References

Australian Wool Innovation, Meat and Livestock Australia (2007) ‘Visual sheep scores research edition.’ (Australian Wool Innovation and Meat and Livestock Australia: Sydney)

Australian Wool Testing Authority (2000) ‘Testing the wool clip.’ (AWTA Ltd: Melbourne)

Carter HB, Clarke WH (1957) The hair follicle group and skin follicle population of Australian Merino sheep. Australian Journal of Agricultural Research 8, 91–108.
| CrossRef |

Casey AE, Martin SJ, Swain BC, Ramsay AMM (2009) ‘AMSEA accredited central test sire evaluation. Requirements for an accredited site.’ Edn 3.3. (NSW Department of Primary Industries: Orange, NSW)

Cottle DJ (2010) World sheep and wool production. In ‘International sheep and wool handbook’. (Ed. DJ Cottle) pp. 1–48. (Nottingham University Press: Nottingham, UK)

Dowling ME, Schlink AC, Greeff JC (2007) Breeding Merino wool for colour stability is achievable. Association for the Advancement of Animal Breeding and Genetics 17, 328–331.

Dyer JM, Bringans SD, Aitken GD, Joyce NI, Bryson WG (2007) Extraction and characterisation of non-scourable chromophores from discoloured fleece wool. Coloration Technology 123, 54–58.
| CrossRef | CAS |

Fleet MR, Millington KR, Smith DH, Grimson RJ (2009) Association of fibre diameter with wool colour in a South Australian selection flock. Association for the Advancement of Animal Breeding and Genetics 18, 556–559.

Fleet MR, Millington KR, King AL (2010) Sunlight exposure caused yellowing and increased mineral content in wool. Animal Production Science 50, 300–308.
| CrossRef | CAS |

Fogarty NM, Banks RG, van der Werf JHJ, Ball AJ, Gibson JP (2007) The information nucleus – a new concept to enhance sheep industry genetic improvement. Association for the Advancement of Animal Breeding and Genetics 17, 29–32.

Gilmour AR, Gogel BJ, Cullis BR, Thompson R (2009) ‘ASReml user guide release 3.0.’ (VSN International Ltd: Hemel Hempstead, UK)

Hatcher S, Atkins KD (2000) Breeding objectives which include fleece weight and fibre diameter do not need fibre curvature. Asian-Australasian Journal of Animal Science 13, 293–296.

Hatcher S, Atkins KD, Thornberry KJ (2005) Age changes in wool traits of Merino sheep in western NSW. Association for the Advancement of Animal Breeding and Genetics 16, 314–317.

Hatcher S, Atkins KD, Thornberry KJ (2009) Breeding plain-bodied fine wools – no problem! Association for the Advancement of Animal Breeding and Genetics 18, 330–333.

Hebart ML, Brien FD (2009) Genetics of wool colour in the South Australian selection demonstration flocks. Association for the Advancement of Animal Breeding and Genetics 18, 500–503.

Holt LA, Lax J, Moll L (1994) The effect of weathering and weathering control measures on the colour of scoured wool. Wool Technology and Sheep Breeding 42, 151–159.

James PJ, Ponzoni RW, Walkley JRW, Whiteley KJ (1990a) Genetic and phenotypic parameters for greasy and scoured wool colour in South Australian Merino sheep. Association for the Advancement of Animal Breeding and Genetics 8, 521–523.

James PJ, Ponzoni RW, Walkley JRW, Whiteley KJ (1990b) Genetic parameters for wool production and quality traits in South Australian Merinos of the Collinsville family group. Australian Journal of Agricultural Research 41, 583–594.
| CrossRef |

King AL, Millington KR (2010) Measurement of light penetration through a simulated Merino fleece. Animal Production Science 50, 585–588.
| CrossRef |

Millington KR (2006) Photoyellowing of wool. Part 1: factors affecting photoyellowing and experimental techniques. Coloration Technology 122, 169–186.
| CrossRef | CAS |

Millington KR, King AL (2010) Measuring colour and photostability of small fleece wool samples. Animal Production Science 50, 589–592.
| CrossRef |

