Hatching waste mainly include: no egg, hair egg, egg shell and so on.
No eggs are mainly used for food, and eggs are also edible. However, attention should be paid to hygiene to avoid poisoning caused by spoilage substances and bacteria. Hairy eggs are generally made by pulverizing and drying and then used as powdery feed. Since the hatching waste contains a large number of egg shells, its calcium content is very high, so care should be taken when using hatch waste. General hatchery waste processing materials can account for 6% of growing chicken diets and 10% for layer chicken diets. Egg shells can be treated with phosphoric acid to obtain calcium phosphate as a source of calcium in the feed.
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