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Publications

Refereed

2018

  1. Dikmen, S., R. G. Mateescu, M. A. Elzo, and P. J. Hansen. 2018. Determination of the
    optimum contribution of Brahman genetics in an Angus-Brahman multibreed herd for regulation of body temperature during hot weather. J. Anim. Sci. 96:2175-2183.
  2. Flowers, S., H. Hamblen, J. D. Leal, M. A. Elzo, D. D. Johnson, and R. G. Mateescu. 2018.
    Fatty acid profile, mineral content and palatability of beef from a multibreed Angus-Brahman population. J. Anim. Sci. 96:4264-427 (.pdf 399KB)
  3. Gobena M., M. A. Elzo, and R. G. Mateescu. 2018. Population structure and genomic breed composition in an Angus-Brahman crossbred cattle population. Front. Genet. 9:90.
    (.pdf 4.73MB)
  4. Konkruea, T., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2018. Genetic Parameters and Trends for Daughters of Imported and Thai Holstein Sires for Age at First Calving and Milk Yield. Agric. Nat. Res. 51:420-424. (.pdf 565KB)
  5. Laodim, T., M. A. Elzo, S. Koonawootrittriron, T. Suwanasopee, and D. Jattawa. 2018.
    Pathway enrichment and protein interaction network analysis for milk yield, fat yield, and
    age at first calving in a Thai multibreed dairy population.     Asian-Australas. J. Anim. Sci. (In press). (.pdf 1.14MB)
  6. Leal J. D., F. M. Rezende, M. A. Elzo, D. D. Johnson, F. Peñagaricano, and R. G. Mateescu. 2018. Structural equation modeling and whole-genome scans uncover chromosome regions and enriched pathways for carcass and meat quality in beef. Front. Genet. 9:532.
    (.pdf 2.10MB)
  7. Leal J. D., M. A. Elzo, D. D. Johnson, T. L. Scheffler, J. M. Scheffler, and R. G. Mateescu.
    2018. Association of μ-calpain and calpastatin polymorphisms with meat tenderness in a
    Brahman-Angus population.     Front. Genet. 9:56. (.pdf 1.49MB)
  8. Martinez, C. A., K. Khare, and M. A. Elzo. 2018. BIBI: Bayesian inference of breed
    composition.     J. Anim. Breed. Genet. 135:54-61. (.pdf 325KB)
  9. Mir, R. A., T. A. Weppelmann, L. Teng, A. Kirpich, M. A. Elzo, J. D. Driver, and K. C. Jeong.
    2018. Colonization Dynamics of Cefotaxime Resistant Bacteria in Beef Cattle Raised
    Without Cephalosporin Antibiotics.     Front. Microbiol. 9:500. (.pdf 2.15MB)
  10. Sarakul, M., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2018. Genetic
    parameters, predictions, and rankings for semen production traits in a Thai multibreed
    dairy population using genomic-polygenic and polygenic models.
    Anim. Reprod. Sci. 195:71-78. (.pdf 536KB)
  11. Sarakul, M., S. Koonawootrittriron, M. A. Elzo, T. Suwanasopee, D. Jattawa, and T. Laodim. 2018. Characterization of biological pathways associated with semen traits in the Thai multibreed dairy population. Anim. Reprod. Sci. 197:324-334. (.pdf 430KB)
  12. Sarakul, M., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2018. Growth Curve of Dairy Bulls Raised under Thai Tropical Conditions. Agric. Nat. Res. (In press). (.pdf 492KB)
  13. Wongpom, B., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2018. Variance Components and Animal Rankings for Milk Yield and Fat Yield in a Multibreed Dairy Cattle using Genomic-Polygenic, Genomic, and Polygenic Models. Agric. Nat. Res. 52:617-621.
    (.pdf 621KB)
  14. Wright, S., P. Ramos, D. D. Johnson, J. M. Scheffler, M. A. Elzo, R. G. Mateescu, A. L. Bass,
    C. C. Carr, and T. Scheffler. 2018. Brahman genetics influence muscle fiber properties,
    protein degradation, and tenderness in an Angus-Brahman multibreed herd.
    Meat Sci. 135:84-93.     (.pdf 615KB)

