More than 50 allegedly maltreated horses are receiving rehabilitative care after being seized from a farm Hill County, Texas, farm.

Hill County Sheriff Rodney B. Watson said authorities seized 52 horses residing on overgrazed pastures without access to other food or water from a farm near Itasca on Nov. 15. The remains of another 16 to 20 horses were found in shallow graves at the back of the property, he said.

“They were calling themselves a rescue,” Watson said of the property’s owners.

Although the animals’ body conditions remain under investigation, at least some of the horses appeared to be severely malnourished, Watson said