Table of Contents

ABSTRACTS
AMERICAN DAIRY SCIENCE ASSOCIATION
AMERICAN SOCIETY OF ANIMAL SCIENCE

J. Anim. Sci. Vol. 84, Suppl. 1
J. Dairy Sci. Vol. 89, Suppl. 1

Complete Abstract Book


Sunday, July 9, 2006
SYMPOSIA AND ORAL SESSIONS

Triennial Reproduction Symposium: Symposium I — The Follicle and Oocyte 1 (Abstracts 1-3)
Triennial Reproduction Symposium: The USDA-NRI in Reproduction — Relevance to Production Agriculture 2 (Abstracts 4-6)
Triennial Reproduction Symposium: Concurrent Techniques Sections — Molecular Techniques and Statistics 3 (Abstracts 7-10)
Triennial Reproduction Symposium: Symposium II — Reproductive Immunology 4 (Abstracts 11-13)
Dairy Foods: Advances in Cultured Foods 5 (Abstracts 14-20)


Monday, July 10, 2006
POSTER PRESENTATIONS

Animal Health I 8 (Abstracts M1-M14)
Beef Species 12 (Abstracts M15-M21)
Breeding and Genetics I 14 (Abstracts M22-M38)
Forages and Pastures: Forage Quality 19 (Abstracts M39-M55)
Goat Species: Feeding Management of Goats 25 (Abstracts M56-M66)
Growth and Development 28 (Abstracts M67-M82)
Meat Science and Muscle Biology 33 (Abstracts M83-M98)
Nonruminant Nutrition: Dietary Influences in Nursery Pigs 39 (Abstracts M99-M126)
Physiology and Endocrinology: Estrous Synchronization 47 (Abstracts M127-M144)
Production, Management and the Environment I 53 (Abstracts M145-M163)
Ruminant Nutrition: Fat Feeding, Metabolism, and Composition 59 (Abstracts M164-M200)
Ruminant Nutrition: Metabolism and Immunology 71 (Abstracts M201-M215)
Ruminant Nutrition: Nitrogen Metabolism/Amino Acids - Dairy 75 (Abstracts M216-M234)
Ruminant Nutrition: Non-fibrous Carbohydrate and By-Product Feedstuffs 82 (Abstracts M235-M245)
Ruminant Nutrition: Ruminal Fermentation 86 (Abstracts M246-M255)
Swine Species 89 (Abstracts M256-M262)


SYMPOSIA AND ORAL SESSIONS

Animal Health I 92 (Abstracts 21-31)
Breeding and Genetics: Statistical Breeding 96 (Abstracts 32-42)
Food Safety: Ruminants as Reservoirs for Shiga Toxin-Producing Escherichia coli 99 (Abstracts 43-45)
Forages and Pastures: Quality and Antiquality 100 (Abstracts 46-55)
Goat Species: Potential of Goats as Biological Agents to Produce Meat, Control Vegetation and Restore Land 104 (Abstracts 56-59)
Graduate Student Paper Competition: Northeastern ASAS/ADSA Graduate Competition 105 (Abstracts 60-63)
Graduate Student Paper Competition: National ADSA Dairy Foods Division 106 (Abstracts 64-72)
Graduate Student Paper Competition: National ADSA Production Division 109 (Abstracts 73-82)
Meat Science and Muscle Biology 113 (Abstracts 83-92)
Nonruminant Nutrition: Nursery Nutrition - Swine 116 (Abstracts 93-104)
Physiology and Endocrinology: Metabolic Regulation of Food Intake 120 (Abstracts 105-108)
Ruminant Nutrition: Growing/Finishing Nutrition – Beef 121 (Abstracts 109-120)
Ruminant Nutrition: Rumen Fermentation Modifiers 125 (Abstracts 121-132)
Graduate Student Paper Competition: ADSA Southern Branch 128 (Abstracts 133-136)
ADSA-SAD – Undergraduate Competition: Dairy Production 130 (Abstracts 137-142)
Women and Minority Issues in Animal Agriculture Luncheon 131 (Abstract 143)
Animal Health: Johne’s Disease 132 (Abstracts 144-154)
Breeding and Genetics: Dairy Breeding 135 (Abstracts 155-165)
Dairy Foods: Cheese I 138 (Abstracts 166-174)
Dairy Foods: Political, Economic, and Scientific Considerations of Milk Component Utilization 141 (Abstracts 175-177)
Graduate Student Paper Competition: National ADSA Production Division (cont’d) 142 (Abstracts 178-183)
Growth and Development 144 (Abstracts 184-191)
Lactation Biology 146 (Abstracts 192-199)
Physiology and Endocrinology: Estrous Synchronization 149 (Abstracts 200-211)
Ruminant Nutrition: Connecting Rumen Microbiology to Ruminant Nutrition: Are We There Yet? 153 (Abstracts 212-215)
Ruminant Nutrition: Non-fibrous Carbohydrate & By-Product Feedstuffs 154 (Abstracts 216-226)
ADSA – SAD Undergraduate Competition: Dairy Foods 157 (Abstracts 227-230)
Sheep Species: Application of Genomics to Sheep Production 158 (Abstracts 231-235)
ADSA – SAD Undergraduate Competition: Original Research 159 (Abstracts 236-242)
Companion Animals: Advances in Companion Animals - BioMarkers 161 (Abstracts 243-244)


