A bad dog --- jumps into a manger --- does not eat fodder --- does not let the ox eat it.
There lived a farmer in a certain village. He had many cows and oxen. His dog kept watch at night, and he did not let any thief or stranger come near the cattle. But it was very ill-natured. It jumped into the manger of an ox one day. It could not eat grass itself. But it did not also let the ox eat it. “Why do you prevent me from eating my fodder. “It said to the dog, “When you cannot eat it yourself?” Even though I cannot eat it myself,” replied the dog, “no one else will have it. “The poor ox kept quiet, because he did not like to pick a quarrel with it.