SUCCEED® Equine Fecal Blood Test Technology
The SUCCEED Equine Fecal Blood Test includes proprietary antibody technology to detect trace amounts of blood, invisible to the human eye, in a horse’s feces as a sign of GI tract conditions. This technology utilizes antibodies to unique components of equine blood proteins to create the results.
Test A utilizes antibodies to equine albumin, which is susceptible to breaking down in the face of digestive enzymes delivered by the common bile duct in the duodenum (the first section of the small intestine). A positive Test A indicating the presence of albumin in your horse’s manure suggests that bleeding is occurring in the hindgut, past where this enzymatic activity would have occurred (i.e., caudal to the common bile duct). The blood protein marker detected by Test H is equine hemoglobin, which is more resistant to these digestive enzymes, acids and bacteria throughout the GI tract. A positive Test H indicating the presence of hemoglobin in the horse’s manure could result from bleeding anywhere in the GI tract.
Administering the SUCCEED® Equine Fecal Blood Test
Reading SUCCEED® FBT Results
Generally speaking, you may detect a non-bleeding ulcer in the colon (resulting in a positive Test A result only), but are not likely to see a positive test result for a non-bleeding stomach ulcer with the SUCCEED FBT. Refer to the instructions for complete details.
In all cases, professionals should take care to use multiple diagnostic indicators, such as gastric endoscopy, CBCs and gross observation, in conjunction with the SUCCEED FBT for a complete and accurate diagnosis. For practitioners experiencing a positive Test A without a positive Test H, one of the differential diagnoses should include a protein-losing enteropathy, especially in the presence of hypoproteinemia/hypoalbuminemia on a CBC/chem profile.
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