Characteristics Healthy ducks Unhealthy ducks
General condition, first impression Lively Listless, unusually quiet
Weight Good Often light
Growth rate Normal Too slow
Eyes Lively, bright Listless, dull
Cloacae (genital / anal area) Large, soft, moist, pink Shrivelled, dry, discoloured
Skin Soft, loose Wrinkled, dry
Table 2: Main signs of health and illness in ducks.