Which of the following is a sign of a potential urinary issue in an animal?

A strong ammonia smell in urine can be an important indicator of a potential urinary issue in an animal. This odor often suggests high concentrations of waste products, which could be due to concentrated urine resulting from dehydration or underlying health conditions such as urinary tract infections, bladder stones, or kidney-related issues. Recognizing unusual smells can provide valuable information for diagnosing urinary problems, prompting further investigation or veterinary care.

Other choices may suggest general discomfort or issues unrelated to the urinary system. Frequent scratching usually indicates skin irritations or allergies, loss of appetite can be a sign of many different health problems not specifically linked to urinary issues, and excessive barking might reflect behavioral concerns or anxiety, rather than a direct connection to urinary health. Therefore, the strong ammonia smell in urine stands out as a specific sign of a possible urinary issue requiring attention.