Publications for members of NCERA-199, 2007 * indicates committee collaboration Achi, J. M., I. Misztal, and R. Rekaya. 2007. Modeling social competition assuming a single dominant animal per pen.J. Anim. Sci. 84(Suppl. 1):133. Aguilar, I., and I. Misztal. 2007. Recursive algorithm to compute inbreeding coefficients assuming non-zero inbreeding of unknown parents. J. Dairy Sci. 90(Suppl. 1):156. Allan, M. F., R. M. Thallman, R. A. Cushman, S. E. Echternkamp, S. N. White, L. A. Kuehn, E. Casas, and T. P. L. Smith. 2007. Association of a single nucleotide polymorphism in SPP1 with growth traits and twinning in a cattle population selected for twinning rate. J. Anim. Sci. 85:341347. Al-Seaf, A., J. F. Keown, and L. D. Van Vleck. 2007. Estimates of correlations among yield traits and somatic cell score with different models to adjust for bovine somatotropin effects on dairy cows. Genetics and Molecular Research 6:67-78. Al-Seaf, A., J. F. Keown, and L. D. Van Vleck. 2007. Genetic parameters for yield traits of cows treated or not treated with bovine somatotropin. J. Dairy Sci. 90:501-506. J. Series # 15023. Al-Seaf, A., J. F. Keown, and L. D. Van Vleck. 2007. Impact of bovine somatotropin on ranking for genetic value of dairy sires for milk yield traits and somatic cell score. Genetics and Molecular Research 6:79-93. J. Series # 15152. *American International Charolais Association. 2007. North American Charolais Cattle Evaluation. Summer/Fall ed. American-International Charolais Association, Kansas City, MO. Available: http://www.charolaisusa.com/TM/tabID__3716/tailored.aspx *American International Charolais Association. 2007. North American Charolais Cattle Evaluation. Winter/Spring ed. American-International Charolais Association, Kansas City, MO. *American International Charolais Association. 2006. North American Charolais Cattle Evaluation. Summer/Fall ed. American-International Charolais Association, Kansas City, MO. *American International Charolais Association. 2006. North American Charolais Cattle Evaluation. Winter/Spring ed. American-International Charolais Association, Kansas City, MO. Andersen, K. J., and L. R. Hyde. 2007. VQ 2 demonstrates Limousin, Lim-Flex carcass merit. Bottom Line. Fall:5-6. Arnett, A.M., J. M. Bormann, M. E. Dikeman, and D. W. Moser. 2007. Evaluation of the relationship between scrotal circumference and ultrasound intramuscular fat measurements in Angus cattle. J. Anim. Sci. 85(Suppl. 1):191(Abstr.). *Beckman, D.W., R.M. Enns, S.E. Speidel, B.W. Brigham and D.J. Garrick. 2007. Maternal effects on docility in Limousin cattle. Journal of Animal Science, 85: doi:10.2527/jas.2006-450 Beckman, D.W. and D.J. Garrick. 2007. Heterogeneous variance of docility scores in Limousin cattle. J. Anim. Sci. 58 (Suppl. 2):11-14. Blair, H.T. and D.J. Garrick. 2007. Application of new technologies in sheep breeding. New Zealand Journal of Agricultural Research, 50:85-98. Bobe, G., J.A. Minick Bormann, G.L. Lindberg, A.E. Freeman and D.C. Beitz. 2007. Short communication: Estimates of genetic variation of milk fatty acids in U.S. Holstein cows. J. Dairy Sci. Accepted Nov. 4, 2007. Bohmanova, J., I. Misztal and J. Cole. 2007. Comparison of seven temperature humidity indices as indicators of milk production losses due to heat stress in semi-arid and humid climates. J. Dairy Sci. 90:1947-1956. Bohmanova, J., I. Misztal, S. Tsuruta, H.D. Norman, and T.J. Lawlor. 