Which of the following is required for sheep to be sold at federally approved interstate livestock auctions? Brucellosis tag Scrapies tag Ear tattoo Nose print

## Step 1<br />The problem is asking us to identify the correct method of identification required for sheep to be sold at federally approved interstate livestock auctions. The options provided are Brucellosis tag, Scrapies tag, Ear tattoo, and Nose print.<br /><br />## Step 2<br />The Scrapie tag is a method of identification used for sheep and goats. It is a small metal tag that is inserted under the skin of the sheep's ear. This tag is used to keep track of the animal's health and vaccination history.<br /><br />## Step 3<br />The Scrapie tag is required for sheep to be sold at federally approved interstate livestock auctions. This is because the Scrapie tag helps to prevent the spread of diseases such as scrapie, a fatal, degenerative disease affecting the central nervous system of sheep and goats.