The Humane Society says the dead female boxer-mix puppy was found Tuesday behind a vacant house in the St. Louis County town of Overland.
He told investigators the cattle in the pond fell through ice during the winter.
The dog, named Brownie by rescuers, eventually died.
St. Louis County police say they have arrested two juveniles on suspicion of animal abuse in response to a Facebook video of a boy beating a puppy.
34-year-old Amy Taylor of Bridgeton was sentenced to the shock time on Friday and ordered to pay veterinary bills for the 2-year-old dog, Coco.
A St. Louis area man named Greg is taking Trooper home for Christmas.
55-year-old Grieg Ragen of Villa Ridge was convicted of felony animal abuse in September and sentenced Wednesday.
After months of treatment, including seven surgeries, and time in a foster care program, that dog, Trooper, is ready for a new home.
The three-month-old Labrador retriever mix was found on September 25 dragging himself along Highway 30 in Jefferson County.
She was a female Dalmatian mix. Injuries to her rear legs had been untreated for several weeks which resulted in injuries up to the knees of both legs and gangrene up to her ankles.