Local supplies have run out, so more's being couriered in from around the country.
The group's got about 20 vollies feeding kittens, in shifts, and also fostering them out and taking care of its cattery.
However, finding permanent homes is also getting more difficult.
Balona says if anyone needs financial help to desex their cats, her trust's receiving some funding from Central Lakes Trust, while they're also being well supported by local vets.