Source: BEEF PRODUCER, 8/12/14

 In one trial, 43 steers from Southeastern states varying in age and  weight were shipped to a southwest Iowa feedyard, where fecal samples  guided a division of cattle into high (HI) and low (LO) parasite  burdens. All were treated with the recommended dose of eprinomectin to  control what were 92% roundworms (strongyles).

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