It may refer to http://www.ldoceonline.com/dictionary/treat_2 Definition#3
Not a teacher.
Student or Learner
Does this "treats" mean "special presents"?
35)A recent report says nearly 50 percent of pets are overweight, and 15 percent of these are unhealthily fat. In many cases, itís the
result of too many snacks and treats. Some experts point to a lack of education, and a lack of knowledge among owners about pet obesity. They tend to treat pets as their own children, and therefore often love them blindly. Lack of exercise is another major factor in the rise of pet obesity. About one in four dog owners, for example, admit to never exercising themselves and their dogs.
not a teacher
In the case of pets, a "treat" relates to the definition that Matthew has linked to. It's usually a small tasty item that's given to a dog, for example, as a reward or just as a snack between its regular meals.