2017

  1. Elzo, M. A., R. G. Mateescu, D. D. Johnson, T. L. Scheffler, J. M. Scheffler, C. Carr,
    D. O. Rae, J. G. Wasdin, M. D. Driver and J. D. Driver. 2017. Genomic-polygenic and
    polygenic predictions for nine ultrasound and carcass traits in Angus-Brahman multibreed cattle using three sets of genotypes    . Livest. Sci. 202:58-66. (.pdf 979KB)
  2. Jaichansukkit, T., T. Suwanasopee, S. Koonawootrittriron, P. Tummaruk, and M. A. Elzo. 2017. Effect of daily fluctuations in ambient temperature on reproductive failure traits of Landrace
    and Yorkshire sows under Thai tropical environmental conditions    . Trop. Anim. Health Prod. 49:503-508. (.pdf 320KB)
  3. Laodim, T., M. A. Elzo, S. Koonawootrittriron, T. Suwanasopee, and D. Jattawa. 2017. Identification of SNP markers associated with milk and fat yields in multibreed dairy cattle using two genetic group structures. Livest. Sci. 2016:95-104.
  4. Martinez, C. A., K. Khare, A. Banerjeee, and M. A. Elzo. 2017. Joint genome-wide prediction
    in several populations accounting for randomness of genotypes: A hierarchical Bayes approach. II: Multivariate spike and slab priors for marker effects and derivation of
    approximate Bayes and fractional Bayes factors.     J. Theor. Biol. 417:131-141. (.pdf 658KB)
  5. Martinez, C. A., K. Khare, A. Banerjeee, and M. A. Elzo. 2017. Joint genome-wide prediction
    in several populations accounting for randomness of genotypes: A hierarchical Bayes
    approach. I: Multivariate Gaussian priors for marker effects and derivation of the joint probability mass function of genotypes.     J. Theor. Biol. 417:8-19. (.pdf 676KB)
  6. Martinez, C. A., K. Khare, S. Rahman, and M. A. Elzo. 2017. Modelling correlated marker
    effects in genome-wide prediction via Gaussian concentration graph models.     J. Theor. Biol. 437:67-78. (.pdf 767KB)
  7. Martinez, C. A., K. Khare, S. Rahman, and M. A. Elzo. 2017. Gaussian covariance graph
    models accounting for correlated marker effects in genome-wide prediction.     J. Anim. Breed. Genet. 134:412-421. (.pdf 721KB)
  8. Noppibool, U., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2017. Genetic correlations between first parity and accumulated second to last parity reproduction traits
    as selection aids to improve sow lifetime productivity.     Asian-Australasian J. Anim.
    Sci. 30:320-327.     (.pdf 426KB)
  9. Shi, Y., Y. Hu, J. Wang, M. A. Elzo, X. Yang, and S. Lai. 2017. Genetic diversities of MT-ND1
    and MT-ND2 genes are associated with high-altitude adaptation in yak    . Mitochondrial DNA
    Part A (Online).     (.pdf 1.28MB)
  10. Wang, J., Y. Hu, M. A. Elzo, Y. Shi, A. Jia, S. Chen, and S. Lai. 2017. Genetic effect of Myf5 in rabbit meat quality traits. J. Genet. 96:673-679. (.pdf 324KB)
  11. Wang, J., Y. Shi, M. A. Elzo, Y. Su, X. Jia, S. Chen, and S. Lai. 2017. Myopalladin gene polymorphism is associated with rabbit meat quality traits. Italian J. Anim. Sci. 16:400-404.
    (.pdf 770KB)
  12. Wang, J., Y. Shi, M. A. Elzo, S. Dang, X. Jia, and S. Lai. 2017. Genetic diversity of ATP8 and ATP6 genes is associated with high-altitude adaptation in yak. Mitochondrial DNA Part A (Online). (.pdf 1.06MB)
  13. Wongpom, B., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2017. Milk Yield, Fat Yield and Fat Percentage associations in a Thai Multibreed Dairy Population. Agric. Nat. Res. 51:218-222. (.pdf 191KB)
  14. Yodklaew, P., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2017. Genome-wide association study for lactation characteristics, milk yield, and age at first calving of dairy
    cattle in Thailand.     Agric. Nat. Res. 51:223-230. (.pdf 793KB)

