The impact of commercially important alpaca fibre production and quality attributes on the relative economic value of alpaca fibre production was investigated. Fleeces from five farms in southern Australia (n = 1100) were measured using mid side samples and standard tests and were assigned a relative economic value based on an analysis of market price data. The total relative economic value increased with increasing greasy fleece weight and with increasing saddle weight up 2.5 kg. Total relative economic value declined as mean fibre diameter increased above 23μm, increasing live weight above 60 kg and with increasing age above 2 years for Huacaya and 3 years for Suri. The relative economic returns from fleece production of Huacaya and Suri breeds was similar. The main drivers of economic value for Australian alpaca fleece production are lower mean fibre diameter and increasing fleece weight. Higher economic value for fleece was associated with younger and lighter animals. This work provides a method to assign an economic value to alpaca fleeces thus enabling animal selection based on international commercial economic values.
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