2006. Heat Stress as a Factor in Genotype x Environment Interaction in U.S. Holsteins. J. Dairy Science. (Accepted) Bolsen, J.W., J. Minick Bormann, D.W. Moser, and T.T. Marston. 2006. Relationship between sire tenderness EPD and progeny carcass performance. J. Anim. Sci. 84(Suppl. 1): 166(Abstr.). Borm, A. C.T. Gaskins and L. Fox. 2006. Effects of Prepartum Intramammary Antibiotic Therapy on Udder Health, Milk Production, and Reproductive Performance in Dairy Heifers Manuscript Number: J. Dairy Sci. 89:2090-2098. Bormann, J.M. 2007. Tools available to aid selection for fertility. Beef Tips Newsletter, March 2007: 2. *Bormann, J.M., L.R. Totir, S.D. Kachman, R.L. Fernando, and D.E. Wilson. 2006. Pregnancy rate and first service conception rate in Angus heifers. J. Anim. Sci. 84:2022-2025. Bryant, J.R., N. Lopez-Villalobos, J.E. Pryce, C.W. Holmes, D.L. Johnson and D.J. Garrick. 2007. Environmental sensitivity in New Zealand Dairy Cattle. Journal of Dairy Science, 90:1538-1547. Bryant, J.R., N. Lopez-Villalobos, J.E. Pryce, C.W. Holmes, D.L. Johnson and D.J. Garrick. 2007. Short Communication: Effect of Environment on the expression of Breed and Heterosis Effects for Production Traits. Journal of Dairy Science, 90:1548-1553. *Bullock, K. D., D. R. Strohbehn, R. L. Weaber, E. J. Pollak, D. J. Garrick, J. K. Bertrand, D. W. Moser, and J. M. Reecy. 2006. From research to application: a model for educating beef producers in animal breeding technologies. In Proccedings: 8th World Congress on Genetics Applied to Livestock Production, August 13-18, 2006, Belo Horizonte, MG, Brasil. Accessed on February 23, 2007 from: http://www.wcgalp8.org.br/wcgalp8/articles/paper/34_601-850.pdf Cardoso FF, Rosa GJM, Tempelman RJ Accounting for outliers and heteroskedasticity in multibreed genetic evaluations of postweaning gain of Nelore-Hereford cattle JOURNAL OF ANIMAL SCIENCE 85 (4): 909-918 APR 2007 *Chen, C. Y., R. K. Johnson, S. D. Kachman, and L. D. Van Vleck. 2007. Effects of competition on expected response to selection for ADG. J. Anim. Sci. 85(Suppl.1)134. (Abstract) *Chen, C. Y., R. K. Johnson, S. Newman, S. D. Kachman, and L. D. Van Vleck. 2007. Estimation of genetic parameters for average daily gain using models with competition effects. J. Anim. Sci., Submitted Chen, C. Y., R. K. Johnson, S. Newman, and L. D. Van Vleck. 2007. A general review of genetic competition effects with an emphasis on swine breeding. Genetics and Molecular Research . In press *Chen, C. Y., S. D. Kachman, R. K. Johnson, and L. D. Van Vleck. 2007. Estimation of genetic parameters in selected lines of swine using models with competition effects. J. Anim. Sci. 85(Suppl.1):15. (Abstract) Christopher, J.A., T.T. Marston, J.M. Bormann, R.M. Breiner, and D.A. Llewellyn. 2006. Comparison of feed effieciency rankings of beef heifer calves fed low and high energy diets. J. Anim. Sci. 84(Suppl. 2):104(Abstr.). Chung, Hoyoung, Bonghwan Choi, Gilwon Jang, Kyungtai Lee, Hyunju Kim, Sungho Yoon, Seokki Im, Michael Davis, and Harold Hines. 