Feed Lot

DEC 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  December 2017 21 hot water in a good cooler will keep vaccine within proper tem- perature range for 4.5 hours. If it's 13 degrees outside, you have about 3 hours before the pint cools and it g ets too cold inside the cooler. You m ight need to set the cooler inside your pickup with the heater run- ning," Williams says. "Don't put vaccines on the heater or defroster in a pickup win- dow or they may get too warm. It's a fine line trying to keep vaccine within proper temperature. To tell if you are within that range, put a refrigerator thermometer in your cooler with the vaccine," she says. If it starts to drop below optimum temperature, put a new jar of warm water in the cooler. Sometimes it's handy to use two coolers--one for syringes and vaccine bottles you're filling from, and the other for bot- tles you haven't opened. Then you are not opening and closing that cooler all the time and it will retain proper temperature longer. S o m e p e o p l e u s e p r o p a n e heaters for keeping the work crew and equipment warm. "But don't expose vaccines to hot tempera- tures," Daly warns. "Temperature also affects pour- on products and antibiotics. Start with something that's already at proper temperature and don't let it freeze. If using a pour-on de- wormer or delousing product ad- ministered via tubing, cold temps may freeze up the tube. Find ways to keep the tubing heated or insu- lated while working cattle. It's much better to keep things from freezing than trying to thaw them," says Daly. Caution It's not wise to brand and clip cattle in cold weather, but many people do if they've purchased new cattle. If using a pour-on de- wormer/delousing product, re- member that some have flammable carriers. With long hair, if you used one of those products and then hit the animal with a branding iron, you might set the hair on fire. FL

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