Projects

EVALUATION, DEVELOPMENT, AND USE OF GENETIC RESOURCES TO IMPROVE LIFE-CYCLE EFFICIENCY OF BEEF CATTLE AND SHEEP Appropriated (D)   Accession Number: 412255

A SINGLE NUCLEOTIDE POLYMORPHISM (SNP) MARKER SET FOR DNA-BASED TRACEBACK IN NORTH AMERICAN BEEF AND DAIRY CATTLE Specific Cooperative Agreement (S)   Accession Number: 409004

Publications

Does breed of ram affect ewe and lamb productivity? - (Popular Publication) - (12-Jan-09)

Extreme muscle development in sheep heterozygous for both myostatin and callipyge mutations - (Abstract)

Smith, T.P., Freking, B.A., Shackelford, S.D., King, D.A., Wheeler, T.L., Leymaster, K.A. 2009. Extreme muscle development in sheep heterozygous for both myostatin and callipyge mutations. Plant and Animal Genome Conference Proceedings. Jan. 10-14, 2009. San Diego, CA. Abstract W084.

A paradigm for virus-host coevolution: Sequential counter-adaptations between endogenous and exogenous retroviruses - (Peer Reviewed Journal)

Arnaud, F., Caporale, M., Varela, M., Biek, R., Chessa, B., Alberti, A., Golder, M., Mura, M., Zhang, Y., Yu, L., Pereira, F., De Martini, J.C., Leymaster, K.A., Spencer, T.E., Palmarini, M. 2007. A paradigm for virus-host coevolution: Sequential counter-adaptations between endogenous and exogenous retroviruses. PLoS Pathogens Vol. 3(11):e170 doi:10.1371/journal.ppat.0030170.

Number of Fetuses and Conceptus Growth Throughout Gestation in Lines of Pigs Selected for Either Ovulation Rate or Uterine Capacity - (Peer Reviewed Journal)

Freking, B.A., Leymaster, K.A., Vallet, J.L., Christenson, R. 2007. Number of fetuses and conceptus growth throughout gestation in lines of pigs selected for either ovulation rate or uterine capacity. Journal of Animal Science. 85(9):2093-2103.

Associations of Candidate SNP on Age, Leptin Concentration, Backfat, and Body Weight at Puberty in Gilts - (Abstract)

Kuehn, L.A., Nonneman, D.J., Jiang, Z., Leymaster, K.A., Wise, T.H. 2007. Associations of candidate SNP on age, leptin concentration, backfat, and body weight at puberty in gilts [abstract]. Journal of Animal Science. 85(Suppl. 2):63. Abstract #50.

Evaluating the Feasibility of Fitting Haplotype Effects as Random: Variance Component Estimation - (Abstract)

Kuehn, L.A., Thallman, R.M., Leymaster, K.A. 2007. Evaluating the feasibility of fitting haplotype effects as random: Variance component estimation [abstract]. Journal of Animal Science. 85(Supplement 1):669-670. Abstract #945.

Evaluation of Dorper, Dorset, Katahdin, and Rambouillet crossbred ewes in high- and low-input production systems - (Abstract)

Leymaster, K.A. 2007. Evaluation of Dorper, Dorset, Katahdin, and Rambouillet crossbred ewes in high- and low-input production systems [abstract]. Journal of Animal Science. 85 (Supplement 1):458-459. Abstract #671.

Detection of Single Nucleotide Polymorphisms Associated with Ultrasonic Backfat Depth in a Segregating Meishan x White Composite Population - (Peer Reviewed Journal)

Kuehn, L.A., Rohrer, G.A., Nonneman, D.J., Thallman, R.M., Leymaster, K.A. 2007. Detection of single nucleotide polymorphisms associated with ultrasonic backfat depth in a segregating Meishan x White Composite population. Journal of Animal Science. 85:1111-1119.

BREED EFFECTS ON GROWTH, CARCASS AND MEAT QUALITY TRAITS OF SHEEP - (Proceedings/Symposium)

Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2006. Breed effects on growth, carcass and meat quality traits of sheep. Proceedings of the British Society of Animal Science, New Developments in Sheepmeat Quality. p. 43-47.

