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Paul, 2Suranaree University of Technology, Thailand.

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324

The expression patterns of HIF 1α, HYOU1, HO1, and cTnT during embryonic development in the chicken heart. S. Druyan*1, A. Cahaner2, and C. M. Ashwell1, 1North Carolina State University, Raleigh, 2Hebrew University, Rehovot, Israel.

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Production, Management & the Environment - Livestock and Poultry Broiler and Broiler Breeder Production and Management Chair: Roger Lien, Auburn University 213

Dosing with the fatty acid, sodium caprylate in the water did not reduce enteric Campylobacter concentrations in broilers. J.

  • H.

    Metcalf*1, K. Venkitanarayanan2, F. S. de los Santos1, A. M. Donoghue3, M. L. Dirain1, I. Reyes-Herrera1, V. Aguiar1,

  • P.

    Blore1, and D. J. Donoghue1, 1University of Arkansas, Fayetteville, 2University of Connecticut, Storrs, 3PPPSRU, ARS,

USDA, Fayetteville, AR.

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326

Performance comparison between the use and non-use of an enteric health antibiotic program in commercial broiler flocks. J. Bray*1,2, T. Cherry1, J. Carey2, and C. Smith1,2, 1Stephen F. Austin State University, Nacogdoches, TX, 2Texas A&M University, College Station.

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327

2 Saponin rich extracts from quillaja, yucca, soybean, and guar differ in antimicrobial and hemolytic activities. S. M. Hassan*1, J. A. Byrd2, A. M. Berhow3, C. A. Bailey1, and A. L. Cartwright1, 1Texas A&M University, College Station, USDA, Agricultural Research Service, College Station, TX, 3USDA, Agricultural Research Service, Peoria, IL.

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330

Effect of different feeding strategies on productivity of broiler breeders. L. F. Romero*1, M. J. Zuidhof , F. E. Robinson1, A. Naeima1, and R. A. Renema1, 1University of Alberta, Edmonton, AB, Canada, 2Alberta Agriculture and Food, Edmonton, AB, Canada.

2

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Effect of reducing body weight variability on the sexual maturation of broiler breeder females. R. A. Renema*1, L. F. Romero1, A. Naeima1, M. J. Zuidhof , and F. E. Robinson1, 1University of Alberta, Edmonton, AB., Canada, 2Alberta Agriculture and Food, Edmonton, AB., Canada.

2

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The energetics of female broiler breeders are affected by genotype and environment. M. J. Zuidhof*1, R. A. Renema2, F. E. Robinson2, and L. F. Romero2, 1Alberta Agriculture and Food, Edmonton, AB, Canada, 2University of Alberta, Edmonton, AB, Canada.

4:00 PM

333

Spread of a marker Salmonella in the presence of background Salmonella as detected from broiler litter. R. J. Buhr*1, L. J. Richardson1, N. A. Cox1, and B. D. Fairchild2, 1USDA, ARS, Athens, GA, 2University of Georgia, Athens.

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334

Effect of starter period duration on live oocyst vaccination efficacy and broiler performance following subsequent Eimeria challenge. J. T. Lee*1, N. H. Eckert1, S. M. Stevens1, S. Anderson1, P. Anderson1, H. D. Danforth2, A. P. McElroy3, and D. J. Caldwell1, 1Texas A&M University, College Station, 2USDA-ARS, Beltsville, MD, 3Virginia Polytechnic and State University, Blacksburg.

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335

Campylobacter contamination of broilers fed cottonseed or cottonseed products. J. A. Byrd*1, R. D. Stipanovic2, J. L. McReynolds1, L. F. Kubena1, and D. J. Nisbet1, 1USDA/ARS/SPARC, Food and Feedsafety Research Unit, College Station, TX, 2USDA/ARS/SPARC, Cotton Pathology Research Unit, College Station, TX.

2:45 PM

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Factors influencing distribution of pellets and fines in a commercial broiler pan feeding system. C. Hancock*, S. Beyer, C.

Rude, S. Daly, K. Dobbeleare, and J. Burden, Kansas State University, Manhattan.

329

Characterization of atmospheric ammonia/ammonium forms in broiler production facilities. C. S. Smith*2,1

, J. L. Bray2,1, T.

E. Cherry2, R. E. Lacey1, and J. B. Carey1, 1Texas A&M University, College Station, 2Stephen F. Austin State University, Nacogdoches, TX.

Production, Management & the Environment - Livestock and Poultry Dairy Production and Management I 214 A

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336

Reasons for culling in Iranian Holstein cows. A. A. Naserian1, M. Sargolzaee1, M. Sekhavati1, and B. Saremi*2, 1Ferdowsi University Of Mashad, Agric college, Animal Science Department, Mashhad, Khorasan Razavi, Iran, 2Education Center of Jihad-e Agriculture, Animal Science Departemnt, Mashhad, Khorasan Razavi, Iran.

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Commercial application of sex-sorted semen in Holstein heifers. J. M. DeJarnette*1, R. L. Nebel1, B. Meek2, J. Wells3, and C. E. Marshall1, 1Select Sires, Inc., Plain City, OH, 2Cache Valley Select Sires, Logan, UT, 3All West Select Sires, Turlock, CA.

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