From the prophylactic point of view, better than a single vaccine combined vaccine, Zhengzhou City, the sound processing equipment, the use of more than 4 t date intervals between shots as well, urban sewage treatment and disposal equipment prices, if it is arranged for it, Livestock may be spaced about 2 t sound processing equipment. But some vaccination has its particularity, data show that after using IB vaccine must be spaced 10 t Nt can be inoculated seedlings Nt otherwise interfere with the formation of antibodies, but Nt IB Miao Miao and does not interfere with the use of safe disposal of livestock equipment. 8 t ILT vaccine in prevention can not be applied after Nt seedlings, disease animal sound processing equipment manufacturers, because Nt ILT vaccine can interfere with the formation of antibodies harmless poultry processing equipment. In short, two or more kinds of live poultry vaccination should not be mixed with sound processing equipment. The company combined vaccine manufactured home is another matter harmless livestock handling equipment. Three blind: think any shot can be mixed as well as interference and antagonism between everyone knows, vaccination and vaccination, resulting in ineffective for preventing or fallback harmless livestock handling equipment. Since duck infectious diseases are more species vaccination is also more frequent full-time really to prevent pigs who adds a lot of trouble, some pigs households often arbitrary two or more different kinds of shots mixed The results of prevention effect is unsatisfactory, a common and IBt Miao Miao to Nt mixed, Nt Miao Miao mixed with IB, Nt vaccine mixed with ILT vaccine, and some even after the dilution was added Nt Nt I Seedlings and other off live oil seeps in livestock harmless injection equipment.