BOISE, Idaho (AP) — An Idaho dairy industry group has sent a letter to all its members urging them to deny media requests for tours and on-farm interviews.

The letter from the United Dairymen of Idaho was sent anonymously to the Associated Press late last week. In it, co-chairs Tom Dorsey and Tony Vanderhulst advise dairy producers that there's been an increase in requests from media groups seeking to film on-farm footage in the wake of an Idaho law that makes it illegal to secretly film animal abuse at agricultural facilities.

The letter says that for the protection of the Idaho dairy industry, people seeking tours or interviews should be turned down or referred to United Dairymen officials or another industry group. Spokeswoman Cindy Miller confirmed the letter was sent to about 500 dairies.

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