Nottinghamshire Police were called at 3:30 pm on 6 October and believe two XL Bullys attacked the other dog in West Bridgford.
The pet was left with injuries to its chest, back and legs in the incident.
The attack took place in Adbolton Lane.
Rushcliffe Neighbourhood Policing Inspector Tim Cuthbert said: “This must have been a distressing incident for the injured dog’s owner.
‘Our inquiries are ongoing to understand the full circumstances of what happened and we are urging the owner of the offending dog to come forward and speak to us.”
Anyone with any information is asked to call Nottinghamshire Police on 101, quoting incident 474 of October 6, 2023. Crimestoppers can also be contacted anonymously on 0800 555 111.
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