Feed Lot

JUN 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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FEED•LOT June 2018 27 ADVANTAGE ADVERTISING Find Out How At EzRation.com Square Bale Processor Truck or Trailer Cut Feed Costs Up to 50% ezration@ezration.com • Kim, CO 81049 www.ezration.com 800.242.9599 The rest of the beef industry has been feeding blended, least cost rations for decades .... Patented • Lower winter feed cost • Better utilize grasses • Double production in some cases • Deal with uncontrollable weather and market variables Now ranchers can also blend roughages creating least cost rations quickly and easily. This has significantly reduced most ranchers' biggest expense and is creating new management options that are dramatically increasing the bottom line. www.FEEDLOTMAGAZINE.com Looking for information? Come to Feed•Lot Magazine first. Search back issues and articles. Visit, feedlotmagazine.com more difficult to manage, so pro- ducers look for genetic markers that indicate docility, Randel said. "Stress causes changes in un- born fetuses and those changes are expressed after the animal is born," he said. "This is a big deal be- cause it shows there are behavioral changes that affect the way DNA causes RNA to function." Randel also studied stored white blood cells from 28-day-old calves to examine the methylation patterns of the animals' DNA. He found major differences in those patterns in a significant number of genes important for animal produc- tion and health. Methylation is a process that adds methyl groups to DNA mole- cules and can change the activity of a DNA segment. "The questions this grant will an- swer are, 'Are there differences that remain through maturity affecting the function of both DNA and RNA, which is how the genetic code is expressed, and are they modified by more or less methylation of the DNA?'" Randel said. Randel said this discovery is important because cattle breeders have a number of genetic markers that have been identified and are being used to make mating selec- tions based on DNA sequences. FL

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