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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.
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.
Quantitative fecal fat tests measure and report an amount of fat. This is usually done over a period of three days, the patient collecting all of their feces into a container. The container is thoroughly mixed to homogenize the feces, without using specific mixer equipment. A small sample from the feces is collected.
A sample of saliva can also be collected from the mouth. Excision (cutting out), a surgical method for the removal of solid or soft tissue samples. Puncture (also called centesis ) followed by aspiration is the main method used for sampling of many types of tissues and body fluids.
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.
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]
1 - collecting tube; 2 - cork; 3- collection jar; 4 - cloth filter; 5 - tube for attaching a flexible hose; 6 - flexible hose for breathing air In entomology , an aspirator , also known as a pooter , is a device used in the collection of insects , crustaceans or other small, fragile organisms, usually for scientific purposes.
The volume of the blood sample collection is very important in experimental animals. All nonterminal blood collection without replacement of fluids is limited up to 10% of total circulating blood volume in healthy, normal, adult animals on a single occasion and collection may be repeated after three to four weeks.