With the rule, most cattle and bison 18 months and older will need to have a electronic ear tag. Some ranchers are concerned. “It does have a purpose.

Researchers have studied beef cattle with in-ear accelerometers. These units may be able pick up signs that relate to early stages of disease in cattle.

But producers across the country were skeptical about the new program, which would require radio-frequency ear tags that would let cattle be tracked from slaughterhouse to birth.

Ear tag rule The rule will apply to about 11 million cattle or 12% of the nation’s cattle herd, the USDA estimates.

University of Calgary researchers studied beef cattle with in-ear accelerometers. These units may be able pick up signs that relate to early stages of disease in cattle.

A number of veterinarians and ranchers across the state are dealing with an unusual problem: missing ear tags from bulls.

SPRINGVILLE, Utah (KSL) — Several veterinarians and ranchers across the state are dealing with an unusual problem, missing ear tags from bulls. They’re called trich tags, and they help ...