Grazing bred chicken is the use of orchards, barren hilly grassland, with meat and eggs as chickens or farmer chickens as breeding objects. The combination of house feeding and stocking allows the chickens to freely eat insects and tender green grasses in the grass and feed them properly. Drink unpolluted clean water. Grazing point selection Generally choose the orchard, pollution-free barren hilly grassland, there are best secondary shrubs, the slope should not be too large, leeward sunny, adequate water cleanliness (to protect the water source during grazing, to prevent pollution), more insects, there are green The grass is rich in nutrition and away from traffic and residential areas. Chicken selection and brooding timing For grazing chickens, it is better to use both chickens and farmyard chickens. The male chicks are better than the mothers and chicks, so that the growth rate is fast, the grazing time can be shortened, and the economic benefits can be improved. Grazing chickens should be bred only when the brood is raised to a certain size. The best brooding time is March to May. When the temperature starts to rise, the sunshine will be sufficient and the survival rate and growth of the chicks will be favorable. At this time, the insects Breeding has begun and the grass sprouts and grows, creating a suitable grazing environment. Prepare and supplement feeding facilities for chickens When the chicks grow to more than 250 grams in the house, they are replaced by short-term grazing training and house feeding. Due to the varied climate in spring, temporary shelters for grazing sites must be kept warm and leak-proof. At this time, the grazing range of the chicken should not be too large, supplement feed should use compound feed, avoid using raw food to feed chicken, feeding time sooner or later, feed less in the morning, feed more at night. Do a good job of safety precautions To strengthen the protection of the surrounding environment of grazing chickens and avoid sudden shocks and noises to disturb the flock, a protective net should be set up around the chickens to prevent the loss of chickens or damage to chickens such as eagles, dogs and weasels, and reduce stress and loss. Do a good job of prevention and treatment of chicken disease Grazing chickens are more likely to be threatened by the disease because of their wider exposure to the environment. In addition, grazing chickens have a relatively long growing period. It is imperative that the epidemic prevention be put in place, and that there should be no disease prevention and early disease control. The growing environment of grazing chickens should be patrolled regularly, and the dead chickens should be buried in a timely manner so that they cannot be abandoned. The weak chickens should be caught and fed separately.
Plant extracts refer to substances extracted or processed from plants (all or a part of plants) using appropriate solvents or methods, and can be used in the pharmaceutical industry, food industry, daily chemical industry and other industries.
There is a conceptual overlap between plant extracts and herbal extracts. The raw materials of plant extracts in my country are mainly derived from Chinese herbal medicines, so domestic plant extracts can also be called Chinese medicine extracts to some extent.
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