Now, big cats of Mysuru zoo to be fed chicken instead of beef Updated: Updated: The enforcement of the anti-cow slaughter ordinance led to the closure of beef shops Share Article The enforcement of the anti-cow slaughter ordinance led to the closure of beef shops With the anti-cow slaughter ordinance becoming a law in Karnataka, beef has been replaced with chicken in the diet of the big cats of Mysuru zoo. However, veterinarians will be keeping a close watch on the tigers, lions, leopards and other carnivores at the zoo for any changes in their behaviour or other physiological parameters.