Scientific Program Table of Contents Sunday, July 12 SYMPOSIA AND ORAL SESSIONS Triennial Reproduction Symposium: Challenges and Opportunities Facing Livestock Reproduction in the 21st Century: Session 1: Global perspectives on animal health and livestock reproduction . 57 Triennial Reproduction Symposium: Challenges and Opportunities Facing Livestock Reproduction in the 21st Century: Session 2: Genetic infl uences on animal reproduction. 57 Late Breaking/Original Research . 57 Monday, July 13 POSTER PRESENTATIONS Animal Behavior and Well-Being . 58 Animal Health: Stress, Respiratory Disease, Small Ruminants. 59 Bioethics . 60 Breeding and Genetics: Beef Breeding, Poultry Breeding, and Genetics of Disease . 60 Dairy Foods: Dairy Foods/Cheese . 61 Forages and Pastures: Forages and Pastures: Forage Composition, Analysis and Utilization . 62 Graduate Student Paper Competition: CSAS Graduate Student Competition 1 . 64 Graduate Student Paper Competition: National ADSA Production MS Poster . 65 Graduate Student Paper Competition: National ADSA Production PhD Poster . 65 Lactation Biology . 66 Meat Science and Muscle Biology: Meat Science Poster Session 1 . 67 Nonruminant Nutrition: Feed Ingredients. 68 Physiology and Endocrinology: Endocrinology and Metabolism . 70 Production, Management and the Environment: Beef and Dairy . 72 Scientific Ruminant Nutrition: By-product Feeds. 72 TOC Ruminant Nutrition: Dairy. 74 Ruminant Nutrition: Forages . 77 Teaching/Undergraduate and Graduate Education. 77 SYMPOSIA AND ORAL SESSIONS SYMPOSIUM: Alpharma Beef Cattle Nutrition Symposium . 78 Animal Health: Mastitis, Lameness, and Stress . 78 Bioethics: A Scientist’s Guide to Approaching Bioethics . 79 Breeding and Genetics: Dairy Cattle Breeding I . 79 Breeding and Genetics: Molecular Genetics I. 80 Graduate Student Paper Competition: ADSA-ASAS Northeast Section . 81 Graduate Student Paper Competition: CSAS Graduate Student Oral Competition 1 . 81 Graduate Student Paper Competition: National ADSA Dairy Foods. 82 49 Graduate Student Paper Competition: National ADSA Production MS Oral. 83 Graduate Student Paper Competition: National ADSA Production PhD Oral . 83 Nonruminant Nutrition: Feed Ingredients. 84 Production, Management and the Environment: Environment . 85 Ruminant Nutrition: Dairy 1 . 85 Ruminant Nutrition: Growing Cattle and Beef Breeding Herd . 86 SYMPOSIUM: Teaching/Undergraduate and Graduate Education: Enhancing the Writing Experience . 87 SYMPOSIUM: ASAS Cell Biology Symposium . 87 ADSA-SAD (Student Affi liate Division) Undergraduate Competition: Dairy Foods . 88 Graduate Student Paper Competition: ADSA Southern Section . 88 SYMPOSIUM: Dairy Foods: Milk Protein Fractionation Symposium . 88 SYMPOSIUM: ADSA Southern Section Symposium: Dairy Replacement Health Challenges in the Southeastern U.S.. 89 ADSA-SAD (Student Affi liate Division) Undergraduate Competition: Dairy Production . 89 ADSA-SAD (Student Affi liate Division) Undergraduate Competition: Original Research. 90 Animal Health: Immunity and Swine Health . 90 SYMPOSIUM: Bioethics: Working through Biotheical Issues in Practice . 91 SYMPOSIUM: Breeding and Genetics: Whole Genome Selection - The New Frontier? . 91 SYMPOSIUM: Companion Animals: Dietary Supplements in Companion & Exotic Animal Nutrition - Use, Regulations & Safety. 92 Food Safety. 92 Graduate Student Paper Competition: CSAS Oral Competition 2 . 93 SYMPOSIUM: Meat Science and Muscle Biology: Balancing Live Cattle Performance and Beef Quality . 94 SYMPOSIUM: Nonruminant Nutrition: Improving the Nutritional Value of Alternative Feed Ingredients . 94 Physiology and Endocrinology: Dairy Cattle Reproduction. 94 Ruminant Nutrition: Feedlot, Byproduct Feeds. 95 SYMPOSIUM: Ruminant Nutrition: Forage Digestibility Estimates; Obtaining and Applying Meaningful Values . 96 Swine Species . 96 OTHER EVENTS JDS-JAS Reviewer Workshop . 97 Canadian Council on Animal Care Guidelines: The care and use of farm animals in research, teaching and testing . 97 50 Tuesday, July 14 POSTER PRESENTATIONS Animal Health: Mastitis and Associated Microbiology . 98 Breeding and Genetics: Dairy Cattle Breeding II and Rabbit Breeding . 99 Dairy Foods: Dairy Foods Processing/Cheese/Dairy Micro . 100 Food Safety. 102 Forages and Pastures: Pastures and Grazing . 102 Graduate Student Paper Competition: CSAS Graduate Student Competition 2 . 103 Growth and Development . 104 Horse Species . 106 Meat Science and Muscle Biology 2 . 106 Nonruminant Nutrition: Feed Additives I . 107 Nonruminant Nutrition: Nutrients. 108 Physiology and Endocrinology: Estrous Synchronization . 109 Production, Management and the Environment: Dairy . 111 Ruminant Nutrition: Additives . 112 Ruminant Nutrition: Effi ciency . 115 Ruminant Nutrition: Feedlot . 116 Ruminant Nutrition: Grass Cattle . 117 Small Ruminant: Lactation, Physiology, Reproduction, Health . 117 SYMPOSIA AND ORAL SESSIONS ADSA Foundation Scholar Lecture - Production. 119 SYMPOSIUM: Animal Health: Emerging Foreign Animal and Zoonotic Diseases. 119 Breeding and Genetics: Genomic Evaluation. 119 Companion Animals . 120 SYMPOSIUM: CSAS Symposium: Nutrition - Behavior Interaction in Ruminants . 120 Scientific TOC SYMPOSIUM: Forages and Pastures: Forage Management Strategies of Offset High Input Costs . 121 Growth and Development: Physiology of Growth In vivo and In vitro . 121 Lactation Biology 1 . 122 SYMPOSIUM: Meat Science and Muscle Biology: Effects of By-product Feeding on Meat Quality Traits . 123 Nonruminant Nutrition: Amino Acids and Energy. 123 Production, Management and the Environment: Dairy . 124 Ruminant Nutrition: Fat Supplementation . ..