2007. Effects of variants in the ovine skeletalmuscle specific calpain gene on body weight. J. Appl. Genet. 48(1): 63-68. Chung, H. Y., H. J. Park, M. E. Davis, and H. C. Hines. 2007. Assignment of the ovine calpain regulatory subunit gene to ovine chromosome 14. J. Anim. Breed. Genet. (submitted). Chung, H. Y., H. J. Park, S. H. Yoon, M. K. Back, B. H. Choi, G. W. Jang, K. T. Lee, S. K. Im, M. E. Davis, and H. C. Hines. 2007. Haplotype analysis of the ovine calpain regulatory subunit gene on weight traits. Asian-Australasian J. Anim. Sci. (submitted). Creason, F. E., W. H. Kolath, M. S. Kerley and R. L. Weaber. 2007. Relationship of Measures of Disposition and Feed Intake and Growth Performance of Steers. J. Anim. Sci. 85(Suppl. 2):1 (Abstr.) Creason, F. E. and R. L. Weaber. 2007. Correlation of Measures of Disposition with Gain Performance of Steers. J. Anim. Sci. 85(Suppl. 2):70. (Abstr.) *Cundiff, L. V., R. M. Thallman, L. D. Van Vleck, G. L. Bennett, and C. A. Morris. 2007. Cattle breed evaluation at the U.S. Meat Animal Research Centre and implications for commercial beef farmers. Proc. New Zealand Soc. Anim. Prod., 67:9-17.Wanaka, NZ.. *Da Silva, L. O. Campos, J. C. Souza, A. Gondo, C. H. M. Malhado, J. A. Freitas, I. W. Santos, J. R. B. Sereno, R. Weaber, L. D. Van Vleck, and W. R. Lamberson. 2007. Genetic parameters for weaning weight by age of dam for Brazilian Nellore. J. Anim. Sci. 85(Suppl.1):258-259. *DeGroot, B. J., J. F. Keown, L. D. Van Vleck, and S. D. Kachman. 2007. Estimates of genetic parameters for Holstein cows for test day yield traits with random regression cubic spline model. Genetics and Molecular Research 6(2):334-344. De Souza, J. C., L. T. Campos, J. A. de Freitas, R. L. Weaber, and W. R. Lamberson. 2007. Evaluation of Growth Traits of Brazilian Herefords using Multivariate Analysis. . J. Anim. Sci. 85(Suppl. 1):17. (Abstr.) *De Souza, J. C, L. O. C. da Silva, A. Gondo, C. H. M. Malhado, J. A. de Freitas, I. W. dos Santos, J. R. B. Sereno, R. L. Weaber, L. D. Van Vleck, and W. R. Lamberson. 2007. Genetic parameters for weaning weight by age of dam for Brazilian Nellore. . J. Anim. Sci. 85(Suppl. 1):258(Abstr.) De Souza, J. C., L. O. C. da Silva, A. Gondo, J. A. de Freitas, C. H. M. Malhado, P. B F. Filho, J. R. B. Sereno, R. L. Weaber, and W. R. Lamberson. 2007. Estimates of genetic parameters and genetic trends to Nellore cattle in Sao Paulo State, Brazil. J. Anim. Sci. 85(Suppl. 2):59. (Abstr.) Dorton, K. L., T. E. Engle, R. M. Enns, and J. J. Wagner. 2007. Effects of trace mineral supplementation, source, and growth implants on immune response of growing and finishing feedlot steers. Prof. Anim. Sci. 23(1): 29-35. Echternkamp, S. E., R. A. Cushman, M. F. Allan, R. M. Thallman, and K. E. Gregory. 2007. Effects of ovulation rate and fetal number on fertility in twin-producing cattle. J. Anim Sci. 85:3228-3238. Echternkamp, S. E., R. M. Thallman, R. A. Cushman, M. F. Allan, and K. E. Gregory. 2007. Increased calf production in cattle selected for twin ovulations and births. J. Anim Sci. 85:32393248. Elzo, M. A. 2007. Genetic evaluation in multibreed populations. Rev. Col. Cienc. Pec. 20:504507. Elzo, M. A. 2006. Genetic evaluation of animals in multibreed cattle populations using linear models. Latin-Amer. Arch. Anim. Prod. 14:154-160. Elzo, M. A., G. R. Hansen, J. G. Wasdin, J. D. Driver, and J. L. Jones. 