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Keith Bertrand
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31
Misztal, Ignacy
13
Rekaya, Romdhane
8
Sapp, Robyn
7
Tsuruta, Shogo
6
Mabry, JW
5
Spangler, Matthew
4
Donoghue, KA
4
varona, luis
3
Culbertson, MS
3
Herring, WO
3
Johnson, Maribeth
3
Lawlor, TJ
3
Pringle, Dean
3
Duangjinda, M
2
Gengler, N
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Geonetwork of Keith Bertrand (preview)
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All Publications
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2009: Huang C; Tsuruta S; Bertrand J K; Misztal I; Lawlor T J; Clay J S
Trends for conception rate of Holsteins over time in the southeastern United States.
Journal of dairy science 2009;92(9):4641-7.
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2009: Spangler M L; Robbins K R; Bertrand J K; Macneil M; Rekaya R
Ant colony optimization as a method for strategic genotype sampling.
Animal genetics 2009;40(3):308-14.
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2008: Spangler M L; Sapp R L; Bertrand J K; MacNeil M D; Rekaya R
Different methods of selecting animals for genotyping to maximize the amount of genetic information known in the population.
Journal of animal science 2008;86(10):2471-9.
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2008: Sánchez J P; Misztal I; Bertrand J K
Evaluation of methods for computing approximate accuracies of predicted breeding values in maternal random regression models for growth traits in beef cattle.
Journal of animal science 2008;86(5):1057-66.
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2008: Huang C; Tsuruta S; Bertrand J K; Misztal I; Lawlor T J; Clay J S
Environmental effects on conception rates of Holsteins in New York and Georgia.
Journal of dairy science 2008;91(2):818-25.
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2008: Sánchez J P; Misztal I; Aguilar I; Bertrand J K
Genetic evaluation of growth in a multibreed beef cattle population using random regression-linear spline models.
Journal of animal science 2008;86(2):267-77.
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2007: Urioste J I; Misztal I; Bertrand J K
Fertility traits in spring-calving Aberdeen Angus cattle. 2. Model comparison.
Journal of animal science 2007;85(11):2861-5.
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2007: Urioste J I; Misztal I; Bertrand J K
Fertility traits in spring-calving Aberdeen Angus cattle. 1. Model development and genetic parameters.
Journal of animal science 2007;85(11):2854-60.
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2007: Legarra A; Bertrand J K; Strabel T; Sapp R L; Sánchez J P; Misztal I
Multi-breed genetic evaluation in a Gelbvieh population.
Journal of animal breeding and genetics = Zeitschrift für Tierzüchtung und Züchtungsbiologie 2007;124(5):286-95.
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2007: Sapp R L; Zhang W; Bertrand J K; Rekaya R
Genetic evaluation in the presence of uncertain additive relationships. I. Use of phenotypic information to ascertain paternity.
Journal of animal science 2007;85(10):2391-400.
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2007: Spangler M L; Bertrand J K; Rekaya R
Combining genetic test information and correlated phenotypic records for breeding value estimation.
Journal of animal science 2007;85(3):641-9.
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2006: Spangler M L; Sapp R L; Rekaya R; Bertrand J K
Success at first insemination in Australian Angus cattle: analysis of uncertain binary responses.
Journal of animal science 2006;84(1):20-4.
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2005: Robbins K R; Misztal I; Bertrand J K
Joint longitudinal modeling of age of dam and age of animal for growth traits in beef cattle.
Journal of animal science 2005;83(12):2736-42.
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2005: Sapp Robyn L; Spangler Matthew L; Rekaya Romdhane; Bertrand J Keith
A simulation study for the analysis of uncertain binary responses: application to first insemination success in beef cattle.
Genetics, selection, evolution : GSE 2005;37(6):615-34.
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2005: Ehlers M J; Mabry J W; Bertrand J K; Stalder K J
Variance components and heritabilities for sow productivity traits estimated from purebred versus crossbred sows.
Journal of animal breeding and genetics = Zeitschrift für Tierzüchtung und Züchtungsbiologie 2005;122(5):318-24.
