A Salute to Rex L. Powell

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A Salute toRex L. Powell
Animal Improvement Programs Laboratory Agricultura
l Research Service US Department of Agriculture
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Pre-AIPL
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AIPL stats

• Started September 1972
• Position Research Geneticist (32 yr)
• Publications 325 (senior author of 200)
• Invited presentations United States and 26
  foreign countries
• Retired January 2005

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Awards

• Team
• NDHIA Award of Special Appreciation
• USDA Distinguished Service Award
• Government Executives Government Technology
  Leadership Award
• ARS Superior Effort Technology Transfer Award
• Vice-Presidential Hammer Award
• Individual
• NAAB Research Award
• NDHIA Distinguished Service Award
• ADSA J.L. Lush Award Fellow

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Expertise

• National authority
• Genetic trend in dairy cattle
• Cow evaluation
• Comparison of bull evaluations across countries
• International impact
• US representative to Interbull (21 yr)
• Member of Interbull Steering Committee (19 yr)

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Major contributions

• Characterization of national cow evaluations
• Documentation of impact of herd yield on genetic
  evaluations
• Improvement of genetic evaluation methods for
  dairy cows

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Major contributions (continued)

• Estimation of genetic trends for US dairy cattle
  traits

• Increased timeliness of national genetic
  evaluations

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Major contributions (continued)

• Analysis of bull evaluation stability, accuracy,
  and use

• Conversion of dairy bull evaluations among
  countries
• Determination of accuracy of international bull
  evaluations

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AIPL family
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Progeny test