But Cumbria Zoo directors attempted to allay fears for the welfare of animals with the introduction of the firm's new curator; Austrian zoo consultant Andreas Kaufmann.
Mr Kaufmann confirmed he had been offered a job at Dalton zoo last year but had turned it down because he did not want to work under the leadership of its founder David Gill.
He said: "The main difference now is that there are professionals in place who cooperate with each other and know the value of expert veterinary advice.
"Now, there is nobody ignorant or non-educated above these decisions.