Pine needle processing and feeding pigs gain weight faster
Pine needle powder is a rich source of nutrients, containing 11% to 12% crude protein, 9% to 11% crude fat, 1% to 1.5% calcium, 0.05% to 0.1% phosphorus, 1000 to 1300 mg of chlorophyll, 300 to 400 mg of carotene, and 500 to 600 mg of vitamins. It also includes 18 essential amino acids and 7 trace elements, with a relatively high concentration of selenium, which helps prevent conditions such as white muscle disease, rickets, and vitamin deficiencies caused by selenium deficiency. When added to compound feed at a rate of 3% to 5%, it can increase the average daily weight gain of pigs by 15% to 20%, shortening the fattening period by 20 to 30 days while improving meat quality and lean meat ratio by 3% to 5%.
As a feed additive, pine needle powder is non-toxic and does not leave harmful residues in animal products, making it safe for use and increasingly popular among farmers who are embracing natural and green food trends. However, when used in higher concentrations—up to 5% to 10%—it can raise production costs, waste resources, and affect the taste and nutritional balance of the feed. Livestock may reduce their feed intake, and the active components in pine needle powder are unstable, leading to inconsistent growth promotion.
To address these issues, many farmers have started using pine needle infusion instead of powdered pine needles in full-mixed feed, achieving excellent results. The process involves crushing, cooking, pressing, filtering, settling, and separating pine needles to extract the active ingredients. Each meal is supplemented with 1.5 to 2.0 ml of the infusion, given 2 to 3 times a day. Pigs quickly adapt to this addition, showing improved growth rates within 3 to 7 days. A total of about 500 ml per pig is sufficient, making it an easy-to-use, reliable, and effective solution for enhancing livestock performance.
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