Garlic is the most potent of all Alliums and is poisonous to most species including dogs, cats, cattle, horses, birds, reptiles, sheep, and goats. It is about 5 times more toxic than onions or leeks. Cats, some Japanese breeds of dogs (e.g., Akita, Shiba Inu and Japanese Chin), horses and cattle are more susceptible to … Continue reading Garlic