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2005: Iwaisaki H; Tsuruta S; Misztal I; Bertrand J K
Genetic parameters estimated with multitrait and linear spline-random regression models using Gelbvieh early growth data.
Journal of animal science 2005;83(4):757-63.
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2005: Iwaisaki H; Tsuruta S; Misztal I; Bertrand J K
Estimation of correlation between maternal permanent environmental effects of related dams in beef cattle.
Journal of animal science 2005;83(3):537-42.
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2005: Bohmanova J; Misztal I; Bertrand J K
Studies on multiple trait and random regression models for genetic evaluation of beef cattle for growth.
Journal of animal science 2005;83(1):62-7.
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2005: Robbins K R; Misztal I; Bertrand J K
A practical longitudinal model for evaluating growth in Gelbvieh cattle.
Journal of animal science 2005;83(1):29-33.
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2004: Sapp R L; Rekaya R; Bertrand J K
Teat scores in first-parity Gelbvieh cows: relationship with suspensory score and calf growth traits.
Journal of animal science 2004;82(8):2277-84.
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2004: Legarra A; Misztal I; Bertrand J K
Constructing covariance functions for random regression models for growth in Gelbvieh beef cattle.
Journal of animal science 2004;82(6):1564-71.
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2004: Donoghue K A; Rekaya R; Bertrand J K; Misztal I
Threshold-linear analysis of measures of fertility in artificial insemination data and days to calving in beef cattle.
Journal of animal science 2004;82(4):987-93.
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2004: Donoghue K A; Rekaya R; Bertrand J K; Misztal I
Genetic evaluation of calving to first insemination using natural and artificial insemination mating data.
Journal of animal science 2004;82(2):362-7.
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2004: Donoghue K A; Rekaya R; Bertrand J K
Comparison of methods for handling censored records in beef fertility data: field data.
Journal of animal science 2004;82(2):357-61.
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2004: Donoghue K A; Rekaya R; Bertrand J K
Comparison of methods for handling censored records in beef fertility data: simulation study.
Journal of animal science 2004;82(2):351-6.
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2003: Sapp R L; Rekaya R; Bertrand J K
Simulation study of teat score in first-parity Gelbvieh cows: parameter estimation.
Journal of animal science 2003;81(12):2959-63.
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2003: Nobre P R C; Misztal I; Tsuruta S; Bertrand J K; Silva L O C; Lopes P S
Genetic evaluation of growth in nellore cattle by multiple-trait and random regression models.
Journal of animal science 2003;81(4):927-32.
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2003: Nobre P R C; Misztal I; Tsuruta S; Bertrand J K; Silva L O C; Lopes P S
Analyses of growth curves of nellore cattle by multiple-trait and random regression models.
Journal of animal science 2003;81(4):918-26.
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2002: Sapp R L; Bertrand J K; Pringle T D; Wilson D E
Effects of selection for ultrasound intramuscular fat percentage in Angus bulls on carcass traits of progeny.
Journal of animal science 2002;80(8):2017-22.
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2002: Lee D H; Bertrand J K
Investigation of genotype x country interactions for growth traits in beef cattle.
Journal of animal science 2002;80(2):330-7.
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2002: Lee Deukhwan; Misztal Ignacy; Bertrand J Keith; Rekaya Romdhane
National evaluation for calving ease, gestation length and birth weight by linear and threshold model methodologies.
Journal of applied genetics 2002;43(2):209-16.
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2001: Duangjinda M; Bertrand J K; Misztal I; Druet T
Estimation of additive and nonadditive genetic variances in Hereford, Gelbvieh, and Charolais by Method R.
Journal of animal science 2001;79(12):2997-3001.
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2001: Duangjinda M; Misztal I; Bertrand J K; Tsuruta S
The empirical bias of estimates by restricted maximum likelihood, Bayesian method, and method R under selection for additive, maternal, and dominance models.
Journal of animal science 2001;79(12):2991-6.