DETECTION OF SINGLE NUCLEOTIDE POLYMORPHISMS ON PORCINE CHROMOSOME 7 ASSOCIATED WITH ULTRASONIC BACKFAT IN A SEGREGATING MEISHAN X WHITE CROSS POPULATION USING A MODEL WITH POLYGENIC EFFECTS - (Abstract)

Kuehn, L.A., Rohrer, G.A., Nonneman, D.J., Thallman, R.M., Leymaster, K.A. 2006. Detection of single nucleotide polymorphisms on porcine chromosome 7 associated with ultrasonic backfat in a segregating Meishan x White Cross population using a model with polygenic effects. (Abstract) Animal Genetics International Conference Proceedings. p. 104. Abstract #E353.

DIRECT BREED EFFECTS ON GROWTH, CARCASS, AND MEAT QUALITY TRAITS OF SHEEP - (Proceedings/Symposium)

Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2006. Direct breed effects on growth, carcass, and meat quality traits of sheep. Proceedings of the 8th World Congress of Genetics Applied to Livestock Production. CD-ROM Communication No. 32-12. Belo Horizonte, Brazil.

CALLIPYGE MUTATION AFFECTS GENE EXPRESSION IN CIS: A POTENTIAL ROLE FOR CHROMATIN STRUCTURE - (Peer Reviewed Journal)

Murphy, S.K., Nolan, C.M., Huang, Z., Kucera, K.S., Freking, B.A., Smith, T.P.L., Leymaster, K.A., Weidman, J.R., Jirtle, R.L. 2006. Callipyge mutation affects gene expression in cis: A potential role for chromatin structure. Genome Research. 16:340-346.

WHAT WE HAVE LEARNED ABOUT PRENATAL PHYSIOLOGY IN THE PIG FROM UTERINE CROWDING EXPERIMENTS - (Abstract)

Vallet, J., Freking, B., Kayser, J.P., Christenson, R., Leymaster, K. 2006. What we have learned about prenatal physiology in the pig from uterine crowding experiments [abstract]. Journal of Animal Science. 84 (Supplement 2):71-72. (Abstract #95)

EVALUATION OF ASSOCIATIONS BETWEEN PRION HAPLOTYPES AND GROWTH, CARCASS, AND MEAT QUALITY TRAITS IN A DORSET X ROMANOV SHEEP POPULATION - (Peer Reviewed Journal)

Isler, B.J., Freking, B.A., Thallman, R.M., Heaton, M.P., Leymaster, K.A. 2006. Evaluation of associations between prion haplotypes and growth, carcass, and meat quality traits in a Dorset x Romanov sheep population. Journal of Animal Science. 84:783-788.

A FREELY-AVAILABLE SET OF REFERENCE DNAS FOR GENOTYPING THE MAJOR SCRAPIE SUSCEPTIBILITY ALLELES IN SHEEP - (Abstract)

Heaton, M.P., Leymaster, K.A., Clawson, M.L., Freking, B.A., Laegreid, W.W. 2006. A freely-available set of reference DNAs for genotyping the major scrapie susceptibility alleles in sheep [abstract]. Plant and Animal Genome Conference Proceedings. p. 239.

EVALUATION OF THE OVINE CALLIPYGE LOCUS: IV. GENOTYPIC EFFECTS ON REPRODUCTIVE TRAITS - (Peer Reviewed Journal)

Freking, B.A., Leymaster, K.A. 2006. Evaluation of the ovine callipyge locus: IV. Genotypic effects on reproductive traits. Journal of Animal Science. 84:311-316.

USE OF HAIR BREEDS IN INTEGRATED SYSTEMS - (Proceedings/Symposium)

Leymaster, K.A. 2006. Use of hair breeds in integrated systems. Proceedings Hair Sheep Workshop. Virginia State University, Petersburg, VA, June 20-21, 2005. Available: http://www.sheepandgoat.com/HairSheepWorkshop/index.html.

EVALUATION OF WOOL AND HAIR BREEDS FOR GROWTH, CARCASS, AND MEAT QUALITY TRAITS - (Proceedings/Symposium)

Leymaster, K.A., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2005. Evaluation of wool and hair breeds for growth, carcass, and meat quality traits. In: Proceedings of the North American Hair Sheep Symposium, October 6-8, 2005, San Angelo, TX. 2005 CDROM.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: V. REPRODUCTION OF F1 EWES IN SPRING MATING SEASONS - (Peer Reviewed Journal)

Casas, E., Freking, B.A., Leymaster, K.A. 2005. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: V. Reproduction of F1 ewes in spring mating seasons. Journal of Animal Science. 83:2743-2751.

