Table of Contents

ABSTRACTS
AMERICAN DAIRY SCIENCE ASSOCIATION
AMERICAN SOCIETY OF ANIMAL SCIENCE

J. Anim. Sci. Vol. 83, Suppl. 1
J. Dairy Sci. Vol. 88, Suppl. 1

Complete Abstract Book

Sunday, July 24, 2005

Symposia and Oral Sessions

CSAS Mastitis: Udder Health Management—A Canadian Perspective 1

CSAS Vitamin: Vitamin Nutrition of Livestock Animals 2

Genomics: Functional Genomics for Livestock Improvement 4

Monday, July 25, 2005

Poster Presentations

Animal Health I 6

Breeding and Genetics I 9

Dairy Foods: Cheese 15

Extension Education 20

Growth and Development: Growth, Diet and Performance 22

Horse Species 27

Nonruminant Nutrition: Additives and Supplements 28

Nonruminant Nutrition: Mannan-Oligosaccharides, Yeast Culture, and Probiotics 32

Physiology and Endocrinology I 35

Production, Management and the Environment: Environment and Economics 42

Ruminant Nutrition: Beef Cattle 47

Ruminant Nutrition: Dairy I 56

Sheep Species 62

Swine Species: Swine Nutrition and Management 66

Symposia and Oral Sessions

ALPHARMA Beef Cattle Nutrition: Challenging the Limits of Caloric Intake in Feedlot Cattle 72

Breeding and Genetics: Statistical Methods I 73

Dairy Foods: Dairy Chemistry 75

Dairy Foods: Extended Shelf Life of Fluid Milk 77

Graduate Student Competition: National ADSA Dairy Production 78

Horse Species: Emerging Equestrian Varsity Competition 80

Lactation Biology: Lactation Persistency 81

Nonruminant Nutrition: Dietary Supplements and Additives 82

Physiology and Endocrinology I 85

Ruminant Nutrition: Dairy—Protein and Amino Acids 88

Swine Species: Effects of Maternal Nutrition on Offspring Performance 91

Breeding and Genetics: Dairy Crossbreeding 92

Ruminant Nutrition: Dairy—Grazing 93

ADSA-SAD: Original Research (Undergraduate) 96

Graduate Student Competition: ADSA Southern Branch 97

Graduate Student Competition: ADSA-ASAS Northeastern Branch 99

ADSA-SAD-Dairy Production (Undergraduate) 100

Breeding and Genetics: Sheep, Swine, and Dog Breeding 101

Breeding and Genetics: Statistical Methods II 103

Dairy Foods: Products and Processing 106

Dairy Foods: Forum on Cheese Ripening 109

Graduate Student Competition: National ADSA Dairy Foods 109

Growth and Development: Growth Promoters and Growth Measures 111

Meat Science and Muscle Biology: Novel Technologies in Muscle Biology/Fresh Meat Research 115

Nonruminant Nutrition: Weanling Pig Nutrition and Methodology 116

Physiology and Endocrinology II 119

Production, Management and the Environment: Impact of Culling Rate on Dairy Profitability 122

Ruminant Nutrition: Exploring the Boundaries of Efficiency in Lactation 124

Ruminant Nutrition: Beef—Feedstuffs and Predicting Feed Intake 125

Sheep Species: Management of Gastrointestinal Nematodes in Sheep 127

ADSA-SAD-Dairy Foods 129

Tuesday, July 26, 2005

Poster Presentations

Animal Behavior and Well-being: Behavior, Health and Nutrition 130

Animal Health II 132

Breeding and Genetics II 136

Dairy Foods: Chemistry and Products 142

Forages and Pastures: Additives, Nutrient Content, and Quality 146

Goat Species: Growth, Genetics, Physiology, Health, and Products 151

Graduate Student Competition—CSAS 154

Meat Science and Muscle Biology: Meat Quality Prediction and Enhancement 156

Nonruminant Nutrition: Amino Acids and Dietary Restrictions 160

Nonruminant Nutrition: Feedstuffs and Processing 164

Physiology and Endocrinology II 167

Production, Management and the Environment: Nutrition and Management 171

Ruminant Nutrition: Dairy II 176

Ruminant Nutrition: Methodology and Modeling 188

Ruminant Nutrition: Small Ruminants 192

Teaching/Undergraduate and Graduate Education 195

Symposia and Oral Sessions

Animal Health I 197

Beef Species: Vertical Coordination in the Beef Industry 200

Breeding and Genetics: Dairy Cattle Breeding for Non-Production Traits I 201

Forages and Pastures: Beef Cattle and Pastures 202

Graduate Student Competition—CSAS 206

Growth and Development: Postnatal Development as a Harbinger of Future Performance 208

Lactation Biology: Conjugated Linoleic Acid 210

Nonruminant Nutrition: Amino Acids 212

Physiology and Endocrinology III 215

Production, Management and the Environment: Health and Reproduction 218

Ruminant Nutrition: Dairy—Transition Cows 220

Ruminant Nutrition: Dairy and Beef—Minerals 222

Ruminant Nutrition: Small Ruminants 225

Teaching/Undergraduate and Graduate Education: Scholarship of Teaching as Related to Promotion and Tenure 227

