Genetically resistant sheep.
Genetically resistant sheep. Any sheep or sheep embryo of genotype RR at codon 171 unless it is epidemiologically linked to a scrapie-positive RR sheep or to a scrapie type that affects RR at codon 171 sheep.
Source
9 CFR § 79.1
Scoping language
Accredited veterinarian. A veterinarian approved by the Administrator in accordance with part 161 of this chapter to perform functions specified in subchapters B, C, and D of this chapter.