EXPERIMENTAL RESULTS TO TAKE TO THE BANK - (Popular Publication)

Leymaster, K.A., Freking, B.A., Casas, E. 2005. Experimental results to take to the bank. The Shepherd. 50(9):11-14.

ALLELIC VARIATION IN THE SECRETED FOLATE BINDING PROTEIN GENE IS ASSOCIATED WITH UTERINE CAPACITY IN SWINE - (Peer Reviewed Journal)

Vallet, J.L., Freking, B.A., Leymaster, K.A., Christenson, R. 2005. Allelic variation in the secreted folate binding protein gene is associated with uterine capacity in swine. Journal of Animal Science. 83(8):1860-1867.

FINE MAPPING OF A QTL IN A SWINE POPULATION SELECTED FOR OVULATION RATE - (Abstract)

Mousel, M.R., Rohrer, G.A., Leymaster, K.A., Christenson, R. 2005. Fine mapping of a QTL in a swine population selected for ovulation rate. Journal of Animal Science 83(Suppl. 1):231-232.

ESTIMATES OF GENETIC PARAMETERS FOR FEED INTAKE, FEEDING BEHAVIOR, AND DAILY GAIN IN COMPOSITE RAM LAMBS - (Peer Reviewed Journal)

Cammack, K.M., Leymaster, K.A., Jenkins, T.G., Nielsen, M.K. 2005. Estimates of genetic parameters for feed intake, feeding behavior, and daily gain in composite ram lambs. Journal of Animal Science. 83:777-785.

ALLELIC VARIATION IN THE ERYTHROPOIETIN RECEPTOR GENE IS ASSOCIATED WITH UTERINE CAPACITY AND LITTER SIZE IN SWINE - (Peer Reviewed Journal)

Vallet, J.L., Freking, B.A., Leymaster, K.A., Christenson, R.K. 2005. Allelic variation in the erythropoietin receptor gene is associated with uterine capacity and litter size in swine. Animal Genetics. 36(2):97-103.

A 12 BP INSERTION/DELETION (IN/DEL) POLYMORPHISM IN THE SECRETED FOLATE BINDING PROTEIN (SFBP) GENE IS ASSOCIATED WITH UTERINE CAPACITY AND OVULATION RATE IN SWINE - (Abstract)

Vallet, J.L., Freking, B.A., Leymaster, K.A., Christenson, R.K. 2005. A 12 bp insertion/deletion (in/del) polymorphism in the secreted folate binding protein (sFBP) gene is associated with uterine capacity and ovulation rate in swine [abstract]. Journal of Animal Science. 83 (Supplement 2):87.

EFFECTS OF PRION HAPLOTYPE ON GROWTH AND CARCASS TRAITS IN SHEEP - (Peer Reviewed Journal)

Isler, B.J., Freking, B.A., Heaton, M.P., Thallman, R.M., Leymaster, K.A. 2005. Effects of prion haplotype on growth and carcass traits in sheep [abstract]. Midwestern Section of the American Society of Animal Science. 83(Suppl. 2):44-45

PRENATAL MORTALITY THROUGHOUT GESTATION IN LINES OF PIGS SELECTED FOR EITHER OVULATION RATE OR UTERINE CAPACITY - (Abstract)

Freking, B.A., Leymaster, K.A., Christenson, R., Vallet, J.L. 2005. Prenatal mortality throughout gestation in lines of pigs selected for either ovulation rate or uterine capacity [abstract]. Midwestern Section of the American Society of Animal Science. 83(Suppl. 2):41. Paper No. 28.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: IV. SURVIVAL, GROWTH, AND CARCASS TRAITS OF F1 LAMBS - (Peer Reviewed Journal)

Freking, B.A., Leymaster, K.A. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: IV. Survival, growth, and carcass traits of F1 lambs. Journal of Animal Science. 82:3144-3153.

