Write down four symptoms of sick animals.

Following are the symptoms of sick animals:
1. Fever with appearance of nodules on skin (in cowpox).
2. Irritation, blisters, and eruptions on the skin surface (in dermatitis).
3. Fever with body swelling and reduced milk secretion (in anthrax).
4. Fever and diarrhoea with blood clots (in salmonellosis).