Officials say it happened last November after the 1-year-old dog nipped at several people during a family argument.
The boys received a deferred sentence with six months of probation and mandatory community service.
A Michigan woman who had about 90 dogs and puppies removed from her farm has been sentenced to five years of probation on an animal cruelty charge.
A 71-year-old woman who was convicted of animal cruelty in the death of one horse says the animal must have been poisoned by someone else.
Investigators found nearly 100 large-breed dogs and puppies, mainly poodle mixes, living in what were described as disgusting conditions.
A woman has been arraigned on animal cruelty charges after authorities removed about 90 dogs and puppies from her property northwest of Detroit.
Officials say the large-breed dogs and puppies, mainly poodle mixes, were being sold online.
An arrest warrant has been signed for 29-year-old John Montross of Deerfield Township.
Some Michigan Humane Society staffers will be spending the night in doghouses this week, as part of an effort to raise awareness about the dangers of leaving pets outside in freezing temperatures.
Officials found at least nine dead ducks.