COMPETING RISKS ANALYSIS OF LAMB MORTALITY IN A TERMINAL SIRE COMPOSITE POPULATION - (Peer Reviewed Journal)

Southey, B.R., Rodriguez-Zas, S.L., Leymaster, K.A. 2004. Competing risks analysis of lamb mortality in a terminal sire composite population. Journal of Animal Science. 82:2892-2899.

VALIDATION OF QTLS IN A SWINE POPULATION SELECTED FOR OVULATION RATE - (Abstract)

Mousel, M.R., Rohrer, G.A., Leymaster, K.A., Christenson, R.K. 2004. Validation of QTLs in a swine population selected for ovulation rate. Journal of Animal Science 82(Supplement 1):452.

MEAT QUALITY AND THE CALLIPYGE GENE, CONSUMER ACCEPTANCE AND FINAL PRODUCT - (Proceedings/Symposium)

Freking, B.A., Smith, T.P., Leymaster, K.A. 2004. Meat quality and the callipyge gene, consumer acceptance and final product. In: Proceedings of the 7th World Sheep and Wool Congress 2004, July 17-24, 2004, Quebec, Canada. p. 92-102.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL AND MONTADALE BREEDS OF SHEEP: III. WOOL CHARACTERISTICS OF F1 EWES - (Peer Reviewed Journal)

Lupton, C.J., Freking, B.A., Leymaster, K.A. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel and Montadale breeds of sheep: III. Wool characteristics of F1 ewes. Journal of Animal Science. 82:2293-2300.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: REPRODUCTION OF F1 EWES IN SPRING MATING SEASONS - (Abstract)

Leymaster, K.A., Casas, E., Freking, B.A. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: Reproduction of F1 ewes in spring mating seasons. [abstract] Journal of Animal Science Supplement. 82(Suppl. 1):390. Paper No. 647.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: II. REPRODUCTION OF F1 EWES IN FALL MATING SEASONS - (Peer Reviewed Journal)

Casas, E., Freking, B.A., Leymaster, K.A. 2004. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: II. Reproduction of F1 ewes in fall mating seasons. Journal Of Animal Science. 82:1280-1289.

PRION GENE SEQUENCE VARIATION WITHIN DIVERSE GROUPS OF U.S. SHEEP, BEEF CATTLE, AND DEER - (Abstract)

HEATON, M.P., LEYMASTER, K.A., FREKING, B.A., HAWK, D.A., KEELE, J.W., LAEGREID, W.W. PRION GENE SEQUENCE VARIATION WITHIN DIVERSE GROUPS OF U.S. SHEEP, BEEF CATTLE, AND DEER. PLANT AND ANIMAL GENOME CONFERENCE PROCEEDINGS. 2004. ABSTRACT NO. P311.

ACCURATE DETERMINATION OF PRNP HAPLOTYPES IN U.S. SHEEP - (Abstract)

HEATON, M.P., LEYMASTER, K.A., FREKING, B.A., LAEGREID, W.W. ACCURATE DETERMINATION OF PRNP HAPLOTYPES IN U.S. SHEEP. PLANT AND ANIMAL GENOME CONFERENCE PROCEEDINGS. 2004. ABSTRACT NO. P312.

RELATIONSHIP BETWEEN LITTER BIRTH WEIGHT AND LITTER SIZE IN SIX BREEDS OF SHEEP - (Peer Reviewed Journal)

FREETLY, H.C., LEYMASTER, K.A. RELATIONSHIP BETWEEN LITTER BIRTH WEIGHT AND LITTER SIZE IN SIX BREEDS OF SHEEP. JOURNAL OF ANIMAL SCIENCE. 2004. v. 82. p. 612-618.

THE CALLIPYGE MUTATION FOR SHEEP MUSCULAR HYPERTROPHY - GENETICS, PHYSIOLOGY AND MEAT QUALITY - (Other)

Freking, B.A., Smith, T.P., Leymaster, K.A. 2004. The callipyge mutation for sheep muscular hypertrophy - genetics, physiology and meat quality. In: M.F.W. te Pas, M.E. Everts and H.P. Haagsman, editors. Muscle Development in Livestock. CAB International, United Kingdom. Chapter 15. p. 317-342.

