The drug of choice was "dehorn" - denatured alcohol.    From Wordnik.com.  [The Seattle Times] Reference

Mr. Kellogg: Isn't it better to dehorn it and get some new shoots to graft?.    From Wordnik.com.  [Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916] Reference

It is not advisable to attempt to dehorn a number of adult cattle if the operator is not well equipped for the work.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

It is believed, however, that the common practice in top-working pecan, hickory, and walnut has been to dehorn too severely.    From Wordnik.com.  [Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950] Reference

Not enough space really, no forests, no mountain meadows full of wildflowers, but no hairy warriors looking to dehorn us either.    From Wordnik.com.  [Acorna's Search]

In most localities there are men who are well equipped to dehorn cattle, and able to perform this operation for a very moderate fee.    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

They are young, too; and if you'll dehorn them, I believe they'll make your thoroughbreds hump themselves to keep up with them at the milk pail.    From Wordnik.com.  [The Fat of the Land The Story of an American Farm] Reference

It is a good time to dehorn them when about one year old, as they will be more peaceful subsequently than if the horns had never been allowed to grow.    From Wordnik.com.  [Pratt's Practical Pointers on the Care of Livestock and Poultry] Reference

“dehorned” may be a misnomer in many cases as the young calves typically have not started growing their horns yet – it is the growth ring that is cauterized (which is, by the way, probably the most frequent way to “dehorn”).    From Wordnik.com.  [What’s the singular form of ‘cattle’? « Motivated Grammar] Reference

I would like to do ranch work up in Montana, dig postholes in frozen ground, shave sheep with electric barber clippers, dehorn cows, wring the necks of chickens and shuck their feathers in pots of scalding water, shovel boxcar loads of green horse manure in one-hundred-degree heat.    From Wordnik.com.  [The Lost Get-Back Boogie] Reference

Every year around this time we castrate our pigs and dehorn our steers.    From Wordnik.com.  [Toronto Sun] Reference

There is no need to dehorn the cows as their disposition might be best described as contented.    From Wordnik.com.  [WordPress.com News] Reference

So what next, people can't rope their own calves, run them into a pen, dehorn, brand, vaccinate, and casterate because it hurts them.    From Wordnik.com.  [CTV BritishColumbiaHome] Reference

'll never succeed till they dehorn Alvy,' he says.    From Wordnik.com.  [The Fotygraft Album Shown to the New Neighbor by Rebecca Sparks Peters Aged Eleven] Reference

If you want to be civilized, you got to lasso other people's thoughts -- people as has went to and fro and has learned life -- and you got to dehorn them ideas, and tame 'em. ".    From Wordnik.com.  [Lahoma] Reference

They were going to dehorn Fleta?.    From Wordnik.com.  [Out of Phaze]

He didn't like having to dehorn the cattle.    From Wordnik.com.  [Lazy B: Growing Up On a Cattle Ranch in the American Southwest] Reference

But why did you say dehorn the cows? ".    From Wordnik.com.  [The Fat of the Land The Story of an American Farm] Reference