Candling Method in Fish Parasite Detection

The candling method—dating back to ancient times—is a simple yet effective technique used to detect parasites and quality issues in fish.

Originally, people used candlelight or sunlight to inspect fish, spotting any irregularities through thin slices of tissue.

Today, the modern fish industry still relies on candling for quick, cost-effective quality control. Using bright LED lights, inspectors check fish fillets for parasites like nematodes and tapeworms.

Why Candling Matters:
🐙 Quick and Affordable: An efficient, low-cost tool for initial quality checks.
🐡 Consumer Safety: Helps ensure fish meet strict food safety standards.
🐠 Versatile: Easily integrates with other inspection methods.

While candling has some limitations in depth and precision, its combination of tradition and practicality makes it a lasting tool in the fish trade, with potential to improve as new lighting and imaging tech emerge.

Photo Credit: FB Hafiz Borkhan

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