Abstract
Feeding coarsely ground meal diets has prophylactic effects regarding gastric ulcers and Salmonella infections in pigs. That gave the onset to study the effects of two diets only differing in the physical form (grinding intensity; meal/pellets) in terms of morphological parameters and carbohydrate histochemistry of the intestinal wall. There could not be found any influence of the diet regarding the morphometric character of the epithelial surface in the gastrointestinal tract (GIT). In contrast, PAS (neutral mucins) and AB pH 2.5 (acid mucins) staining of the gut wall revealed significant differences between the two treatments. The most considerable effect was found within the ratio of neutral to acid mucins, while the coarse meal diet resulted in a significant higher proportion of acid mucins what probably has an impact on the adherence capability of bacteria.
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