Abraham Maria Celina , Puhakka Johanna , Ruete Alejandro , Mohsen Al‑Essawe Essraa, Verdier Kerstin de , Morrell Jane Margaret and Båge Renée (2016) Testicular length as an indicator of the onset of sperm production in alpacas under Swedish conditions. Acta Vet Scand, 58:10

Anderson Jude, Gehly Cheryl, Safley Michael, VandenBosch Amanda (2011) The art and science of alpaca judging. Alpaca Owners and Breeders Association, Inc. (AOBA), Nashville, TN 37211

Antoninia M., Gonzales M., Valbonesic A. (2004) Relationship between age and postnatal skin follicular development in three types of South American domestic camelids. Livestock Production Science 90, pages 241–246

Aylan-Parker J., McGregor B.A. (2002) Optimising sampling techniques and estimating sampling variance of fleece quality attributes in alpacas. Small Ruminant Research 44, pages 53–64

Baychellier Pierre (2007) A new Angle on Alpaca Conformation, Alpacas Australia, Issue 52, pages 24 to 27

Cervantes, M.A. Pérez-Cabal, R. Morante, A. Burgos, C. Salgado, B. Nieto, F. Goyache, J.P. Gutiérrez (2010) Genetic parameters and relationships between fibre and type traits in two breeds of Peruvian alpacas. Small Ruminant Research 88, pages 6–11

Crossley J orge C. , Borroni Cintya G. & Raggi Alberto S. (2014) Correlation between mean fibre diameter and total follicle density in alpacas of differing age and colour in the Parinacota province of the Chilean high plain, Journal of Applied Animal Research, 42:1, pages 27-31. https://doi.org/10.1080/09712119.2013.795899

Feeley N.L., Munyard, K.A. (2009) Characterisation of the melanocortin-1 receptor gene in alpaca and identification of possible markers associated with phenotypic variations of colour. Animal Production Science, 49, pages 675–681

Fowler M.E. (2010) Medicine and Surgery of Camelids. Third edition. Wiley-Blackwell.

Holt Cameron (2006) Is crimp important? Online.

Holt Cameron (2007) Fibre testing for alpaca breeders. Online.

McCloghry C. E. , BrowG. H. n & Uphill G. C. (1997) Computer‐assisted image analysis for the measurement of wool follicle density and fibre diameter in skin sections, New Zealand Journal of Agricultural Research, 40:2, pages 239-244. https://doi.org/10.1080/00288233.1997.9513243

McGregora B.A., Ramosb H.E., Quispe Pe˜nab E.C. (2012) Variation of fibre characteristics among sampling sites for Huacaya alpaca fleeces from the High Andes. Small Ruminant Research 102, pages 191– 196

Molinaa Gabriela, Teicha Ingrid, Antoninia Marco, Renierie Carlo, La Terzae Antonietta, Balzarinia Monica (2016) Spatial structure of skin follicles in Suri and Huacaya alpacas.  Small Ruminant Research 140, pages 22-26

Moore K.E., Maloney S.K., Blache D. (2015) High follicle density does not decrease sweat gland density in Huacaya alpacas . Journal of Thermal Biology 47, pages 1–6

Munyard, K. (2011) Inheritance of white colour in alpacas – identifying the genes involved. Rural Industries Research and Development Corporation. Electronically published by RIRDC

Pinaresa Rubén, Gutiérreza Gustavo Augusto, Cruzb Alan , Moranteb Renzo, Cervantesc Isabel, Burgos Alonso, Gutiérrez Juan Pablo (in press) Heritability of individual fiber medullation in Peruvian alpacas. Small Ruminant Research

Watt Ian (o.A.) EABS Fiber Standards for Sires