When money is borrowed, interest is typically calculated as a percentage of the principal, the amount owed to the lender. The percentage of the principal that is paid over a certain period of time (typically a year) is called the interest rate. Interest rates are market prices which are determined by supply and demand.
Swollen nipples in dogs is a common symptom seen in mastitis. Mastitis occurs when there is an infection of the mammary glands. Mastitis is common in female dogs who are in the process of nursing. In mastitis, the dog's mammary glands become swollen and painful. The milk is toxic in affected nipples.
If you notice that your dog has a swollen belly, especially if the abdomen is painful, she is eating less, having problems breathing, and also has a thin face or muscle loss in other parts of the body; get help from your vet as soon as possible. If your dog is in pain do something right away. A swollen and painful belly is an emergency!