Abstract
Histamine is an inflammatory agent that contributes to bovine laminitis. Cattle fed silage-containing rations often have large populations of Allisonella histaminiformans, but this obligate histidine-decarboxylating bacterium could not be isolated from cattle fed timothy hay. The growth of A. histaminiformans was stimulated by yeast extract, protein hydrolysates, and water-soluble extracts of alfalfa or corn silage. Extracts of alfalfa were more potent than corn silage. Because growth and histamine production were not stimulated by Casamino Acids or a mixture of purified amino acids, it appeared that A. histaminiformans requires peptides. The idea that A. histaminiformans requires peptides is consistent with the observation that alfalfa silages often have a large amount of peptide nitrogen.
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Garner, ., Gronquist, . & Russell, . Nutritional Requirements of Allisonella histaminiformans, a Ruminal Bacterium that Decarboxylates Histidine and Produces Histamine. Curr Microbiol 49, 295–299 (2004). https://doi.org/10.1007/s00284-004-4336-1
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DOI: https://doi.org/10.1007/s00284-004-4336-1