 Diagnostics of maldigestion / malabsorption
For the examination from serum we need approx. 0.5 ml serum. For the examination from faeces we need a sample the size of a cherry and from urine 2ml are sufficient.  | Parameter | | Material | | Method | | Species | | Duration
(days) | | Remarks | |
| | TLI (Trypsin-like Immunoreactivity)
| | serum | | EIA | | dog, cat | | dog
2
cat
10 | | - The animal must have been fasting for at least 12 hours.
- Substitution therapy does not interfere.
| | | | | | Vitamin B12 | | serum | | LIA | | dog,
cat | | 1 | | - decreased with „bacterial overgrowth“ and EPI
| | | |
| | Folic acid
| | serum | | LIA | | dog,
cat | | 1 | | - increased with „bacterial overgrowth“ and EPI
- decreased: absorption disorders
| | | | | | Chymotrypsin | | faeces | | photometric after extraction | | dog, cat
ferret | | 1 | | - a 5 - day diet should precede in order to stimulate the pancreas.
- substitution therapy results in false high values
| | | |
| | Total fatty
acids | | faeces | | spectro-graphic (NIRS) | | dog,
cat | | 1 | | - detection of disorders of fat digestion
| | | | | | Total nitrogen
| | faeces | | chemical according to Kjeldahl | | dog, cat
small pets, large animals | | 1 | | - disorders of protein digestion
- protein loosing syndrome
| | | |
| | Bile acids | | faeces | | chemical-photo-
metric | | dog, cat | | 1 | | - increased with „bacterial overgrowth“
- disorders of fat absorption
| | | | | | Particle size | | faeces | | measuring | | horse | | 1 | | - evidence of insufficient break-up
| | | |
| | Sand content | | faeces | | elution, measuring | | horse | | 1 | | | | | |
|
