The Collaborative International Dictionary
Overbreed \O`ver*breed"\, v. t. To breed to excess; as, the bulls were so huge and overbred no matador wanted to fight them.
Wiktionary
vb. To breed excessively.
Usage examples of "overbreed".
Without a self-perpetuating web of interdependent organisms, everything we do will either undo itself in less than a generation or else overbreed without natural controls.
Enough to keep the herd going given climate changes or whatever, not so many they could overbreed or wander off the reservation, but the population drops rapidly.
You see, Ludwig, they overbreed, it goes in cycles, when there are too many of them they panic and run off looking for food.
It is God's finger pointing the way to the clean hard life at sea, away from the grubbing and filth, from the overbreeding and the sickness!
Even as we try to find a way to insure that sapient man will not consume his planet in nuclear fires, a rising chorus warns us that man may very well exhaust his earth either by overbreeding or by inordinate demands on its resources, or both.
Plant yields are as high as they will go—we're seeing bad effects of plant overbreeding already.
One species takes root, then overbreeds and destroys the environment.