China is rich in tree resources, rich in protein, minerals and vitamins in the leaves, and more than 100 kinds of tree leaves can be used as feed. Feeding livestock and poultry with leaves has the advantages of low cost, rapid weight gain, high quality and high yield, and is conducive to the improvement of disease resistance. The leaves can be freshly fed, or they can be harvested and then stored in pots and cylinders. After dried and crushed, they can also be fed in winter and spring withered grass. Eucalyptus leaves and leaves contain crude protein 19.1%, crude fat 54%, nitrogen-free extract 44.6%, calcium 2.4%, phosphorus 0.03%, lysine 0.96% and a variety of vitamins, especially rich in carotene and vitamin B2; The protein content of 2 kilograms of loquat flour is equivalent to 1 kilogram of bean cake. Adding 10% to 15% of loquat leaf powder to pig feed can replace fish meal feed. Adding 5% loquat leaf powder to chicken feed can increase egg production rate and increase egg yellow pigment. Pine needles are the leaves of pine trees, not only rich in nutrients (250 mg of pine carotene, 1.2 g of calcium, 320 mg of iron, and mineral elements such as copper, zinc and cobalt per kilogram of pine needle), but also contain phytoncide, which can promote the growth of livestock and poultry. Improve the product rate, prevent gastrointestinal diseases and various vitamin deficiencies, and increase the semen secretion of broilers. According to experiments, adding 6% pine needle powder to the chicken diet can increase the egg production rate by 13% to 15%; adding 4% pine needle powder to the diet of the boar can increase the amount of sperm extraction by 8%. ~10%. Paulownia leaves Paulownia leaf meal contains 19.32% crude protein, 11.11% crude fiber, 5.8% crude fat, 54.83% nitrogen-free extract, 0.21% phosphorus, and 1.93% calcium. Using Paulownia leaves as feed, in addition to providing nutrients, there are also functions such as promoting the growth of livestock and poultry, accelerating weight gain, and increasing the production of layer chickens. According to experiments, weaned piglets weighing 6 to 8 kilograms added 30 grams of paulownia tree leaf powder each day. After feeding for two months, they gained 24% more weight than the control group; 25 to 30 kilograms of shelf-pigs were fed one at a time. 60 grams of paulownia leaf powder was fed for 1 month, and the average weight per head increased by 14% compared with the control group. According to other data, adding 5% of Paulownia leaf meal instead of wheat bran in the diet of chicken can increase egg production by 1.3%, egg weight by 1.7%, and feed cost by 10%. Apple leaves Apple leaves a wide range of sources, high nutritional value (including protein 9.8%, fat 7%, crude fiber 8%, calcium 0.29%, phosphorus 0.13%, ash 10%, nitrogen-free leachate 59.8%), is a good rabbit feed. The leaves of the willow willow leaves contain 11.1% crude protein, 2.11% crude fat, 11.96% crude fiber, 54.13% nitrogen-free extract, 0.57% calcium, 0.08% phosphorus, and many amino acids. The main nutrient content is higher than the average. Forage, the crude fiber content is lower than that of ordinary pasture, and the palatability is good. It can be directly beaten and fed to pigs, and it can also be crushed and fed to pigs after fermentation. Mulberry Mulberry is a good feed for chickens. Foreign studies have found that the broilers given 4 weeks before the larvae feed 3% of the mulberry leaf powder in the feed. Compared with broilers without mulberry leaves, the broilers have a finer meat, a stronger aroma and a particularly good taste, and can reduce the number of hen houses. Odor. In addition, the leaves of pear, peach, poplar, eucalyptus, persimmon, citrus, grape, amorpha, apricot, plum, etc. can be used to feed livestock and poultry after proper treatment. The tender fresh leaves generally collected in spring have good palatability and high nutritional value. The young leaves in summer are followed by autumn leaves.
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