Table of Contents 2020 Nebraska Beef Cattle Report

Cow/Calf Evaluation of Level of Milk Potential on Nutrient Balance in 2- and 4- Year- Old May- Calving Range Cows Grazing Sandhills Upland Range............................ 5 Effect of Age of Dam on Heifer Progeny Performance ........................... 8 Effect of GnRH Injection at - 72 h in MGA- PG Estrus Synchronization Protocol.................................. 10 Efficacy of a Second Injection of Prostaglandin F2α in Yearling Beef Heifers Following Previous Estrus Synchronization ....................... 12 Evaluation of Commercial Genomic Tests for Maternal Traits in Crossbred Beef Cattle ..................................... 14 Combined Analysis on the Effects of Late Gestation Supplementation in a Spring Calving Beef Herd .................................................... 16 Comparing March and May Calving Systems in the Nebraska Sandhills................................................ 19 Growing Evaluating Syngenta Enogen Feed Corn Silage or Grain on Growing Beef Cattle Performance ......................................................... 21 Evaluation of Masters Choice Corn Silage on Growing Steer Performance............................................................. 24 Growth and Performance of Terminal Sired Calves Grazing Range or Meadow Pasture ....................................... 27 Economics of Yearling Systems ........................................ 3