2007. Evaluation of postweaning phenotypic residual feed intake in an Angus-Brahman multibreed herd of beef cattle. J. Anim. Sci.85(Suppl.1):475. Fulwider, W.K., T. Grandin, D.J. Garrick, T.E. Engle, W.D. Lamm, N.L. Dalsted and B.E. Rollin. 2007. Influence of free-stall base on tarsal joint lesions and hygiene in dairy cows. Journal of Dairy Science, 90:3559-3566. Garcia, M. D., J. J. Michal, C. T. Gaskins, J. J. Reeves, T. L. Ott,, Y. Liu and Z. Jiang. 2006. Significant association of the calpastatin gene with fertility and longevity in dairy cattle. Anim. Genet. 37(3):304-305. Garrick, D.J., B.W. Brigham, S.E. Speidel. 2007. Iterative solution of linear equations from national beef cattle evaluation. J. Anim. Sci. 58 (Suppl. 2):89-92. Geha, M., J. F. Keown, and L. D. Van Vleck. 2007. Statistical analysis of the effect of bovine somatotropin on reproduction and calving ease in commercial Holstein herds. J. Dairy Sci. 90(Suppl.1):3074-3075. (Abstract) *Huang, C., S. Tsuruta, J. K. Bertrand, I. Misztal, T. J. Lawlor, and J. S. Clay. 2007. Environmental Effects on Conception Rate of Holsteins in New York and Georgia. J. Dairy Sci. (Accepted) Huang, W., H. C. Hines, K. M. Irvin, K. Lee, and M. E. Davis. 2007. Estimation of genetic trends in insulin-like growth factor-I concentration and correlated responses in growth traits in lines of Angus beef cattle divergently selected for serum insulin-like growth factor-I concentration. J. Anim. Sci. (submitted). Huang, W., K. Lee, H. C. Hines, K. M. Irvin, and M. E. Davis. 2007. Detection of single nucleotide polymorphisms in bovine somatostatin and somatostatin receptor 2 genes in lines of Angus cattle divergently selected for serum insulin-like growth factor-I concentration. AsianAustralasian J. Anim. Sci. (submitted). Hyde, L. R. 2006. Beef Improvement Federation to meet in Mississippi. Bottom Line. Spring:14. Hyde, L. R. 2006. Resolve to help yourself, the breed this new year. Limousin World. January:100-101. Hyde, L. R. 2007. Understanding registration classifications. Limousin World. April:110-111. Hyde, L. R., and K. J. Andersen. 2006. Consider many things when selecting bulls. Bottom Line. Spring:5-7. Hyde, L. R., and K. J. Andersen. 2007. Visions Quest knocks cents into $MTI. Bottom Line. Summer:1,5. Hyde, L. R., and B. A. Parker. 2007. Don’t keep maternal efficiency a secret. Limousin World. May:72. Hyde, L. R., M. A. Zilk, and J. K. Kusma. 2007. Using the Limousin Inventory Management System. Limousin World. September:156-157. *Kachman, S. D. and L.D. Van Vleck. 2007. Technical Note: Calculation of standard errors of estimates of genetic parameters with the multiple-trait derivative-free restricted maximal likelihood programs. J. Anim Sci. 85:2375-2381. Kelley, A.L., K.C. Davis, P.G. Hatfield, R.W. Kott, J.M. Dafoe, and J.M. Rumph. 2007. The effects of safflower and vitamin E on the feedlot performance of rams divergently selected for lambing rate. J. Anim. Sci. 85(Suppl. 2). Koonawootrittriron, S., M. A. Elzo, and T. Suwanasopee. 