EFFECTS OF BREED OF SIRE ON CARCASS COMPOSITION AND SENSORY TRAITS OF LAMB - (Abstract)

Shackelford, S.D., Leymaster, K.A., Wheeler, T.L., Koohmaraie, M. 2003. Effects of breed of sire on carcass composition and sensory traits of lamb [abstract]. American Meat Science Association Conference Reciprocal Proceedings. 56:112.

PRION GENE SEQUENCE VARIATION WITHIN DIVERSE GROUPS OF U.S. SHEEP, BEEF CATTLE, AND DEER - (Peer Reviewed Journal)

HEATON, M.P., LEYMASTER, K.A., FREKING, B.A., HAWK, D.A., SMITH, T.P., KEELE, J.W., SNELLING, W.M., FOX, J.M., CHITKO MCKOWN, C.G., LAEGREID, W.W. PRION GENE SEQUENCE VARIATION WITHIN DIVERSE GROUPS OF U.S. SHEEP, BEEF CATTLE, AND DEER. MAMMALIAN GENOME. 2003. V. 14. P. 765-777.

COMPETING RISKS ANALYSIS OF LAMB MORTALITY - (Abstract)

SOUTHEY, B.R., RODRIGUEZ-ZAS, S.L., LEYMASTER, K.A. COMPETING RISKS ANALYSIS OF LAMB MORTALITY. JOURNAL OF ANIMAL SCIENCE SUPPLEMENT. 2003. v. 81(SUPPL. 1) p. 68. Abstract No. 268.

EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: PRODUCTIVITY OF F1 EWES IN FALL BREEDING SEASONS - (Proceedings/Symposium)

CASAS, E., FREKING, B.A., LEYMASTER, K.A. EVALUATION OF DORSET, FINNSHEEP, ROMANOV, TEXEL, AND MONTADALE BREEDS OF SHEEP: PRODUCTIVITY OF F1 EWES IN FALL BREEDING SEASONS. JOURNAL OF ANIMAL SCIENCE SUPPLEMENT. Vol. 81(Suppl. 1):67. 2003.

EFFECTS OF SELECTION FOR OVULATION RATE OR UTERINE CAPACITY ON NUMBER AND WEIGHT OF PIGS AT BIRTH AND WEANING - (Abstract)

CHRISTENSON, R.K., LEYMASTER, K.A. EFFECTS OF SELECTION FOR OVULATION RATE OR UTERINE CAPACITY ON NUMBER AND WEIGHT OF PIGS AT BIRTH AND WEANING. BIOLOGY OF REPRODUCTION ABSTRACTS. 2003. v. 68(Suppl. 1). p. 244. Abstract No. 321.

DISCRETE TIME SURVIVAL ANALYSIS OF LAMB MORTALITY IN A TERMINAL SIRE COMPOSITE POPULATION - (Peer Reviewed Journal)

Southry, B.R., Rodriguez-Zas, S.L., Leymaster, K.A. 2003. Discrete time survival analysis of lamb mortality in a terminal sire composite population. Journal of Animal Science. 81:1399-1405.

A POLYMORPHISM IN THE PIG ERYTHROPOIETIN RECEPTOR (EPOR) GENE IS ASSOCIATED WITH UTERINE CAPACITY - (Abstract)

Vallet, J.L., Freking, B.A., Leymaster, K.A., Christenson, R.K. 2003. A polymorphism in the pig erythropoietin receptor (EPOR) gene is associated with uterine capacity [abstract]. Journal of Animal Science 81(Supplement 2):61.

IDENTIFICATION OF THE SINGLE BASE CHANGE CAUSING THE CALLIPYGE MUSCLE HYPERTROPHY PHENOTYPE, THE ONLY KNOWN EXAMPLE OF POLAR OVERDOMINANCE IN MAMMALS. - (Peer Reviewed Journal)

Freking, B.A., Murphy, S., Wylie, A., Jirtle, R.L., Rhodes, S., Keele, J.W., Leymaster, K.A., Smith, T.P. 2002. Identification of the single base change causing the callipyge muscle hypertrophy phenotype, the only known example of polar overdominance in animals. Genome Research. 12:1496-1506.

FUNDAMENTAL ASPECTS OF CROSSBREEDING OF SHEEP: USE OF BREED DIVERSITY TO IMPROVE EFFICIENCY OF MEAT PRODUCTION - (Peer Reviewed Journal)

Leymaster, K.A. 2002. Fundamental aspects of crossbreeding of sheep: Use of breed diversity to improve efficiency of meat production. Sheep and Goat Research Journal. 17(3):50-59.

