Quantitative genetic analysis of micron blowout in Alpacas

Some alpacas maintain fine fibre throughout life, while others suffer from significant coarsening of fibre as they age, a trait known as micron blowout. Micron blowout results in reduced productivity, through reduced yield of high quality fibre over the life of an animal. Data from a well-establishe...

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Bibliographic Details
Main Authors: Munyard, Kylie, Greeff, J.
Format: Report
Published: RIRDC 2013
Subjects:
Online Access:https://rirdc.infoservices.com.au/items/12-136
http://hdl.handle.net/20.500.11937/38721
Description
Summary:Some alpacas maintain fine fibre throughout life, while others suffer from significant coarsening of fibre as they age, a trait known as micron blowout. Micron blowout results in reduced productivity, through reduced yield of high quality fibre over the life of an animal. Data from a well-established alpaca herd in Peru was used in a complex quantitative genetics analysis to determine if genetics plus environment, or environment alone was responsible for micron blowout in alpacas. This project has shown that micron blowout has a moderate heritability in alpacas, and that selection against micron blowout would be successful in reducing the extent of the problem. This report is targeted at Australian alpaca breeders.