We've known this for a while, and is backed by research. In a double blind study published in 2013, the conclusion was :
"...Supplementing diets with BC (bovine colostrum) also resulted in significantly increased gut microbiota diversity and stability in the test group. In conclusion, diets supplemented with BC significantly influence immune response in dogs."
RunFree is the ideal colostrum supplement with many happy pet owners often astounded at the response from their pets. So m much so, many of them start taking it themselves! And so they should...we do ourselves too..we have our parent company www.igbioscience.co.uk which offers colostrum for us peeps..:-)