1, pig feeding principle

(1) According to the demand of pigs for nutrients at different growth stages, according to the nutrition standards of pigs, a full-priced compound feed suitable for pigs in different growth stages is formulated. High-copper and high-zinc diets should not be used for finishing pigs in feeds.

(2) It is prohibited to add β-agonists, sedatives, hormones, and arsenic in feed.

(3) When using feed additives containing antibiotics, the withdrawal period should be implemented according to the relevant guidelines before the commercial pigs are slaughtered.

(4) Do not use spoilage, moldy, worm or contaminated feed. Should not use untreated water, other livestock and poultry by-products.

2, full-price compound feed, concentrated feed and additive premix feed requirements

(1) Sensory requirements: uniform color, no mildew, agglomeration and odor, and different smells.

(2) Product quality requirements: The product component analysis guarantee value should meet the content specified in the label.

(3) Provisions for copper content of trace elements in compound feed: The content of copper in compound feeds for pigs under 30 kg body weight should not be higher than 250 mg per kg; the content of copper in compound feed for 30-60 kg body weight pigs should not be higher than 150 milligrams per kilogram; the content of copper in compound feeds of pigs weighing more than 60 kilograms should not exceed 25 milligrams per kilogram.

(4) Concentration of harmful substances in the feed and the allowable amount of microorganisms and copper content: According to the instructions in the specification, converted into the content in the compound feed, its harmful substances and the allowable amount of microorganisms for feed safety and health indicators shall be enforced.

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