2007. Characterization of a negative halothane gene comercial multibreed swine population for growth and conformation traits in tropical western Thailand. J. Anim. Sci.85(Suppl.1):57. Koonawootrittriron, S., M. A. Elzo, and T. Tongprapi. 2007. Genetic trends for dairy traits in the Holstein x Other multibreed dairy cattle population in tropical central Thailand. J. Anim. Sci.85(Suppl.1):19. Kuehn, L. A., G. A. Rohrer, D. J. Nonneman, R. M. Thallman, and K. A. Leymaster. 2007. Detection of single nucleotide polymorphisms associated with ultrasonic backfat depth in a segregating Meishan x White Composite population. J. Anim. Sci. 2007. 85:1111-1119. Lancaster, P. A., G. E. Carstens, M. E. Davis, T. H. Welsh, Jr., D. W. Forrest, R. D. Randel, and T. D. A. Forbes. 2006. Effects of divergent selection for serum IGF-I on growth, feed efficiency and carcass traits in Angus bulls and heifers. Beef Cattle Research in Texas Report, pp. 81-86. Lancaster, P. A., G. E. Carstens, J. J. Michal, K. M. Brennan, K. A. Johnson, L. J. Slay, L. O. Tedeschi, and M.E. Davis. 2007. Relationships between hepatic mitochondrial function and residual feed intake in growing beef calves. 2nd International Symposium on Energy and Protein Metabolism. *Legarra, A., J. K. Bertrand, T. Strabel, R. L. Sapp, J. P. Sanchez, and I. Misztal. 2007. Multibreed genetic evaluation in a Gelbvieh population. J. Anim. Breed. Genet. 124:286-295. Legarra, A., and I. Misztal. 2007. Computing strategies in genome-wide selection. J. Dairy Sci. (In Print) Maricle, E. A., J. C. De Souza, L. O. C. de Silva, A. Gondo, R. L. Weaber, and W. R. Lamberson. 2007. Genotype by environment interactions estimated by using reaction norms in Brazilian Nellore cattle. J. Anim. Sci. 85(Suppl. 1): 190. (Abstr.) Márquez, G.C. and D.J. Garrick. 2007. Selection intensities, generation intervals and population structure of Red Angus cattle. J. Anim. Sci. 58 (Suppl. 2):55-59. *McAllister, C.M., D.D. Kress, K.C. Davis, D.C. Anderson, R.M. Enns, D.L. Boss, and J.M. Rumph. 2007. Estimation of heterotic effects on heifer pregnancy in beef cattle. J. Anim. Sci. 85(Suppl. 2). Mesa, H., T. J. Safranski, K. M. Cammack, R. L. Weaber, and W.R. Lamberson. 2006. Survival at Farrowing in Swine and the Relation to Birth and Placental Weight. J. Anim. Sci. 84:32-40. Michal, J.J, Z.W. Zhang, C. T. Gaskins and Z. Jiang. 2006. The bovine fatty acid binding protein 4 gene is significantly associated with marbling and subcutaneous fat depth in Wagyu x Limousin F2 crosses. Anim. Genet. 37:400-402. *NALF. 2006. International Limousin Genetic Evaluation Manual. Fall ed. North American Limousin Foundation, Englewood, CO. Available: http://www.nalf.org/programs/programs.html. *NALF. 2006. International Limousin Genetic Evaluation Manual. Spring ed. North American Limousin Foundation, Englewood, CO. *NALF. 2007. International Limousin Genetic Evaluation Manual. Fall ed. North American Limousin Foundation, Englewood, CO. Available: http://www.nalf.org/programs/programs.html. *NALF. 2007. International Limousin Genetic Evaluation Manual. Spring ed. North American Limousin Foundation, Englewood, CO. O'Fallon, J.V., J.R. Busboom, M. L. Nelson, and C.T. Gaskins. 