Cow-calf

Tuesday, July 22, 2014: 9:30 AM-12:30 PM
2104B (Kansas City Convention Center)
Moderator:
Patrick J. Gunn
9:30 AM
126
Changes in body composition during winter gestation of mature beef cows grazing different herbage allowances of native pastures.
Alberto Casal, Facultad de Agronomia, Universidad de la Republica; Ana Laura Astessiano Dickson, Facultad de Agronomia, Universidad de la Republica; Ana Ines Trujillo, Facultad de Agronomia, Universidad de la Republica; Pablo Soca, Departamento de Producción Animal y Pasturas - Facultad de Agronomía - UdelaR; Ana Carolina Espasandin, Departamento de Producción Animal y Pasturas - Facultad de Agronomía - UdelaR; Mariana Carriquiry, Facultad de Agronomia, Universidad de la Republica
9:45 AM
127
Prepartum supplement level and age of weaning: I. Effects on pre- and postpartum beef cow performance and calf performance through weaning
Lindsay M. Shoup, University of Illinois; Ashley C. Kloth, University of Illinois at Urbana-Champaign; Dianelys Gonzalez-Peña Fundora, University of Illinois at Urbana-Champaign; Frank A. Ireland, University of Illinois; Sandra L. Rodriguez Zas, University of Illinois; Tara L. Felix, University of Illinois at Urbana-Champaign; Daniel W. Shike, University of Illinois
10:00 AM
128
Prepartum supplement level and age of weaning: II. Effects of developmental programming on performance and carcass composition of steer progeny
Lindsay M. Shoup, University of Illinois; Dianelys Gonzalez-Peña Fundora, University of Illinois at Urbana-Champaign; Frank A. Ireland, University of Illinois; Sandra L. Rodriguez Zas, University of Illinois; Tara L. Felix, University of Illinois at Urbana-Champaign; Daniel W. Shike, University of Illinois
10:15 AM
129
Efficiency and performance of primiparous Angus cows raised in a range system
Jaqueline Schneider Lemes, Universidade Federal de Pelotas; Cassio C. Brauner, Federal University of Pelotas; Ricardo Zambarda Vaz, Universidade Federal de Pelotas; Marcelo Alves Pimentel, Universidade Federal de Pelotas
10:30 AM
130
Effect of an injectable trace mineral on reproductive performance of beef cows grazing irrigated pasture
Carmen J Brasche, University of Idaho; John B. Hall, University of Idaho; M. E. Drewnoski, University of Idaho
11:15 AM
133
Relationships between maintenance energy EPD and performance measures of progeny from Red Angus sires divergent for maintenance energy EPD
Cassie M. Welch, University of Idaho; Scott E. Speidel, Colorado State University, Department of Animal Sciences; D. H. Crews, Colorado State University; Jason K. Ahola, Colorado State University; John B. Hall, University of Idaho; William Price, University of Idaho; Rodney A. Hill, University of Idaho
11:30 AM
134
Effects of breeding system of origin (natural service or artificial insemination) on growth, attainment of puberty, and pregnancy rates in crossbred beef heifers
Mellissa R Schook, North Dakota State University; Philip L Steichen, North Dakota State University; V. R. G. Mercadante, University of Florida; G. C. Lamb, North Florida Research and Education Center; Bryan W. Neville, North Dakota State University; C. R. Dahlen, North Dakota State University
11:45 AM
135
Simulation and economic analysis of beef cattle natural service and induced twinning via embryo transfer following AI breeding and two calf management systems
Dustin G. Aherin, Kansas State University; Pake J. Ebert, Kansas State University; John R. Shearer, Kansas State University; Robert L. Weaber, Kansas State University; Jennifer M. Bormann, Kansas State University; Daniel W. Moser, Kansas State University; Michael D. MacNeil, Kansas State University
12:00 PM
136
The indirect effects of horn flies and sire breed on calf preweaning and postweaning performance traits
Angela R. Mays, Department of Animal Science, University of Arkansas Division of Agriculture; Michael A Brown, ARS, USDA, Grazinglands Research Laboratory; Charles F. Rosenkrans, University of Arkansas
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