[anonymously]

http://www.homeovet.net/dynamic/php/downloads/dog-c8470f2c75dbe4b683205c3919ee2310/dog_diet_complete.pdf

According to this guide, vegetables should be no more than about 15%-20% of the diet.
Some dogs don’t like them, when I tried it, one dog vomited them up and another had loose stools.