Final answer:
The best collection method for urine culture and sensitivity testing in a cat with chronic urinary infections is cystocentesis.
Step-by-step explanation:
The best collection method for urine culture and sensitivity testing in a cat with chronic urinary infections is cystocentesis.
Cystocentesis involves using a needle to directly collect urine from the bladder, which provides a sterile and uncontaminated sample. This method is preferred for diagnosing urinary tract infections because it minimizes the risk of contamination and ensures accurate results.