Tuesday, July 11, 2006
POSTER PRESENTATIONS

Animal Health II 163 (Abstracts T1-T10)
Breeding & Genetics II 166 (Abstracts T11-T29)
Companion Animals: Nutrition & Health 171 (Abstracts T30-T39)
Dairy Foods: Chemistry and Microbiology 174 (Abstracts T40-T72)
Extension Education 184 (Abstracts T73-T86)
Food Safety: Foodborne Pathogens in Beef and Dairy Cattle 188 (Abstracts T87-T92)
Forages and Pastures: Silages and Dairy 190 (Abstracts T93-T108)
Graduate Student Paper Competition: National ADSA Production Division Poster Competition 195 (Abstracts T109-T122)
Nonruminant Nutrition: Dietary Influences in Finishing Pigs 200 (Abstracts T123-T131)
Physiology and Endocrinology: Reproductive Physiology 202 (Abstracts T132-T151)
Production, Management and the Environment II 209 (Abstracts T152-T171)
Ruminant Nutrition: Acidosis 215 (Abstracts T172-T178)
Ruminant Nutrition: Growing/Finishing Nutrition – Beef 217 (Abstracts T179-T201)
Ruminant Nutrition: Minerals & Vitamins 224 (Abstracts T202-T228)
Ruminant Nutrition: Rumen Fermentation Modifiers 233 (Abstracts T229-T253)
Swine Species 240 (Abstracts T254-T261)


SYMPOSIA AND ORAL SESSIONS

Bioethics: Teaching Animal Ethics Within Today’s Animal Science Curriculum 244 (Abstracts 245-248)
Breeding and Genetics: Dairy Breeds 245 (Abstracts 249-259)
Companion Animals: Companion Animal Research: Contributions and Conflicts 248 (Abstracts 260-263)
Extension Education: Profitability of Dairy Farming in a Global Economy 249 (Abstracts 264-267)
Food Safety: Ruminant and Nonruminant Foodborne Pathogens 250 (Abstracts 268-276)
Forages and Pastures: Silages 253 (Abstracts 277-285)
Growth and Development: IGF and IGF Binding Proteins 256 (Abstracts 286-287)
Nonruminant Nutrition: New Frontiers in Amino Acid Research in Nonruminant Nutrition 256 (Abstracts 288-294)
Production, Management and the Environment I 258 (Abstracts 295-301)
Ruminant Nutrition: Forage & Fiber 261 (Abstracts 302-311)
Ruminant Nutrition: Transition Cow Metabolism 264 (Abstracts 312-322)
Sheep Species 267 (Abstracts 323-325)
Swine Species 269 (Abstracts 326-330)
ADSA Southern Section Symposium: Practical and Applied Approaches to Managing Dairy Businesses in the Future 270 (Abstracts 331-334)
Animal Health: Immunophysiology of Host-Environment Interactions: Implications for Disease Pathogenesis and Health Management of Production Livestock 272 (Abstracts 335-338)
Breeding and Genetics: Genetic Fitness 273 (Abstracts 339-349)
Dairy Foods: Chemistry and Microbiology 276 (Abstracts 350-358)
Dairy Foods: Production Meets Processing: A Vital Link for High Quality Dairy Foods 279 (Abstract 359)
Extension Education 280 (Abstracts 360-369)
Nonruminant Nutrition: Amino Acid Nutrition - Nursery to Finisher 283 (Abstracts 370-382)
Physiology and Endocrinology: Metabolic Physiology 287 (Abstracts 383-394)
Production, Management and the Environment II 291 (Abstracts 395-401)
Ruminant Nutrition: Fat Feeding, Metabolism & Composition 293 (Abstracts 402-414)
Ruminant Nutrition: Identifying Opportunities for Maximizing Forage Utilization? 297 (Abstracts 415-419)
Teaching/Undergraduate and Graduate Education: Student Engagement: The Classroom and Beyond 298 (Abstracts 420-425)


