Feed Lot

AUG 2017

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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FEED•LOT  August 2017 21 the late or open ones earlier, if you wish, and sell them at the peak of the market. "There is a lot of data on how much better the early-bred heifers will be as cows, and how much bet- ter they are at getting pregnant in subsequent years if they get preg- nant early in their first breeding season. Heifers that conceive in their first cycle with the bull or f i r s t A I b r e e d i n g t e n d t o g e t pregnant again in their 2nd and 3rd (and subsequent) years at an earli- er date and are more productive throughout their lives. The ones that are late continue to be late," says Muller. Data shows that heifers that get pregnant early produce about 700 pounds more calf in their first 6 calves than heifers that breed late. "Give them an early window in which to become pregnant, and don't keep breeding them. Check them soon, and sell the open ones in July when they are very valuable. This could make more money than waiting until fall when they are big- ger and their value has gone down. If you have grass and want to treat them as a stocker you might keep them, but sometimes people get to August or September and are run- ning out of grass. It would be better to pull those open ones off right away and sell them," he says. FL A blood test is the fastest way to determine p regnancy in cattle. Early detection can help make quicker decisions on keeping or culling animals, and in turn, gives more opportunities for marketing decisions.

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