 The massive amount of fruits and vegetables consumed daily by the zoo's animals are acquired free of charge through an agreement Shulov worked out with Israeli companies that tithe their produce in accordance with Jewish law.During the days of the Temple in Jerusalem, "terumah", a tithe on agricultural produce, was designated for the kohanim (priests) and their animals.After the destruction of the Temple, the rabbis decreed that the tithed produce could not be used and had to be destroyed.