Feed Lot

MAR 2018

Feedlots and cow/calf operations in the beef industry who feed 500 or more has annually on grains and concentrates; maintain 500 or more beef cows; backgrounder, stocker/grower, preconditioner; veterinarian, nutritionist, consultant

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says Holden. Breeding Program Van Newkirk heifers are kept on a ground hay/sorghum silage ra- t ion until early April. "We then add a couple pounds of grain back into the ration when we start them on MGA for the AI protocol. We also add a comprehen- sive mineral to their feed (equal parts calci- um and phosphorus) r a t h e r t h a n f r e e choice. It's chelated, which is supposed to make it more bioavail- able," Joe says. H o l d e n 's h e i f e r s w e i g h a b o u t 9 0 0 pounds when they go out with bulls, and are well developed and cy- cling. "We usually have 94 to 95% conception rate in a 50-day breeding season with natural service. Our heifers are in large pastures (40 to 80 acres) all winter with lots of exercise. I prefer this method as opposed to confine- ment for feeding and breeding," Holden says. The Ehlke heifers, by contrast, are in a confinement heifer devel- opment program. "About 30 to 40 days prior to breeding we increase their feed and give a Multimin shot. We've had very good luck with that, regarding number of heifers that conceive at first cycle AI breeding," Mark says. FL Different programs — whether in a pasture setting or in a pen with bunks — can all achieve the same goal of raising h ealthy, productive cows. go on irrigated grass. They are born early and weaned while there is still green grass," Mark says. Winter Feed Programs Elhke's heifers are on grass and p ellets for 60 days after weaning. Holden's heifers are on grass after weaning but he keeps feeding them a little through winter. "When we have to add hay to their diet we use a chopped hay mix that contains good alfalfa and barley straw. We add a forage crop bale (either wheat forage or a hay/barley or pea type forage). We can also utilize new seeding hay, or rained-on hay as a quarter of that mix, to add roughage," he says. "Our target is 1.5 pound daily gain though they generally hit about 1.7 due to our genetics; they are ef- ficient cattle and gain well. The pel- lets containing Bovatec are fed in bunks and the chopped hay in free- choice feeders," Holden says. "We quit feeding pellets in Feb- ruary when we take yearling weights, and keep them on chopped hay—and an ionophore tub supplement to aid feed efficien- cy and early puberty. We continue this supplement through breeding, which starts the first of April. They breed up nicely even though we don't have any green grass yet," FEED•LOT  March 2018 19 Specializing In: • Turn-Key Feedyard Construction • Hog Site Construction • Complete Dairy Construction • Sprinkler System • CAD Design • GPS Survey • Slipform Concrete Feedbunks • Dirtwork of All Types • Laser-Equipped Machinery • All types of Fencing Phone: 800-536-2634 maxjantzexcavating.com

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