2007. A direct method for fatty acid methyl ester (FAME) synthesis: Application to wet meat tissues, oils and feedstuffs. J. Anim Sci. 85:1511-1521. Patterson, D. J., R. L. Weaber, M. F. Smith, D. C. Busch and J. L. Parcell. 2006. The Missouri Show-Me-Select(tm) Replacement Heifer Program. J. Anim. Sci. 84(Suppl. 1):187. (Abstr.) Pribyl, J., H. Krejcova, J. Pribylova, I. Misztal, J. Bohmanova, and M. Stipkova. 2007. Trajectory of body weight of performance tested dual-purpose bulls. Czech J. Anim.Sci. 52: 315324. Reuter, R. R., J. A. Carroll, J. W. Dailey, C.C. Chase, Jr., S.W. Coleman, D.G. Riley, D.E. Spiers, R. L. Weaber, and M. L. Galyean. 2007. Development of an automatic, indwelling rectal temperature probe for cattle research. J. Anim. Sci. 85(Suppl. 2): 12. (Abstr.) Reyes, A. de los, M. A. Elzo, V. M. Roso, R. Carvalheiro, L. A. Fries, and J. L. Ferreira. 2007. Animal model analyses of additive and non-additive genetic effects for 205-day weight in a Nellore x Hereford multibreed population in Brazil. J. Anim. Sci.85(Suppl.1):475. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo. 2007. Factors affecting bacterial score and bulk tank somatic cell count of dairy farms in the central region of Thailand. J. Anim. Sci.85(Suppl.1):639. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo. 2007. Factors affecting milk yield, milk fat, bacterial score, and bulk tank somatic cell count of dairy farms in the central region of Thailand. Trop. Anim. Health Prod. DOI: 10.1007/s11250-007-9074-5. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo. 2007. Factors affecting milk yield and milk fat of dairy farms located in the central region of Thailand. J. Anim. Sci.85(Suppl.2):33. Rhone, J. A., R. Ward, A. De Vries, S. Koonawootrittriron, and M. A. Elzo. 2007. Comparison of two milk pricing systems and their effect on milk price and milk revenue of dairy farms in the Central region of Thailand. Trop. Anim. Health Prod. (In press). Ribeiro, F. R. B., G. E. Carstens, P. A. Lancaster, L. O. Tedeschi, and M.E. Davis. 2007. Relationships of feed efficiency with carcass and non-carcass tissue composition in Angus bulls and heifers. J. Anim. Sci. 85 (Suppl. 1):455. Ribeiro, F. R. B., G. E. Carstens, P. A. Lancaster, L. O. Tedeschi, and M.E. Davis. 2007. Relationships between feed efficiency, carcass and ultrasound traits in Angus beef cattle divergently selected for serum IGF-I concentration. J. Anim. Sci. 85 (Suppl. 1):550. Ríos-Utrera, A., G. Martínez-Velázquez, S. Tsuruta, J.K. Bertrand, V.E. Vega-Murillo, and M. Montaño-Bermúdez. 2007. Estimates of genetic parameters for growth traits of Mexican Charolais cattle. Tec. Pecu. Mex. 45(2):121-130. Rolf, M. M., D. W. Moser, and L. R. Hyde. 2006. Significance of cytoplasmic origin on body composition in Limousin cattle. J. Anim. Sci. 84 (Suppl. 1):447. Rumph, J.M., D.D. Kress, K.C. Davis, D.C. Anderson, and D.L. Boss. 2007. Genetic analsysi of rebreeding to produce a calf at three years of age in the Montana Line 4 Hereford herd. J. Anim. Sci. 85(Suppl. 2). *Rumph, J.M., D.D. Kress, K.C. Davis, D.C. Anderson, R.M. Enns, C.M. McAllister, and D.L. Boss. 2007. Genetic analysis of rebreeding to produce a calf at three years of age in beef cows. J. Anim. Sci. 85(Suppl. 