A vineyard in Berkshire says the frost has had a "big" financial hit on the business.
Two of the traps being used in the search for missing capybara Samba have reportedly disappeared.
Wokingham Borough Council says it will work with GWR to solve long-standing problems.
The children have also been writing poems and making posters and artwork about missing Samba.
Marwell Zoo's chief executive says a similar capybara breakout happened decades ago as the Samba search continues.
Zoo teams are using humane traps and drones as they continue their search for nine-month-old Samba.
Tango did not wander far after the sisters' escape but efforts are continuing to find Samba.
Nine-month-old Samba has been on the run since last Tuesday after escaping from Marwell Zoo.
A petition of nearly 2,000 signatures calls on Wokingham Borough Council to address the issue.
