养鸡的防病知识(国外英文资料).docVIP

养鸡的防病知识 First, the key to the management of egg-laying chicken A few weeks before birth is the transition phase of the hens long term birth. This stage is not only to be turned on the group of cage, select and remain out, immunization, feed replacement and increasing light and so on a series of work, which causes the chicken to stress, and this time the hen physiological changes drastically, sensitive, weak adaptability, disease resistance is poorer, if improper management, easy to affect the egg production performance. The management of egg-laying before birth should pay attention to the following aspects. Get ready for the improvement group Chicken coops and equipment have a major impact on the health and production of egg-laying chickens. Turn before the group of the cage to overhaul the henhouse and equipment, carefully check the feeding system, water system, lighting system, ventilation system, drainage system and cage, cage frame, such as equipment, if there is any abnormality should be timely maintenance; The henhouse and equipment to conduct a comprehensive cleaning disinfection, the step is to clean house floor, roof, wall, feces, dust and the dirt from the equipment, with high pressure water to rinse the henhouse and equipment, after being dry spray disinfection disinfection liquid medicine, as well as disinfection of used items. In addition, prepare the equipment, medicine, equipment, record forms and feed, and arrange the feeding personnel. Turn group (1) the age of the caged. Modern form a complete set of high-yield hybrid see egg laying hens generally around 17 weeks, must therefore be cage on 16 ~ 17 weeks ago, the new hens in the antenatal is familiar with and adapt to the environment for a period of time, form a harmonious group of order, and well have enough time for immunization and other work. If it is too late, it will delay the production time and affect the increase in egg production. Chickens that have been produced are likely to be shut down