1). *Rumph, J.M., W.R. Shafer, D.H. Crews, Jr. , R.M. Enns, R.J. Lipsey, R.L. Quaas, and E.J. Pollak. 2007. Genetic evaluation of beef carcass data using different end point adjustments. J. Animal Sci. 85:1120-1125. *Rumph, J. M., W. R. Shafer, D.H. Crews, Jr., R.M. Enns, R.J. Lipsey, R.L. Quaas, and E.J. Pollak. 2007. Genetic evaluation of beef carcass data using different endpoint adjustments. Proc. Research Symposium and Annual Meeting, Beef Improvement Federation. Fort Collins, CO. 6-9 June. *Rumph, J.M., W.R. Shafer, D.H. Crews, Jr., R.M. Enns, R.J. Lipsey, R.L. Quaas, and E.J. Pollak. 2007. Should we change our carcass end points? Proceedings for the 39th Annual Research Symposium and Annual Meeting of the Beef Improvement Federation. Fort Collins, Colorado. Rumph, J.M., W.R. Shafer, and R.J. Lipsey. 2007. Evaluation of carcass EPD using single- vs. multi-trait analyses. J. Anim. Sci. 85(Suppl. 2). *Sanchez, J. P., I. Misztal, I. Aguilar, and J. K. Bertrand. 2007. Comparison of two methods for computing approximated accuracies for growth traits in random regression models. J. Anim. Sci. 84(Suppl. 1):157. *Sánchez, J. P., I. Misztal, I. Aguilar, and J. K. Bertrand. 2007. Genetic evaluation of growth in a multibreed beef cattle population using random regression linear spline models. J. Anim. Sci. 85, Suppl. 1. p.189. *Sanchez, J. P., I. Misztal, I. Aguilar, and J. K. Bertrand. 2007. Genetic evaluation of growth in a multibreed beef cattle population using random regression linear spline models. J. Anim. Sci. 84(Suppl. 1):116. *Sanchez, J.P. I. Misztal, and J.K. Bertrand. 2007. Comparison of two methods for computing approximated accuracies for growth traits in random regression models. J. Anim. Sci. 85, Suppl. 1. p. 375. Sapp, R.L., R. Rekaya, W.Zhang, and J.K. Bertrand. 2006. Use of phenotypic information to ascertain paternity. J. Anim. Sci. 84, Suppl. 1. p. 97. Sapp, R.L., R. Rekaya, and J.K. Bertrand. 2006. Ascertaining paternity using phenotypic and molecular information. J. Anim. Sci. 84, Suppl. 1. p. 97-98. Sapp, R.L., W. Zhang, J.K. Bertrand, and R. Rekaya. 2007. Genetic evaluation in the presence of uncertain additive relationships: I. Use of phenotypic information to ascertain paternity. J. Anim. Sci. 85:2391-2400. *Shafer, W. R., R. M. Bourdon, and R. M. Enns. Simulation of cow-calf production with and without realistic levels of variability. J. Anim. Sci. 2007. 85: 332-343. Shirley, K.L. and D. J. Garrick. 2007. Factors determining prices of yearling Angus bulls. J. Anim. Sci. 58 (Suppl. 2):101-104. Snellgrove, L., T. A. Hoagland, G. W. Kazmer, M. E. Davis, D. Schrieber, and S. A. Zinn. 2007. Follicle numbers on the ovaries of cows selected for high and low IGF. J. Anim. Sci. 85 (Suppl. 1):530. *Snowder, G. D., L. D. Van Vleck, L. V. Cundiff, and G. L. Bennett. 2006. Genetic parameters for respiratory disease in feedlot beef cattle. In: Editors, Proc., 8th World Cong. Gen. Appl. to Livestock Prod. CD-ROM communication n° 15-14. Belo Horizonte, MG, Brazil. Aug. 13-18, 2006. *Snowder, G. D., L. D. Van Vleck, L. V. Cundiff, G. L. Bennett, M. Koohmarie, and M. E. Dikeman. 2007. 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