Breeding and Genetics: International Evaluation of Dairy Bulls—In Honor of Dr. Rex Powell 228

ADSA Southern Section: Innovative Approaches to Address the Changing Needs of Our Dairy Industry 229

Breeding and Genetics: Genetics of New and Emerging Traits 230

Dairy Foods: Cheese I—Cheddar, Mozzarella, and Kashar Cheeses 232

Extension Education: Cow Comfort on Commercial Dairy Operations 234

Food Safety: Pathogen Control Interventions 236

Forages and Pastures: Emerging Techniques for Predicting Forage Quality 238

Meat Science and Muscle Biology: Muscle Growth and Fresh Meat Quality 239

Milk Protein and Enzymes: Milk Protein Interactions 241

Nonruminant Nutrition: Stable Isotope Tracer Techniques for Nonruminant Nutrition Research and Their Practical Applications 242

Physiology and Endocrinology IV 243

Production, Management and the Environment: Nutrition, Management, and Environment 246

Ruminant Nutrition: Dairy—Fiber and Digestion 249

Ruminant Nutrition: Dairy—Calves and Heifers 253

Wednesday, July 27, 2005

Poster Presentations

Animal Behavior and Well-Being: Dairy Cattle, Housing Management and Stress 256

Animal Behavior and Well-Being: Sow Housing, Management and Stress 257

Animal Behavior and Well-Being: Swine Handling, Transportation and Stress 258

Animal Health III 260

Beef Species 263

Companion Animals: Nutritional and Health Considerations for Companion Animals I 265

Dairy Foods: Dairy Microbiology and Dairy Processing 266

Food Safety: Control of Hazards 270

Forages and Pastures: Feeding and Management 273

Goat Species: Nutrition Grazing, and Forages 276

Growth and Development: Physiology of Growth and Development 279

International Animal Agriculture 285

Lactation Biology 286

Nonruminant Nutrition: Enzyme Supplementation and Methodology 290

Nonruminant Nutrition: Minerals 294

Physiology and Endocrinology III 297

Production, Management and the Environment: Health and Reproduction 300

Ruminant Nutrition: Feed Additives and Feedstuffs 304

Ruminant Nutrition: Protein and Amino Acids 314

Women & Minority Issues in Animal Agriculture 323

Symposia and Oral Sessions

Animal Behavior and Well-being: Swine Transportation Handling & Feed Restriction 324

Beef Species 325

Breeding and Genetics: Beef Cattle Breeding and Genetics 326

Extension Education: Environment and National Animal Identification System 328

Extension Education: Training Programs, Program Evaluation, and Economics 330

FASS Symposium on Toxic Levels of Minerals 332

Nonruminant Nutrition: Feed Ingredients and Processing 334

Production, Management and the Environment: Dairy and Livestock Management 336

Production, Management and the Environment: Heat Stress 338

Ruminant Nutrition: Dairy—Feed Additives 340

Sheep Species 342

Swine Species: Swine Nutrition and Management 344

Animal Behavior and Well-being: Sow and Boar Behavior and Housing 346

ADSA Production Division Symposium: Forage Analysis: Concept to Application 347

Animal Behavior and Well-being: Weaning and Animal Welfare 348

Animal Health II 349

Breeding and Genetics: Dairy Cattle Breeding for Non-Production Traits II 353

Companion Animals: Nutritional and Health Considerations for Companion Animals II 354

Dairy Foods: Cheese II - Cream, Process, Italian, and Other Cheeses 357

Food Safety: The Future of Food Safety: An Issue of National Importance 359

Goat Species: Educational Resources and Field Experiences to Enhance and Promote Goat Production and Management 360

International Animal Agriculture 362

Lactation Biology 363

Physiology and Endocrinology: Effects of Maternal Nutrient Supply on Embryonic and Fetal Development and Postnatal Performance 366

Ruminant Nutrition: Beef—Feedlot 367

Ruminant Nutrition: Dairy—Fats 371

Animal Behavior and Well-being: Dairy Cattle Housing, Management, and Stress 373

Animal Behavior and Well-being: Cattle, Pain Stress and Welfare 374

Thursday, July 28, 2005

Symposia and Oral Sessions

Animal Behavior and Well-being: Attitudes Toward Animal Welfare and Human Animal-Interaction 376

Alpharma Symposium: Animal Health—Acidosis in Dairy Cattle 377

Breeding and Genetics: Dairy Cattle Breeding for Production and Non-Production Traits 378

Companion Animals: New Advances in Pet Health, Nutrition and Reproductive Management 381

Extension Education: Current Topics in Dairy Management—Transition Cows 382

Forages and Pastures: Composition and Quality 383

Growth and Development: Growth Factors and Growth 385

Nonruminant Nutrition: Enzyme Supplementation 388

Ruminant Nutrition: Dairy—Behavior, Modeling, and Production 392

Ruminant Nutrition: Beef and Small Ruminant—Nitrogen Metabolism 395