Since its discovery in 1977, contagious equine metritis (CEM) has been a source of considerable concern for many countries because of the ease with which it can be spread internationally through carrier stallions or mares, said Peter Timoney,”P>Since its discovery in 1977, contagious equine metritis (CEM) has been a source of considerable concern for many countries because of the ease with which it can be spread internationally through carrier stallions or mares, said Peter Timon”>Since its discovery in 1977, contagious equine metritis (CEM) has been a source of considerable concern for many countries because of the ease with which it can be spread internationally through carrier stallions or mares, said Peter Tim”Since its discovery in 1977, contagious equine metritis (CEM) has been a source of considerable concern for many countries because of the ease with which it can be spread internationally through carrier stallions or mares, said Peter Ti”Since its discovery in 1977, contagious equine metritis (CEM) has been a source of considerable concern for many countries because of the ease with which it can be spread internationally through carrier stallions or mares, said Peter Ti”ince its disco

The U.S. Department of Agriculture is amending the requirements for health certificates accompanying imported Spanish pure breed horses from Spain which specify whether or not the horses were raised on breeding premises.

Instead, APHIS

The USDA announced Oct. 15 that U.S. horses exported to Mexico will no longer be tested for contagious equine metritis (CEM) and quarantined for 30 days.

The United States has been”P>The