40 Colonic bacterial composition and blood cells in horses undergoing a change of diet
Résumé
via contrasts that averaged data by hour over days corresponding to CON, ME and PER respectively. An increase was detected at h 2
in total VFA, acetate, and propionate in PER compared with CON (P < 0.05). Isobutyrate, butyrate and valerate were also increased
at 2 h in PER compared with both CON and ME (P < 0.05). At h 4 there was an increase in total VFA, acetate, propionate, and
butyrate in PER compared with both CON and ME (P < 0.05). Accumulation of isobutyrate and isovalerate was also increased in
PER compared with CON at h 4 (P < 0.05). Valerate concentration in PER was increased compared with ME at h 4 (P < 0.015). It
appears that M. elsdenii survives transit through the foregut and affects microbial fermentation. Because differences were only
detected in PER, it appears that it takes several days following dosing to establish a viable population of M. elsdenii in the equine
hindgut.