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2001: Realini C E; Williams R E; Pringle T D; Bertrand J K
Gluteus medius and rump fat depths as additional live animal ultrasound measurements for predicting retail product and trimmable fat in beef carcasses.
Journal of animal science 2001;79(6):1378-85.
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2001: Strabel T; Misztal I; Bertrand J K
Approximation of reliabilities for multiple-trait model with maternal effects.
Journal of animal science 2001;79(4):833-9.
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2001: Ramirez-Valverde R; Misztal I; Bertrand J K
Comparison of threshold vs linear and animal vs sire models for predicting direct and maternal genetic effects on calving difficulty in beef cattle.
Journal of animal science 2001;79(2):333-8.
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2001: Duangjinda M; Misztal I; Bertrand J K
Generating data in models including direct and maternal dominance effects.
Journal of applied genetics 2001;42(2):193-203.
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2000: de Mattos D; Bertrand J K; Misztal I
Investigation of genotype x environment interactions for weaning weight for Herefords in three countries.
Journal of animal science 2000;78(8):2121-6.
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2000: Dunn J L; Williams S E; Tatum J D; Bertrand J K; Pringle T D
Identification of optimal ranges in ribeye area for portion cutting of beef steaks.
Journal of animal science 2000;78(4):966-75.
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2000: de Mattos D; Misztal I; Bertrand J K
Variance and covariance components for weaning weight for Herefords in three countries.
Journal of animal science 2000;78(1):33-7.
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2000: Lykins L E; Bertrand J K; Baker J F; Kiser T E
Maternal birth weight breeding value as an additional factor to predict calf birth weight in beef cattle.
Journal of animal science 2000;78(1):21-6.
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1999: Varona L; Misztal I; Bertrand J K
Threshold-linear versus linear-linear analysis of birth weight and calving ease using an animal model: II. Comparison of models.
Journal of animal science 1999;77(8):2003-7.
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1999: Varona L; Misztal I; Bertrand J K
Threshold-linear versus linear-linear analysis of birth weight and calving ease using an animal model: I. Variance component estimation.
Journal of animal science 1999;77(8):1994-2002.
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1998: Moser D W; Bertrand J K; Misztal I; Kriese L A; Benyshek L L
Genetic parameter estimates for carcass and yearling ultrasound measurements in Brangus cattle.
Journal of animal science 1998;76(10):2542-8.
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1998: Gengler N; Misztal I; Bertrand J K; Culbertson M S
Estimation of the dominance variance for postweaning gain in the U.S. Limousin population.
Journal of animal science 1998;76(10):2515-20.
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1998: Varona L; Misztal I; Bertrand J K; Lawlor T J
Effect of full sibs on additive breeding values under the dominance model for stature in United States Holsteins.
Journal of dairy science 1998;81(4):1126-35.
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1998: Culbertson M S; Mabry J W; Misztal I; Gengler N; Bertrand J K; Varona L
Estimation of dominance variance in purebred Yorkshire swine.
Journal of animal science 1998;76(2):448-51.
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1998: Herring W O; Kriese L A; Bertrand J K; Crouch J
Comparison of four real-time ultrasound systems that predict intramuscular fat in beef cattle.
Journal of animal science 1998;76(2):364-70.
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1997: Culbertson M S; Mabry J W; Bertrand J K; Nelson A H
Breed-specific adjustment factors for reproductive traits in Duroc, Hampshire, Landrace, and Yorkshire swine.
Journal of animal science 1997;75(9):2362-7.
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1997: Williams R E; Bertrand J K; Williams S E; Benyshek L L
Biceps femoris and rump fat as additional ultrasound measurements for predicting retail product and trimmable fat in beef carcasses.
Journal of animal science 1997;75(1):7-13.
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1996: Moser D W; Bertrand J K; Benyshek L L; McCann M A; Kiser T E
Effects of selection for scrotal circumference in Limousin bulls on reproductive and growth traits of progeny.
Journal of animal science 1996;74(9):2052-7.
