected for market.
Implementation Method 1
a walk-through weighing scale system that permanently integrates into the animal's pen, allowing unrestricted passage between feeding and watering areas, measures animal weight
Implementation Method 2
uses a spray marking device to apply a liquid dye based on pre-set weights
Data Source
AI summary
A livestock management system is provided that spray marks animals for sorting or market weight selection. The system includes a pen area partitioned into a feeding area containing at least one feeder and a common watering area containing at least one waterer. A walk-through scale has an inlet open to the watering area and an outlet open to the feeding area. The walk-through scale has a weighing device that determines if the animal is within the specified set weight for marking. The weighing device determines the weight of the animal as the animal center of mass crosses the center of the weighing platform. The system allows spray marking of the animal to be done in a stress free environment that improves overall growth potential.