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Question

Discuss the methods of processing of condemned carcasses for production of meat-cum-bone meal.

This question was previously asked in
UPSC CSE 2025 (Prelims) CSAT Official Paper (25-May-2025)

Condemned carcasses, which are unfit for human or animal consumption due to disease, spoilage, or contamination, are safely processed into meat-cum-bone meal (MBM) through the method of dry rendering. This process minimizes biological waste, prevents the spread of infectious agents, and converts unusable material into a valuable by-product. The steps include coarse grinding of carcasses to improve heat transfer, followed by cooking under pressure to sterilize, remove moisture, and release fat. Pressing or centrifugation separates tallow/grease, while the solid portion is dried to low moisture levels. Finally, grinding and sieving produce a fine, uniform MBM, rich in protein and minerals, mainly used in regulated animal feeds.

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