One happened in a field on Wigginton Road overnight between Friday and Saturday (5-6 January 2024).
The farmer found three dead sheep with puncture marks on them believed to be from a dog.
Another happened just off a public footpath between Rudcarr Lane and onto Holtby Lane, Holtby, during daytime on Friday (5 January 2024).
This resulted in the death of two sheep and other sheep aborted their lambs.
North Yorkshire Police are appealing for information about any dogs that were running loose or out of control in the area.
Also, any vehicles that may have been parked nearby.
If you can help please email caroline.saville@northyorkshire.police.uk or call North Yorkshire Police on 101, select option 2, and ask for Caroline Saville.
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Please quote reference number NYP-06012024-0103 regarding the incident on Wigginton Road and NYP-05012024-0300 regarding the incident at Holtby.