Your cattle: Don’t hesitate — castrate

MOUNT VERNON, Mo. — One of the basic, recommended practices on beef cow-calf operations is the castration of bull calves before they are 2 months old.

Eldon Cole, livestock specialist with University of Missouri Extension, said that in spite of the recommendation, an unusually high percentage of male calves still go through the feeder cattle sale ring as bulls.

Lower price

Leaving the bulls intact usually results in a market discount from $3 or $4 per hundred up to $10 or $12, depending on their weight and current market demand.
“Put another way, the bull calf, compared to a steer, will bring anywhere from $40 to $80 less per head,” Cole said.

Reasons for not castrating the bull calves are varied. Some producers leave them as bulls expecting they will gain more while on the cow. Some never learned how to castrate calves and may be a little squeamish around blood.

But the biggest reason may be a lack of facilities, according to Cole.

The risk of problems increases the longer a calf remains a bull. Also, the eating quality of the beef tends to be reduced according to Cole.

Comparison

An Oklahoma State trial compared the performance of 111 bulls and 204 steers during a 44-day receiving period. The cattle were purchased at various auctions and the bulls were surgically castrated 24 hours after arrival.

The bulls weighed 548 pounds and the steers 524 pounds. During the trial the bulls had higher morbidity (42.3 percent vs. 23.4 percent) and higher mortality (11.3 percent vs. 3.9 percent).

Medicine costs per head were greater for the bulls, $12.30 compared to $2.54 for the steers.

The daily gains during the trial favored the steers, 3.63 pounds to 2.97 pounds for the bulls.

Little incentive

The Oklahoma study, according to Cole, shows there may not be that much of an incentive to buy the bulls and upgrade them.

“Failure to castrate before weaning opens up profit opportunities for the backgrounder who buys the bulls at a discount then takes the risk to castrate them,” Cole said.

However, most backgrounders admit they’d prefer to buy steers rather than have to clean-up a lot of bull calves or yearlings after each purchase.

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