Self-matched pig feed master four principles

Reasonable choice of raw materials When choosing raw materials for feed, we must pay attention to the following points: First, pay attention to the type and amount of raw materials. The variety of raw materials should be diversified in order to play a complementary role in nutrition between various raw materials. Commonly used pig feed grain materials such as corn, rice, barley, wheat, sorghum, etc. accounted for 50% to 70%, bran such as wheat bran, rice bran, etc. accounted for 10% to 20%, bean cake, soybean meal accounted for 15% to 20% , animal protein feed such as fish meal, silkworm cocoon powder accounted for 3% to 7%, grass powder, leaf powder less than 5%, shell powder or stone powder accounted for 3% to 3.5%, bone meal accounted for 2% to 2.5%, salt to less than 0.5% . The second is to pay attention to the characteristics of feed ingredients. To grasp the relevant characteristics of raw materials, such as palatability, the content of toxic and harmful ingredients in feed, and whether there is pollution and mildew in feed, etc., poor palatability, the amount of raw materials containing toxins should be limited, severely contaminated, mildewed raw materials Do not choose. The third is to make full use of local raw material resources in line with local conditions and local materials. Fourth, pay attention to the volume of raw materials. In order to ensure that pigs can eat the nutrients they need every day, the volume of raw materials selected must be compatible with the digestive tract volume of the pig. If the volume is too large, the amount of feed needed by a pig can not be completed, which will cause the nutrients to not meet the needs, but also increase the burden of the digestive tract; if the volume is too small, although the nutrients are satisfied, the pig is not full, It will show irritability and affect its growth and development.

Mastering the Pig Feeding Criteria Pigs of different production purposes and pigs of different growth stages have different requirements for nutrient substances. Therefore, different feed standards should be used to prepare diets based on the pig's production purpose, age, and weight.

Processing and brewing should be reasonable in addition to wheat bran, rice bran, fish meal, bone meal and other powdered raw materials, corn, beans, rice and other sub-real raw materials should be properly crushed, raw soybean must be cooked or cooked before use.

The mixing of raw materials should be uniform. All raw materials must be mixed evenly to ensure that the pigs eat all the nutrients they need. Especially when premixes are added, if the feed is mixed unevenly, the pigs are likely to cause drug or trace element poisoning after eating.

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