The Fox Valley Humane Association is concerned about the recent disappearance of seven dogs in Outagamie County.
The collars for all of the dogs have been left behind on tie outs. One of the collars was cut and left behind.
All of the missing dogs are large breeds that weigh more than 75 pounds.
There have been no sightings of any of the dogs since they were reported missing.
The Fox Valley Humane Association is asking anyone with information to call them at 920-733-1717 or contact their local police department.
The Fox Valley Humane Association is also reminding pet owners to be more aware when tying dogs outside and to regularly check on them.