IFNs belong to the large class of proteins known as cytokines, molecules used for communication between cells to trigger the protective defenses of the immune system that help eradicate pathogens. Interferons are named for their ability to interfere with viral replication by protecting cells from virus infections.
Like humans, dogs have two sets of teeth in their lives. The 28 baby teeth erupt through the gums between the third and sixth weeks of age. Puppies do not have to grind much food, so they do not have molars.Puppy teeth begin to shed and be replaced by permanent adult teeth at about four months of age.Your puppy is right on time for teething!ike humans, dogs have two sets of teeth in their lives. The 28 baby teeth erupt through the gums between the third and sixth weeks of age. Puppies do not have to grind much food, so they do not have molars.
Deciduous teeth, or baby teeth, are normal in dogs. Normally, deciduous teeth appear in puppies at three to four weeks of age, and they should fall out before adult teeth grow in. Here are some basic facts about baby teeth in puppies, and what you should know if something goes wrong with your dog's baby teeth.