[Guernsey Cow][American Guernsey Association]

Genetic Evaluation & Production Information

[] Top 100 Bull Rankings August 2010 (All Bulls Born in Last 25 Years)

[]Active AI List August 2010 - Production with links to pedigrees and web pages for each bull!

[]Active AI List August 2010 - Type

[]Young Sires August 2010

[]Top 100 Heifers for PA CPI August 2010

[]Top 300 CPI Cows August 2010

Top CPI Daughters of :
Aaron Ace Adacka Aliance Alstar Altanic Archie Bingo Bolero Challenge
 Conrad Decision Double L Glacier Geo Grumpy Hawk Hudson Iceberg Khan
Legacy Les Luxury Magicman Mentor Mission Mr America Nash Natural Neon Regis
Response Ronald Royal Oak Royalty Samson  Silverado Skipper Special Spider Tiller Turley Yogi


[]Find a Bull by NAAB #

[]All-Time Class Leaders

[]What Bulls had the Most Daughters Scored?

[]What Bulls had the Most Daughters on Test?

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Guernsey PTI Formula (Updated Nov. 2006)

(25*(PTAP/14))+(25*(PTAF/19))+(10*(PTAT/.84))+(10*(UDC/.70))+(10*(FLC/.68))+

(10*(PL/2.39))+(3*(DPR/1.24))+(4*((3-SCS)/.17))+(3*(PTA Strength/0.95))

UDC and FLC should be rounded to the nearest 10th prior to use in the PTI formula

Udder Composite (UDC)

(.15*(FU/1.33))+(.15*(RH 1.24))+(.05*(RW/1.22))+(.15*(UC/.84))+(.33*(UD/1.53))+(.15*(TP/1.05))-(.02*(TL/1.11))

Foot & Leg Composite (FLC)

(.36*(RV/.42)) + (.48*(FA/.49)) - (.16*(RL/.65))

You MUST Be Kidding...What Do All These Numbers Mean?

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American Guernsey Association
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Reynoldsburg, Ohio 43068
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E-mail: sjohnson@usguernsey.com

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