
10/04/05, 04:47 AM
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Join Date: Nov 2004
Location: New Zealand
Posts: 2,558
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Hi Mary,
Over here it is illegal to dehorn cattle of that age without local anaesthitic and the preferred method is to use obstetric saw wire. You will definately need to have the use of a head bail and if possible, choose a cool windy day with no rain in sight. As has been mentioned, the horn opens into the sinus canal and if water gets into it you will have, at best, a very sick animal, at worst, a dead one.
What do you intend to use these animals for. I only ask because I leave the horns on all the cattle I intend to keep on-farm. Ergo, all my milking cows, the bull and anything grown for the freezer still have their horns. The only ones dehorned are those that will eventually go to the works. I don't find horns a problem. I do lease a bull once a year to put back over the daughters of my existing bull and always ensure that it is an Angus so that I don't have the problem of dehorning offspring.
As Ox said, dehorning is a thankless task and I hate it in older animals, but if your going to use a vet, there shouldn't be too many problems.
Cheers,
Ronnie
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