One study followed 89 patients with PD who were treated with unilateral subthalamotomy. Sixty-eight patients were available for evaluations after 12 months, 36 after 24 months and 25 patients after 36 months.
Definition of alpaca for English Language Learners. : 1  a South American animal that is related to the llama and has long woolly hair. : 2  wool of the alpaca or a cloth made of it.
A. Alpacas and their close llama relative are members of the scientific family camelid, as are camels, guanacos and the extremely rare vicuna. The alpaca was imported to the U.S. in the 1980s from South America (Peru, Bolivia and Chile).. Alpacas are usually shorn once a year for their own comfort and is a requirement for any alpacas in the Southern states. In the northern climates, the suri alpaca this is sometimes reduced to once every two years. Depending on the density of the fleece each adult alpaca will usually produce from 3 - 10 lbs per year.