CORRELATED RESPONSES IN GRAVID UTERINE, FARROWING AND WEANING TRAITS TO SELECTION OF PIGS FOR OVULATION RATE OR UTERINE CAPACITY - (Proceedings/Symposium)

CHRISTENSON, R.K., LEYMASTER, K.A. CORRELATED RESPONSES IN GRAVID UTERINE, FARROWING AND WEANING TRAITS TO SELECTION OF PIGS FOR OVULATION RATE OR UTERINE CAPACITY. PROCEEDINGS OF 7TH WORLD CONGRESS OF GENETICS APPLIED TO LIVESTOCK PRODUCTION. 2002. SESSION 08, REPRODUCTION. CD-ROM COMMUNICATION NO. 08-25.

ESTIMATES OF GENETIC PARAMETERS FOR DAILY GAIN, FEED INTAKE, AND BEHAVIOR TRAITS IN RAM LAMBS OF A COMPOSITE POPULATION. - (Proceedings/Symposium)

Leymaster, K.A., Cammack, K.M., Nielsen, M.K., Jenkins, T.G. 2002. Estimates of genetic parameters for daily gain, feed intake, and behavior traits in ram lambs of a composite population. Proceedings of the 7th World Congress of Genetics Applied in Livestock Production. CD-ROM Communication No. 10-09. Montpellier, France.

DIFFERENT BREEDING SCHEDULES AT 6 MONTH INTERVALS IN FOUR BREEDS OF SHEEP - (Proceedings/Symposium)

Pala, A., Leymaster, K.A., Mccraw, R.L., Young, L.D., Robison, O.W. 2002. Different breeding schedules at 6 month intervals in four breeds of sheep. Proceedings of the 7th World Congress of Genetics Applied in Livestock Production. CD-ROM Communication No. 02-42. Montpellier, France.

ANALYSIS OF LAMB MORTALITY USING COMPETING RISKS - (Proceedings/Symposium)

Southey, B.R., Rodriguez-Zas, S.L., Leymaster, K.A. 2002. Analysis of lamb mortality using competing risks. Proceedings of the 7th World Congress of Genetics Applied in Livestock Production. CD-ROM Communication No. 02-03. Montpellier, France.

GENETIC PARAMETERS IN 6-MONTH BREEDING SYSTEMS - (Proceedings/Symposium)

Robison, O.W., Pala, A., Leymaster, K.A., Mccraw, R.L., Young, L.D. 2002. Genetic parameters in 6-month breeding systems. Proceedings of the 7th World Congress of Genetics Applied in Livestock Production. CD-ROM Communication No. 02-43. Montpellier, France.

ESTIMATION OF GENETIC PARAMETERS OF LAMB MORTALITY USING DISCRETE SURVIVAL ANALYSIS - (Peer Reviewed Journal)

Southey, B.R., Rodriguez-Zas, S.L., Leymaster, K.A. 2002. Estimation of genetic parameters of lamb mortality using discrete survival analysis. Journal of Animal Science Supplement. 80(Suppl. 2):43.

GENETIC PARAMETERS FOR GROWTH, FEED INTAKE, AND FEEDING BEHAVIOR IN A COMPOSITE POPULATION OF SHEEP - (Peer Reviewed Journal)

Cammack, K.M., Nielsen, M.K., Leymaster, K.A., Jenkins, T.G. 2002. Genetic parameters for growth, feed intake, and feeding behavior in a composite population of sheep. Journal of Animal Science. 80(Suppl. 2):44. (Abstract No. 31)

Evaluation of Columbia, USMARC-Composite, Suffolk, and Texel rams as terminal sires: Effects of ram breed on ewe productivity and F1 lamb survival and growth. - (Proceedings/Symposium)

Leeds, T.D., Mousel, M.R., Notter, D.R., Leymaster, K.A., Lewis, G.S. 2008. Evaluation of Columbia, USMARC-Composite, Suffolk, and Texel rams as terminal sires: Effects of ram breed on ewe productivity and F1 lamb survival and growth. Western Section of Animal Science Proceedings. 59:65-68.