The RSPCA is to make savings across the organisation after incurring investment losses of £8.8 million.
A spokeswoman for the charity said that no aspect of the RSPCA's work "would be left unscathed
after council members ordered a belt-tightening for the next financial year to ensure the organisation spends no more than its income.
The RSPCA's reserves, as of December last year, stood at £34 million - £6 million below the level recommended by the Charity Commission.
The charity's 25-member council will meet in September to decide where the cuts will fall.
The spokeswoman said that the RSPCA's headquarters, its 10 regional offices and its animal hospitals and centres could all be affected.
"We are being prudent by trying to safeguard the work we do and the jobs of staff,