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1994: Herring W O; Miller D C; Bertrand J K; Benyshek L L
Evaluation of machine, technician, and interpreter effects on ultrasonic measures of backfat and longissimus muscle area in beef cattle.
Journal of animal science 1994;72(9):2216-26.
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1994: Herring W O; Williams S E; Bertrand J K; Benyshek L L; Miller D C
Comparison of live and carcass equations predicting percentage of cutability, retail product weight, and trimmable fat in beef cattle.
Journal of animal science 1994;72(5):1107-18.
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1993: See M T; Mabry J W; Bertrand J K
Restricted maximum likelihood estimation of variance components from field data for number of pigs born alive.
Journal of animal science 1993;71(11):2905-9.
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1993: Woodward B W; Mabry J W; See M T; Bertrand J K; Benyshek L L
Development of an animal model for across-herd genetic evaluation of number born alive in swine.
Journal of animal science 1993;71(8):2040-6.
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1993: Bullock K D; Bertrand J K; Benyshek L L
Genetic and environmental parameters for mature weight and other growth measures in Polled Hereford cattle.
Journal of animal science 1993;71(7):1737-41.
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1992: Arnold J W; Bertrand J K; Benyshek L L
Animal model for genetic evaluation of multibreed data.
Journal of animal science 1992;70(11):3322-32.
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1992: Byerley D J; Kiser T E; Bertrand J K; Kraeling R R
Release of luteinizing hormone after administration of naloxone in pre- and peripuberal heifers.
Journal of animal science 1992;70(9):2794-800.
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1992: Bryner S M; Mabry J W; Bertrand J K; Benyshek L L; Kriese L A
Estimation of direct and maternal heritability and genetic correlation for backfat and growth rate in swine using data from centrally tested Yorkshire boars.
Journal of animal science 1992;70(6):1755-9.
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1991: Bullock K D; Bertrand J K; Benyshek L L; Williams S E; Lust D G
Comparison of real-time ultrasound and other live measures to carcass measures as predictors of beef cow energy stores.
Journal of animal science 1991;69(10):3908-16.
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1991: Comerford J W; Cooper J B; Benyshek L L; Bertrand J K
Evaluation of feed conversion in steers from a diallel of Simmental, Limousin, Polled Hereford, and Brahman beef cattle.
Journal of animal science 1991;69(7):2770-8.
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1991: Kriese L A; Bertrand J K; Benyshek L L
Genetic and environmental growth trait parameter estimates for Brahman and Brahman-derivative cattle.
Journal of animal science 1991;69(6):2362-70.
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1991: Arnold J W; Bertrand J K; Benyshek L L; Ludwig C
Estimates of genetic parameters for live animal ultrasound, actual carcass data, and growth traits in beef cattle.
Journal of animal science 1991;69(3):985-92.
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1991: Kriese L A; Bertrand J K; Benyshek L L
Age adjustment factors, heritabilities and genetic correlations for scrotal circumference and related growth traits in Hereford and Brangus bulls.
Journal of animal science 1991;69(2):478-89.
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1990: Bertrand J K; Kriese L A
Two methods for parameter estimation using multiple-trait models and beef cattle field data.
Journal of animal science 1990;68(8):2310-8.
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1988: Comerford J W; Benyshek L L; Bertrand J K; Johnson M H
Evaluation of performance characteristics in a diallel among Simmental, Limousin, Polled Hereford and Brahman beef cattle. II. Carcass traits.
Journal of animal science 1988;66(2):306-16.
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1988: Comerford J W; Benyshek L L; Bertrand J K; Johnson M H
Evaluation of performance characteristics in a diallel among Simmental, Limousin, Polled Hereford and Brahman beef cattle. I. Growth, hip height and pelvic size.
Journal of animal science 1988;66(2):293-305.
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1987: Comerford J W; Bertrand J K; Benyshek L L; Johnson M H
Reproductive rates, birth weight, calving ease and 24-h calf survival in a four-breed diallel among Simmental, Limousin, Polled Hereford and Brahman beef cattle.
Journal of animal science 1987;64(1):65-76.
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