The poodle panted and whined as the scorching sun beat down on the southern Iowa driveway this past summer. The heat index reached 119 degrees, and the dog sat caged in a transport crate for what could have been hours, investigators said.

It was even hotter inside, where puppies yelped — their heart rates high and frantic. Water bowls held brown liquid; flies circled moldy food; gnats and other bugs infested straw beds; and water leaked from the ceiling onto the gaping floorboards, soaking stray wood shavings, according to a federal indictment.

Daniel Gingerich hoarded more than 500 dogs throughout his multiple properties in Seymour, Iowa, which were all in equally poor condition, the American Society for the Prevention of Cruelty to Animals announced on Tuesday. In a federal indictment filed in late September accusing Gingerich of violating the Animal Welfare Act, or the AWA, prosecutors described in graphic detail the dead, malnourished and injured dogs found on his properties.