In addition to the definitions found in RCW 16.36.005, the following definitions apply to this chapter:

"APHIS" means the United States Department of Agriculture, Animal and Plant Health Inspection Service.

"Department" means the Washington state department of agriculture.

"Director" means the director of agriculture or the director's authorized representative.

"Flock" means a number of animals of sheep or goat species that are kept, fed and herded together, and have single or multiple ownership. The term "flock" is interchangeable with the term "herd" and applies to purebred and commercial sheep and goats.

"High risk animal" means any female genetically susceptible exposed animal. The female offspring of a scrapie-positive female animal or any female genetically less susceptible exposed animal that the designated scrapie epidemiologist (with the concurrence of the USDA area veterinarian in charge, state veterinarian, regional scrapie epidemiologist, and National Scrapie Program coordinator) determines to be a potential risk based on the epidemiology of the flock, including genetics of the positive sheep, the prevalence of scrapie in the flock, any history of recurrent infection, or other characteristics.

"Official identification" means an identification mark or device approved by APHIS for use in the scrapie eradication program. Examples include, but are not limited to, electronic devices, official ear tags, and legible official registry tattoos.

"Scrapie" means a transmissible spongiform encephalopathy that is a fatal, nonfebrile, transmissible, insidious, degenerative disease affecting the central nervous system of sheep and goats.

"Scrapie exposed animal" means any animal that has been in the same flock at the same time within the previous sixty months as a scrapie positive animal, excluding limited contacts, as identified in the Scrapie Eradication Uniform Methods and Rules, effective June 1, 2005.

"Scrapie Flock Certification Program" means a national voluntary program for classification of flocks relative to scrapie.

"USDA" means the United States Department of Agriculture.