Abstract
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Highlights
Fermentation patterns were investigated in anaerobic cultures of the rabbit caecal contents supplied with starch, hemicellulose, pectin, inulin and sodium lactate
The highest molar proportion of acetate was found in volatile fatty acids (VFA) of cultures supplied with pectin or without substrate
The highest molar proportions of propionate, butyrate and caproate were found in cultures supplied with inulin, sodium lactate and starch, respectively
Summary
Fermentation patterns were investigated in anaerobic cultures of the rabbit caecal contents supplied with starch, hemicellulose, pectin, inulin and sodium lactate. The highest molar proportion of acetate was found in volatile fatty acids (VFA) of cultures supplied with pectin or without substrate. The highest molar proportions of propionate, butyrate and caproate were found in cultures supplied with inulin, sodium lactate and starch, respectively. It has been shown that caecal VFA and low pH inhibit pathogen's proliferation in the caecum (Prohaszka 1980) It follows from these facts that the caecal digestion is one of the factors limiting rabbit performance. We compared production of microbial metabolites (VFA, gas, methane), in in vitro cultures of the rabbit caecal contents supplied with starch, hemicellulose, pectin, inulin and lactate
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