A major investigation is underway in The Downs in Co. Westmeath after six calves were discovered dumped in a tributary in the Windtown area.
Westmeath County Council says the incident is being treated as illegal dumping, with concerns over potential risks to public health and local water quality.
A multi-agency investigation involving An Garda Síochána and the Department of Agriculture is now in progress.
In a statement, a spokesperson for Westmeath County Council said the failure to dispose of deceased livestock in a responsible and lawful way is "not only an environmental offence" but also "undermines good farming practices" and "poses a risk to the wider community."
Farmers are being reminded that strict regulations apply to the disposal of animal carcasses, and the public is urged to report any suspicious activity.