With calving time around the corner for most of the U.S., this week’s online poll question is: “What is the length of your calving season?” Be sure to leave your thoughts in the comments section after voting.
My fall herd has a lot shorter season then the spring ones, because the bull produces more semen in cooler weather, and the cows are usually in better shape after eating grass all summer. .
365 and on leap year 366. I sell freezer beef and need year round calving to keep my feedlot working.
65 days start Feb 1 April 4 coldest part of year works for me the shorter the better calves are more. Even
60-65 days. Calves at sale time are more uniform
90 days on spring herds. Starting a new fall herd this year and will leave bulls out for 60 days. These ranches were 135 days plus when we took over, and it sure has been refreshing to get our calving window back in control
Shooting for 60 days or less. Did timed AI on most of fall herd for the first time. In yrs past sold cows outside the limit this yr will keep them to calve. Dont have enough replacements after 2 yrs of hard culling from drought
We calve for 90 days. Dec-Feb. Breed March-May. First of June plan to implement an idea from Burke Teichert from his column in BEEF magazine. Preg check the same time as the bulls come out. Everything preg stays. Preg check the opens again latter. All the opens go. Then make decisions on the new pregs depending on the ranch goals. Keep or sell as bred cows.
Rien Doornenbal Calif.
calving is 6 months away. Hardly right around the corner. it would be crazy to calve with snow on the ground.
actually 60 days
We calve year around,get some good conditions and some not so good and some of all prices and the idea is to sell some calves each month works well for us.I am with cows every day so am on top of any problems quickly.
I run 2. 3/15-5/15 and 9/1-11/1. It reduces the number of bulls needed. Allows a cow to miss once without loosing a whole year.
Similar, but limit bull exposure to 6 weeks. We performance test right on through yearling to select breeding stock, and the calves being born close together makes for more useful numbers for adjusted daily gains, and we have two crops of CharLean, those not going back into the herd but onto the plate!
I do the exact same and AI the complete fall herd
Spring herd right at 45 days. Fall herd 30-33 days. The only difference we see is the time of year we are breeding. Hot summers hurt spring calving. We breed starting May 23rd for spring calving. This is about when temperatures start up.
And the summers in North Carolina seem to be running a bit hotter and causing more breeding problem so moving spring calving gradually earlier, even into February.
60day max w/ 85%+ in 45days
Started October 10th, ended November 15th. Fall calving works for us in Southeast with winter grazing. Puts our marketing season opposite most and we can enjoy off season market options.
Because we are a seedstock producer we spread our calving on purpose. We sell to many junior programs and try to have heifers to sell born Jan to April. However we AI once and on each group and then out with a bull.
60 day spring herd and 45day fallherd
We calve Spring and Fall. All cows either get set up for AI or an Egg at the begining of both seasons. In the Spring we leave Bulls in for 60d after the AI date. In the fall we only leave the Bull in for 45 days. Generally open Spring cows in the fall get rolled to Fall group. Open Fall cows in the Spring get rolled to the BIG MAC machine. Everyone charts that Cull price is best in the Spring/ Early Summer so this lines up well for me to hit seasonally high cull prices. Open big observation we have though is we always have higher conception in our fall cows than we do Spring cows. Despite the fact some of these cows have missed at one point in Spring group they hardly ever miss in the fall Group.
I'm trying to get it under 60 days. Using CIDRs and estrus sync this year to do better. The closer the calves are in birth date, the easier they are to manage. Also helps with the older ones not getting everything at the creep feeder and nothing left for the younger ones who need it most.
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