Diarrhea, vomiting, and a "cute" potbelly as often seen in puppies can be a symptom of a parasitic infection. Other indications of a parasitic or bacterial infection are a general look of unhealthiness and poor coat condition. A visit to the vet and a stool sample will be necessary if you think your dog has a parasite.

You should be aware of what might be transmitted to your pet by a raw food diet, but you shouldn't worry too much. Raw food is being used with great success when it comes to feeding. Some dog nutrition "experts" say you should cook raw food thoroughly to improve digestibility of important proteins. This is simply not true.

Healthy dogs have powerful immune systems that are built to fight off many types of parasites, so infestations are not always going to be harmful. Yearly checks for heartworm and flea control as part of a complete regimen of anti-parasite treatment will keep your pet safe.

It's good to be able to spot the signs though just in case - diarrhea could indicate food poisoning or parasites. Canine parasite and bacterial infections are unpleasant for the animal and can cause serious problems if left unattended.

If your dog's diet is sufficient it should not be necessary to buy nutritional supplements, however a dog nutrition supplement such as FortiFlora, one of the most popular probiotics for dogs, can support their digestion and immune system. Just like in humans, health and nutritional supplements can be used to strengthen immunity, prevent disease and bolster good health.

It is really worth researching the ingredients that go into your dogs food as many commercial brands of food fail to address a healthy diet. The nutritional value of fruits and vegetables for dogs needs to be considered, especially considering the number of dog food brands that contain vegetables, fruits and grains. Common sense and research will reveal the answers.

The main concern that arises is that most of the brands, which declare to be the ideal diet may not be well backed by evidence, and their ingredient lists are proof that they don't have the best interests of you and your pet in mind. For most dogs, a daily or weekly dose of vitamins or probiotics is the only supplement necessary.