Yocom-McColl Testing Laboratories, Inc.

Denver, Colorado

Incorporated 1963,

privately owned

Tests animal fibers and wool at raw, top, yarn,

and fabric stages

OFDA100, OFDA2000,

Sirolan LaserScan

Microprojection available

Other tests by request

American Society For Testing and

Materials (ASTM)

Develops new standards

D13.13 committee functions:

Developed USDA standards

Reviews every 5 years

Approves or withdraws standards

Testing Individual Animal Fiber

Heritability

Selection of breeding animals

EPD’s (Expected Progeny Differences)

Tracking economically relevant traits

Research studies

Huacaya Fiber Characteristics

SAMBA Suri Luster Analysis

One Micron Equals…

One 25,400 of one inchOr…

One 1,000,000 of one meter

Fiber diameter is measured in microns, not counted

Midpoint of side sampled rams

Individual Animal Sampling Location

One 2” square wool sample

Staple Configuration

No tampering or washing

Identify by Eartag# or Name or

Registry# or Microchip

Breed, DOB, Sex, Color

Date of Sampling

Owner’s name and address

Email, Telephone, Cell, Fax

Individual Animal Side Sample

Staple Length on Merino Yrlg Ram

MERINO WOOL

Conditioning Room

Die Cutter in Operation

OFDA100 (Optical Fibre Diameter Analyser)

OFDA100 Measurement Points

Sirolan Laserscan Display

Normal Distribution

OFDA100 Rambouillet Yrlg Ram

MFD 21.1µ / SD 3.6µ / CV 16.8% / Fibers >30µ 0.7%/ Curv 102.7 deg/mm

Fine Merino Ewe, 2 Yrs, White (LaserScan)

MFD 14.6µ / SD 2.6µ / CV 17.9% / Fibers >30µ 0.2%

OFDA 2000 Desktop

LaserScan 2 Yr Huacaya Alpaca FemaleMFD 28.0µ / SD 4.4µ / CV 15.6% / Fibers >30µ 25.5%

OFDA2000 Huacaya 2 Yr Female Cumulative Histogram

MFD 27.9µ / SD 6.2µ / CV 22.1% / Fibers >30 27.8%

OFDA2000 Huacaya 2 Yr Female Staple ProfileSD Along Staple 2.1µ / Minimum 24.6µ / Maximum 31.3µ

ARI EPD Histogram Report (OFDA100)

MFD 17.5µ / SD 4.7µ / CV 26.9%, Med 5.7%, Curv 26.6 deg/mm

Questions?

Contact Information

Yocom-McColl Testing Laboratories, Inc.

540 West Elk Place

Denver, CO 80216-1823 USA

EMAIL: ymccoll@ymccoll.com

TEL: (303)294-0582

FAX: (303)295-6944

WEB: http://www.ymccoll.com

Bye now!

OFDA100 Rambouillet Yrlg Ram

MFD 21.1µ / SD 3.6µ / CV 16.8% / Fibers >30µ 0.7%/ Curv 102.7 deg/mm

LaserScan (Merino Ewe, 2 Yrs, White)

MFD 14.6µ / SD 2.6µ / CV 17.9% / Fibers >30µ 0.2%

LaserScan Huacaya Male, High Uniformity, CoarseMFD 29.1µ / SD 3.7µ / CV 12.7% / Fibers >30µ 30.7%

ARI EPD Histogram Suri, Low MFD/Med/Curv (OFDA100)

MFD 18.9µ / SD 3.7µ / CV 19.5%, Med 1.3%, Curv 10.9 deg/mm

Female Llama, 11+ Years, White/Lt Brown

MFD 39.2 / SD 12.1 / CV 30.8 / 77.7 %>30 Microns

Bimodal Distribution Shetland Sheep (LaserScan)

MFD 39.1µ / SD 11.3µ / CV 28.8% / Fibers >30µ 71.5%

Wool Top MFD 13.2µ / SD 2.8µ / CV 20.8% / Fibers >30µ 0.1%

13 Micron Wool Top X500

13 Micron Wool Top X1000

Wool TopMFD 15.0µ / SD 3.0µ / CV 20.0% / Fibers >30µ 0.0%

15 Micron Wool Top X500

15 Micron Wool Top X1000

TABLE 1. SUMMARY DATA FOR PROPERTIES

MEASURED ON U.S. HUACAYA ALPACA

Property N Mean SD CV, % Min Max

Age, yr 586 4.1 2.8 68.0 1 17.0Body Wt, lb 498 143.7 27.6 19.2 50.0 229.9AFD, µm 606 27.9 5.3 19.2 15.1 49.3

AC, deg/mm 606 33.2 7.0 21.1 15.4 52.5LSY, % 605 89.8 4.5 5.0 58.3 95.0MSL, in 604 4.6 1.6 34.3 2.1 10.9MSS, N/ktex 605 50.4 21.3 42.4 4.9 137.8RTC, kPa 595 5.4 0.9 15.7 2.0 7.8MED, % 277 17.6 11.0 62.2 0.6 61.7OBJ, % 277 3.8 3.7 97.0 0.1 22.0

SEM FIBER IMAGEScourtesy of:

Prof. Dr. Franz J. Wortmann

DWI-Deutsches Wollforschungsinstitut

Aachen, Germany

IWTO-58, Appendix B

MOHAIR AND WOOL

CUTICLE EDGE

CASHMERE

WOOL AND CASHMERE

MOHAIR

(Angora Goat)

CAMEL HAIR

ALPACA & LLAMA

VICUÑA

YAK

SHAHTOOSH

RABBIT HAIR

The End

Midpoint of the Side

Yearling Range Ram

Another ram, not so photogenic

Alpaca Fiber Length(Photo Adrian G Stewart, Mulberry Alpacas)