2. to protect against the dangers of the disease in the area, in order to reduce the contact from animal to animal or from animal craggy unders the economic and health impact.3. in order to reasonably develop and build knowledge. Disease situation, matters that affect chicken nowadays.4. to compare disease management pattern in the area, with a group that is caused by project of PODD.
การแปล กรุณารอสักครู่..
