If one of Willyne McGill's girls shows up open at ultrasound time, the criteria for keeping her is simple. "She better be walking on water."
To be clear, it all comes down to economics. While costs for carrying an unbred cow for a year are highly variable, Matthew Burns says he's seen numbers from $400 to $800 for South Carolina, where McGill ranches with husband, Ned.
"It may be a lower-input grazing operation, or they may have to feed a lot of supplement," adds Burns, Clemson University Extension beef specialist. But whatever the case, most producers don't feel it's money well spent. "If you can't contribute it to a management mistake you've made—for example, you didn't have her body condition score (BCS) where it needed to be—then she needs to be culled."
McGill says the carrying cost at their operation in the Starr area is at the lower end of that range, but it isn't money she wants to waste. Occasionally, she will hold off on culling a cow that appears to be open or was bred too late in the 120-day breeding season for it to show up on the ultrasound. Those get a recheck by the vet. She also remembers the good ones.
"We had four sets of twins this year," he recalls. "Those cows might get some consideration."
Thankfully, open heifers and cows aren't common for McGill. She says out of 140 females, they normally end up with four or five that have to be culled because they are open. She also culls based on age and condition.
This year, four cows from the Red Angus-Simmental herd were automatically culled because they had reached the 15-year mark. McGill adds, "To stay here, they have to have good feet and legs, a good udder, have good calves, look good and produce good."
Second Chances. Flint Johns believes there are times it's in the operation's best interest to keep an open cow one more season. The ranch manager of Lykes Brothers Inc. says it all goes back to the dollars they've invested developing a heifer.
"Our average cost from weaning to preg-check is $440 a head. That's a lot of money to raise a heifer," the Okeechobee, Florida, cattleman says. "It takes four times as much supplement to develop a heifer as it does to maintain a mature cow."
Johns develops Beefmaster-Brangus replacement heifers to calve as 2-year-olds. During a 105-day breeding season using only natural service, he generally has an 85% preg rate. Mature cows have a 120-day breeding season.
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"As a 4-year-old [cow], I have $1,200 in her. Do I cull her or do I spend $125 on supplement to rebreed her? That is a question I struggle with," Johns admits. In general, she'll get another chance. But, she will be bred to a terminal cross sire, either a Charolais or Red Angus.
While Johns makes a good point for keeping an open cow, at least on his operation, University of Georgia ag economist Levi Russell tends to think like Burns and McGill. "In my mind, the risk is too high to hold onto them," he says. "Our Georgia budgets show it costs $500 to $600 to keep a cow a year. In one year, you've spent $600 and didn't get a calf. Even if there are extenuating circumstances, it is still a risk."
He believes the only way to recoup your losses is to sell her and get salvage value, because if she misses next year, too, suddenly you're $1,200 in the hole. At that point, he notes, the market may not allow you to sell her for enough to recoup those losses.
Clemson's Burns says there is another factor to consider. "Reproduction is a lowly heritable trait. It is hard to make progress just by culling open cows, but I still don't want to keep those genetics around," he says. That's a philosophy that stays the same, even if a producer has both fall- and spring-calving herds, and doesn't have to carry a cow a whole year before attempting to rebreed her.
"If she has started to slip toward the end of the fall-calving season, and you move her to a spring-calving season, usually she starts to slide toward the end of it, too," Burns says.
Purebred Records on Commercial Cows:
When Willyne McGill is trying to decide if a heifer or cow deserves to be a part of her herd, she has plenty of data to help. For 20 years, she has relied on recordkeeping software from the University of Tennessee to help her manage data and make the right decisions.
Known as "Beef Cattle fIRM," the program was developed in cooperation with the Tennessee Cattlemen's Association and grant assistance from the Tennessee Beef Cattle Improvement Association and the Tennessee Beef Agribition. It costs $150 for the original starting software. Reports generated for the cow herd include: inventory lists, calving distribution, Most Probable Producing Ability (MPPA), lifetime production summary and weaning reports. The software also generates reports for bulls, calves and overall herd health.
McGill, who produces cattle in Starr, South Carolina, says she uses the program to create individual records on each cow and to track breeding, progeny, the average weight of progeny and MPPA.
"It takes a lot of work to keep up with the records," she adds. "We keep purebred records on commercial cows, but that's the only way you can keep up with what's going on. It is foolish to say that's a good looking cow, I'm going to breed her. Nope."
Cull Sale Timing:
On average, the sale of cull cows and bulls makes up 15 to 30% of an operation's annual income. So it pays to consider market timing to maximize that income stream.
Clemson University Extension beef specialist Matthew Burns says fall-calving herds have the advantage, since preg-checking and cull cow marketing normally occur at spring weaning.
"Usually, spring is a good time to market them anywhere from the Southeast to North Dakota," he says. "Temperatures are getting warmer, and the grass is starting to green up. It makes people want to buy cows."
If you have a spring-calving herd like the majority of cow/calf producers in the U.S., you may be taking a hit when marketing cull cows at fall weaning. October and November traditionally bring the lowest prices for cull cows, because there's normally a glut of both weaned calves and cows on the market.
Burns says it's a good time to check with neighbors and see if they are in the market for cull cows to graze corn stalks, stockpiled fescue or winter annuals. That can give you the option of holding them until prices start to trend back up based on seasonal averages.
If that's not an option, Utah State University ag economist Dillon Feuz says to look for ways to speed up the fall culling process. This can help you avoid the seasonal price dip, and you'll likely be selling a heavier animal as forage availability and quality are beginning to decrease this time of the year.
"Where possible, culling earlier in the fall will likely result in a higher market price and more weight being sold," Feuz explains. For those producers with inexpensive feed options, holding culls and feeding them to higher weights and grades is another option. Just be sure to factor in health costs and any decreased carrying capacity you may be dealing with to keep the culls.
For More Information:
Beef Cattle fIRM software: https://ag.tennessee.edu/…
Cull Cow Marketing and Feeding Alternatives:http://cattlemarketanalysis.org/…
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