Division 2 The surveillance referred to in point 1 must at least include the early detection and investigation in establishments located in an area identified as being at heightened risk for HPAI introduction and spread, of:
United Kingdom
- (a)
any change in normal production and health parameters such as mortality rate, feed and water intake and egg production; and
- (b)
any clinical sign or post-mortem lesion suggesting HPAI.