宜昌未来城市规划.doc

宜昌未来城市规划
宜昌城市规划修编 推进现代化特大城市建
规划引领 科学发展
奋力推进现代化特大城市建设
近年来，宜昌市规划局在市委、市政府领导下，按照“四个一流”的要求，坚持以规划为引领，不断创新城市规划工作思路和工作方法，easing the fecal excretion of copper and zinc. Regardless of breeding size, or free-range, chicken in the selection or arrangement of the place, there must be awareness of environmental protection and people-oriented concept. At the time of planning, to chicken production and people's living environment, environment and farm waste disposal aspects coordinated and organized on an equal status, it should be run through the design, construction and production of three aspects of the entire
1现代化特大城市宏伟蓝图
environment. In chicken diets composed of grain feed class and its by-products account for a considerable proportion. Such high total phosphorus content in feed, but most of its (65%~80%) combination of phosphorus and phytic acid (phytate), poultry low phytic acid phosphorus utilization capacity. According to reports, young birds of phytate phosphorus utilization is about 30%, adult birds is about 50%. Thus, phosphorus in plant feedstuffs alone cannot meet the needs of poultry would have to add inorganic phosphorus sources (mainly calcium hydrogen phosphate, bone meal, fishmeal, meat and bone meal also fall into this category), and total phosphorus in the diet increased. Today's lack of inorganic phosphorus sources throughout the world, has become the third more expensive feed ingredients in feed costs, 1 gram of inorganic phosphorus prices far beyond the price of 1 g of high quality protein. Increased feed costs on the one hand, and discharge large amounts of phosphorus from the waste, causing serious environmental pollution. When used in poultry feeding when high level of Cu and Zn, significantly increasing the fecal excretion of copper and zinc. Regardless of breeding size, or free-range, chicken in the selection or arrangement of the place, there must be awareness of environmental protection and people-oriented concept. At the time of planning