What are signs and symptoms of dehydration?

Signs and symptoms of dehydration include: Initially, pigs are trying to drink unsuccessfully. Thirst, lack of appetite and constipation. Nervousness and pigs wandering around apparantly blind. Incoordination – Nose twitching just before intermittent convulsions. Always check the water supply, especially if pigs are not eating. Signs develop within 24 to 48 hours.