Some studies illustrate that the production of allergens varies by breed making certain dog breeds more compatible with allergic owners than others. (soonervet.net)
They are also related to zinc deficiency, which occurs in pets fed low - quality foods and in certain dog breeds with a genetic tendency to absorb too little zinc. (lowchensaustralia.com)
The disadvantages are more specific than the advantages since having loose, watery stools may be specific for certain dog breeds or individual dogs. (puphow.com)