From: The gut microbiome of horses: current research on equine enteral microbiota and future perspectives
Factor | Effect on organism abundance | Organisms in enteral microbiome | Reference |
---|---|---|---|
highly concentrated (grain) feed | increase | lactic acid bacteria, especially Streptococcus spp. and Lactobacillus spp. | |
high-starch fed | increase | Succinivibrio | [28] |
high-starch fed | decrease | Clostridiales, Lachnospiraceae | [28] |
haylage | putative increase | Fibrobacter succinogenes, Fibrobacter intestinalis | [106] |
grass-based diet | increase | Bacteroidetes, Lachnospiraceae Bacillus, Lactobacillus, Streptococcus | [181] |
grass-based diet | decrease | Fibrobacter, Ruminococcus | [181] |
high oil and high starch diets | increase | Proteobacteria | [28] |
increasing age | increase | Euryarchaeota, Actinobacteria, Bacteroidetes, Chlamydiae, Chloroflexi, Planctomycetes, Spirochaetes, TM7, Verrucomicrobia | [182] |
increasing age | decrease | Proteobacteria, Gammaproteobacteria, Enterobacteriaceae, Enterococcus | [182] |
domestication | lower | Methanocorpusculum | [101] |
pH below 6.0 | decrease | Ruminococcus albus, Fibrobacter succinogenes | [6] |
pH below 6.0 | increase | Streptococcus bovis, Lactobacillus spp., Mitzuokella spp. | [6] |
parasite egg burden | decrease | Bacteroides, Clostridium XIVa, Ruminococcus, unclassified Lachnospiraceae | |
parasite egg burden | increase | Clostridium IV, Coprococcus, Anaerovibrio, Agreia, Oscillibacter, Turicibacer, unclassified Cystobacteraceae, Campylobacter, Bacillus, Pseudomonas | |
laminitis | increase | Lactobacilli, Escherichia coli |