Egg-Laying Medium With Non-Consumable Texturing Substrate for Egg Separation
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Solution Overview
Problem
Existing methods for collecting insect eggs, particularly for coleopterans and lepidopterans, are inefficient and not suitable for industrial-scale production, leading to issues such as egg consumption by larvae and low productivity.
Innovation Solution
An egg-laying medium comprising a non-consumable texturing substrate with specific particle size and moisture content, combined with a nutrient substrate and an aqueous gel, facilitates easy separation of eggs from other constituents, enhancing productivity and reducing accidental egg consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If insects lay eggs in their nutrient medium, then reproduction occurs, but larvae consume the eggs and productivity decreases
Solution Approach 1:
The patent separates the egg-laying function from the larval feeding function by using a dual-substrate system. The texturing substrate provides a structured surface for egg deposition, while the nutrient substrate serves as food for larvae. This spatial and functional segmentation prevents larvae from consuming eggs by providing distinct zones for each purpose.
Solution Approach 2:
The texturing substrate acts as an intermediary medium between the female insect and the final egg collection system. It facilitates egg deposition through its specific physical properties (particle size 0.5-2mm, moisture content 10-20%) and enables easy separation of eggs from the substrate, preventing direct contact between larvae and eggs.
2Productivity
If traditional egg collection methods are used, then some eggs are collected, but collection efficiency is low and productivity per unit area is reduced
Solution Approach 1:
The patent optimizes specific parameters of the texturing substrate to enhance egg collection efficiency. The particle size (0.5-2mm) and moisture content (10-20%) are carefully controlled to provide optimal egg adhesion and facilitate easy separation. These parameter changes enable high-density egg deposition while maintaining ease of collection, thereby increasing productivity per unit area.
3Quantity of substance
If a dense substrate is used for egg laying, then eggs are deposited, but separation of eggs from substrate becomes difficult
Solution Approach 1:
The texturing substrate uses porous or granular material with specific particle size (0.5-2mm) that allows eggs to be deposited on and between particles. This porous structure provides sufficient surface area for high egg deposition while maintaining ease of separation, as eggs can be easily removed by sifting or washing through the porous substrate matrix.
Data Source
AI summary
The breeding of insects and the separation of insect eggs from other constituents of an egg-laying medium. An egg-laying medium for insects, comprising at least 75% by weight of a non-consumable texturing substrate in the form of particles, at least 85% by weight of said particles having a size of less than 0.5 mm, and at least 5% by weight of a nutrient substrate, wherein the weight percentages are given in relation to the total weight of the insect egg-laying medium. A laying tray and uses of the laying tray, particularly in a method for collecting insect eggs.