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Graduate Student Research Competition Abstracts ( con ' td .)
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Exploring Lys Metabolism in Lactating Cows ........................................................................................................................... 171 L . R . Rebelo , W . P . Weiss , and C . Lee The Ohio State University
Predictive Equations to Calculate Pen Level Dry Matter Intake Utilizing on Farm Data ......................................................... 172 A . T . Richards 1 , P . Ousterhout 2 , and J . P . Boerman 1 Purdue University 1 and iYOTAH Solutions 2
Effects of Different Levels of Vitamin A Supply on Production and Blood Parameters of Transition Cows ............................... 173 M . Rodriguez , W . P . Weiss , B . D . Enger , K . Lee , and C . Lee The Ohio State University
Effects of Reducing Dietary Cation-Anion Difference on Total Tract Digestibility and Urine and Fecal Outputs of
Lactating Dairy Cows ................................................................................................................................................................ 174 H . M . Zynda 1 , J . E . Copelin 1 , W . P . Weiss 1 , F . Sun 2 , and C . Lee 1 The Ohio State University 1 and Origination O2D 2
April 19-21 , 2021 Tri-State Dairy Nutrition Conference