Mortimer SI, Taylor PJ, Atkins K (2006) The Trangie QPLU$ selection lines: responses in clean fleece weight and fibre diameter on completion of 10 rounds of selection. In ‘Trangie QPLU$ Merinos – open day 2006’, Trangie, NSW. (Ed. CE Pope) (NSW Department of Primary Industries: Orange, NSW)

Mortimer SI, Robinson DL, Atkins KD, Brien FD, Swan AA, Taylor PJ, Fogarty NM (2009) Genetic parameters for visually assessed traits and their relationships to wool production and liveweight in Australian Merino sheep. Animal Production Science 49, 32–42.
| CrossRef | CAS |

Reid TC, Botica KJ (1995) Relationship between wool colour and fibre diameter in four breeds of sheep. Proceedings of the New Zealand Society of Animal Production 55, 50–53.

Rigel DA, Rigel EG, Rigel AC (1999) Effects of altitude and latitude on ambient UVB radiation. Journal of the American Academy of Dermatology 40, 114–116.
| CrossRef | CAS | PubMed |

Robinson DL, Mortimer SI, Swan AA, Purvis IW (2007) Genetic parameters for subjectively scored traits in yearling and adult fine wool Merinos. Association for the Advancement of Animal Breeding and Genetics 17, 336–339.

Safari E, Fogarty NM, Gilmour AR (2005) A review of genetic parameter estimates for wool, growth, meat and reproduction traits in sheep. Livestock Production Science 92, 271–289.
| CrossRef |

Smith J, Purvis IW (2009) Genetic variation in clean wool colour in fine wool Merinos. Association for the Advancement of Animal Breeding and Genetics 18, 390–393.

Stevens D (1994) Handle: specification and effects. In ‘Wool Spec 94. Specification of Australian wool and its implications for marketing and processing’, Sydney, NSW. (Eds RA Rottenbury, KA Hansford, JP Scanlan) pp. H1–H10. (CSIRO Division of Wool Technology and International Wool Secretariat: Sydney)

Sumner RMW (2005) Relationship of mean fibre diameter and time of shearing with wool yellowing in Merino sheep farmed under North Island conditions. Proceedings of the New Zealand Society of Animal Production 65, 191–196.

Sumner RMW, Craven AJ (2005) Relation between skin structure and wool yellowing in Merino and Romney sheep. Proceedings of the New Zealand Society of Animal Production 65, 197–202.

Sumner RMW, Ashby MG, Craven AJ (2004) Relation between sweating and wool yellowing in Merino and Romney sheep. Proceedings of the New Zealand Society of Animal Production 64, 286–292.

Swan P (2010) The future of wool as an apparel fibre. In ‘International sheep and wool handbook’. (Ed. DJ Cottle) pp. 647–660. (Nottingham University Press: Nottinghom, UK)

Swan AA, Purvis IW, Hansford K, Humphries W (1997) The genetics of measured and assessed style in Merino sheep. Association for the Advancement of Animal Breeding and Genetics 12, 153–157.

Wang H, Mahar T (2008) ‘Correlation analysis of fibre diameter and colour of clean wool.’ (Australian Wool Testing Authority Ltd: Melbourne)

Wood E (2002) The basics of wool colour measurement. Wool Technology and Sheep Breeding 50, 121–132.

Woolmark Business Intelligence Group (2004) ‘A global strategic market analysis and outlook for Australian wool.’ (The Woolmark Company: Melbourne)

Wuliji T, Dodds KG, Land JTJ, Andrews RN, Turner PR (1999) Response to selection for ultrafine Merino sheep in New Zealand I. Wool production and wool characteristics of ultrafine fibre diameter selected and control Merino yearlings. Livestock Production Science 58, 33–44.
| CrossRef |

Wuliji T, Dodds KG, Land JTJ, Andrews RN, Turner PR (2001) Selection for ultrafine Merino sheep in New Zealand: heritability, phenotypic and genetic correlations of liveweight, fleece weight and wool characteristics in yearlings. Animal Scienc 2001, 241–250.