More recent investigations have assumed the flatulence potential of legumes based on their nutrient profile (black - eyed peas) or objective observations by participants (soybeans) rather than direct quantification of flatus with human subjects [30, 31]. (nutritionj.biomedcentral.com)
Mixed soluble and insoluble fibers can also contribute to flatus in some dogs. (cedarbayouanimalclinic.com)
It may be necessary to try a couple of different things in order to find the «best fit» for a specific dog with objectionable flatus. (cedarbayouanimalclinic.com)