Don't Buy Into These "Trends" About alpacas spit
http://www.imfaceplate.com/t4jpnvb856/how-to-sell-alfa-castaldi-to-a-skeptic
Alpaca Alternative Fencing Choices. Some Alpaca owners say they require 2 by 4 inch "no climb" horse fence five foot tall. That is very expensive heavy wire especially when you include the heavy posts needed