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Dr. Becker addresses the proper way to collect and store a fecal sample. The Buzz addresses the best way to treat diarrhea in your pet.
There are many reasons to take a fecal sample to your pet's next check-up.
A stool test is a medical diagnostic technique that involves the collection and analysis of fecal matter. Microbial analysis (culturing), microscopy and chemical tests are among the tests performed on stool samples.
The stool guaiac test involves fasting from iron supplements, red meat (the blood it contains can turn the test positive), certain vegetables (which contain a chemical with peroxidase properties that can turn the test positive), and vitamin C and citrus fruits (which can turn the test falsely negative) for a period of time before the test.
No laboratory standards have been agreed upon, [41] so recommendations vary for size of sample to be prepared, ranging from 30 to 100 grams (1.1 to 3.5 ounces) of fecal material for effective treatment. [13] [37] [39] [42] Fresh stool is used to increase viability of bacteria within the stool [41] [42] and samples are prepared within 6–8 hours.
The fecal immunochemical test (FIT) is a diagnostic technique that examines stool samples for traces of non-visible blood, which could potentially indicate conditions including bowel cancer. [1] Symptoms which could be caused by bowel cancer and suggest a FIT include a change in bowel habit, anaemia, unexplained weight loss, and abdominal pain.
The test is fast and can be performed in a doctor's office. A patient must not be receiving antibiotics. At least half a milliliter of feces is collected, and a strip of nitrazine paper is dipped in the sample and compared against a color scale. A pH of less than 5.5 indicates an acidic sample. [5]
Dogs with CPV are at risk of intussusception, a condition where part of the intestine prolapses into another part. [3] Three to four days following infection, the virus is shed in the feces for up to three weeks, and the dog may remain an asymptomatic carrier and shed the virus periodically. [ 24 ]