Wednesday, July 12, 2006
POSTER PRESENTATIONS

Animal Behavior and Well-Being 301 (Abstracts W1-W17)
Animal Health III 306 (Abstracts W18-W29)
Dairy Foods: Cheese, Products, and Processing 310 (Abstracts W30-W63)
Forages and Pastures: Grazing 319 (Abstracts W64-W76)
Goat Species: Product Quality and Reproductive Performance of Goats 324 (Abstracts W77-W88)
Horse Species: Equine Sciences 328 (Abstracts W89-W98)
Lactation Biology 331 (Abstracts W99-W117)
Nonruminant Nutrition: Dietary Influences on Boars, Sows and Gilt Development 337 (Abstracts W118-W127)
Nonruminant Nutrition: Enzyme Supplementation 340 (Abstracts W128-W132)
Nonruminant Nutrition: Nutrition – Broilers, Layers, Guinea Pigs, Rabbits and Rats 342 (Abstracts W133-W145)
Physiology and Endocrinology: Endocrinology/Metabolic Physiology 346 (Abstracts W146-W171)
Production, Management and the Environment III 354 (Abstracts W172-W186)
Ruminant Nutrition: Analytical Techniques 359 (Abstracts W187-W197)
Ruminant Nutrition: Calves & Heifers – Dairy 362 (Abstracts W198-W211)
Ruminant Nutrition: Feedstuff Digestibility & Nutritive Value 367 (Abstracts W212-W227)
Ruminant Nutrition: Forage & Fiber 372 (Abstracts W228-W240)
Sheep Species 376 (Abstracts W241-W253)
Teaching/Undergraduate and Graduate Education 380 (Abstracts W254-W259)


SYMPOSIA AND ORAL SESSIONS

ADSA Production Division, Dairy Reproductive Terminology Workshop 382 (Abstract 426)
ARPAS Symposium: Assessment and Management of Feedstuff Variation in Dairy Nutrition 382 (Abstracts 427-430)
Bioethics: Ethical and Social Issues in Animal Biotechnology 384 (Abstracts 431-433)
Dairy Foods: Products and Processing 384 (Abstracts 434-440)
Forages and Pastures: Forage Finishing 387 (Abstracts 441-448)
Goat Species: Improving Meat, Milk and Parasite Control in Goats 389 (Abstracts 449-453)
Horse Species: Equine Nutrition 391 (Abstracts 454-460)
Nonruminant Nutrition: Sow Nutrition and Gilt Development 393 (Abstracts 461-466)
Production, Management and the Environment III 395 (Abstracts 467-474)
Production, Management and the Environment IV 398 (Abstracts 475-483)
Ruminant Nutrition: Nitrogen Metabolism – Dairy 401 (Abstracts 484-490)
Ruminant Nutrition: Ruminal Fermentation 404 (Abstracts 491-497)
Teaching/Undergraduate and Graduate Education 406 (Abstracts 498-505)
ADSA Production Division: Meeting the Research and Educational Needs of the Dairy Industry During the Next 25 Years 409 (Abstracts 506-510)
Animal Behavior and Well-Being 410 (Abstracts 511-520)
Animal Health II 413 (Abstracts 521-532)
Beef Species 417 (Abstracts 533-543)
Breeding and Genetics: Phylogenetics and Genetic Diversity 421 (Abstracts 544-547)
Dairy Foods: Cheese II 422 (Abstracts 548-554)
International Animal Agriculture: Alternatives to Antibiotics if Feeding Ruminants for Optimal Production and Health 424 (Abstracts 555-558)
Lactation Biology: Local Control of Mammary Function 426 (Abstracts 559-567)
Nonruminant Nutrition: Enzyme Supplementation and By-Products in Swine Diets 429 (Abstracts 568-576)
Physiology and Endocrinology: Reproductive Physiology 432 (Abstracts 577-588)
Ruminant Nutrition: Calves & Heifers – Dairy 436 (Abstracts 589-599)
Ruminant Nutrition: Minerals & Vitamins 439 (Abstracts 600-613)


Thursday, July 13, 2006
SYMPOSIA AND ORAL SESSIONS

Beef Species: Enterprise Integration for Sustainable Beef Production 444 (Abstracts 614-616)
Breeding and Genetics: Beef, Sheep & Swine Breeding 445 (Abstracts 617-627)
FASS Environment, Waste Management and Ecosystems: Transforming Forages to Improve Nitrogen Use by Dairy Cows and Decrease Nitrogen Emissions 448 (Abstracts 628-633)
Physiology and Endocrinology: Endocrinology 450 (Abstracts 634-642)
Ruminant Nutrition: Grazing Nutrition 453 (Abstracts 643-648)
Ruminant Nutrition: Nitrogen Metabolism - Beef 455 (Abstracts 649-655)

ADSA Centennial Posters 458 (Abstracts C1-C42)

Author Index 471