2016

  1. Elzo, M. A., R. Mateescu, M. G. Thomas, D. D. Johnson, C. A. Martinez, D. O. Rae,
    J. G. Wasdin, M. D. Driver and J. D. Driver. 2016. Growth and reproduction genomic-
    polygenic and polygenic parameters and prediction trends as Brahman fraction increases
    in an Angus-Brahman multibreed population.     Livest. Sci. 190:104-112. (.pdf 985KB)
  2. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2016.
    Estimation of covariance components and genetic parameters using a random regression monthly test-day model in an Ethiopian dairy cattle population. Agric. Nat. Res. 50:64-70.
    (.pdf 177KB)
  3. Jattawa, D., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2016. Genomic-
    polygenic and polygenic evaluations for milk yield and fat percentage using random regression models with Legendre polynomials in a Thai multibreed dairy population.
    Livest. Sci. 188:133-141. (.pdf 582KB)
  4. Jattawa, D., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2016. Imputation
    Accuracy from Low to Moderate Density Single Nucleotide Polymorphism Chips in a Thai Multibreed Dairy Cattle Population.     Asian-Australasian J. Anim. Sci. 29:464-470.
    (.pdf 343KB)
  5. Mir, R. A., T. A. Weppelmann, M. A. Elzo, S. Ahn, and K. C. Jeong. 2016. Colonization of beef cattle by Shiga toxin-producing Escherichia coli during the first year of life: a cohort study.
    PLoS One 12(2): e0148518. (.pdf 568KB)
  6. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2016. Genetic Relationships between Length of Productive Life and Lifetime Production Efficiency in a Commercial Swine Herd in Northern Thailand. Anim. Sci. J.
    [doi:10.1111/asj.12647] (.pdf 686KB)
  7. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2016. Estimation of genetic parameters and trends for length of productive life and lifetime production traits in a commercial Landrace and Yorkshire swine population in Northern Thailand. Asian-Australasian J. Anim. Sci. [doi: http://dx.doi.org/10.5713/ajas.15.0647] (.pdf 978KB)
  8. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2016. Factors
    affecting length of productive life and lifetime production traits of commercial sows in
    Northern Thailand. Agric. Nat. Res. 50:71-74.     (.pdf 134KB)
  9. Royer, A. M., C. Shivers, D. Riley, M. A. Elzo, and M. D. Garcia. 2016. Single nucleotide polymorphisms associated with carcass traits in a population of Brahman and Brahman influenced steers. Gen. Mol. Res. 15(2): gmr.15028280. (http://dx.doi.org/10.4238/gmr.15028280) (.pdf 333KB)
  10. Wang, J., G. Li, M. A. Elzo, X. Jia, S. Chen, and S. Lai. 2016. Calpastatin gene polymorphism
    is associated with rabbit meat quality traits. J. Appl. Anim. Res.     (.pdf 824KB)
    Online Publication: http://dx.doi.org/10.1080/09712119.2016.1191498.
  11. Wang, J., Y. Su, M. A. Elzo, X. Jia, S. Chen, and S. Lai. 2016. Comparison of carcass and
    meat quality traits among three rabbit breeds.     Korean J. Food Sci. Anim. Res. 36:84-89.
    (.pdf 169KB)
  12. Wang, J., P. Xu, S. Li, L. Yan, M. A. Elzo, X. Jia, S. Chen, M. Zhang, and S. Lai. 2016. A single nucleotide polymorphism in CAST gene is associated with meat quality traits in rabbits.
    Anim. Sci. Pap. Rep. 34: 269-278. (.pdf 932KB)

2015

  1. Elzo, M. A., M. G. Thomas, D. D. Johnson, C. A. Martinez, G. C. Lamb, D. O. Rae, J. G. Wasdin, and J. D. Driver.  2015.  Genetic parameters and predictions for direct and maternal growth traits in a multibreed Angus-Brahman cattle population using genomic-polygenic and polygenic models.(.pdf 566KB) Livest. Sci.  178:43-51.
  2. Elzo, M. A., M. G. Thomas, C. A. Martinez, G. C. Lamb, D. D. Johnson, I. Misztal,
    D. O. Rae, J. G. Wasdin, and J. D. Driver.  2015.  Genomic-polygenic evaluation of multibreed Angus- Brahman cattle for postweaning ultrasound and weight traits with actual and imputed Illumina50k SNP genotypes. (.pdf 297KB) Livest. Sci. 175:18-26.
  3. Jattawa, D., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2015. Comparison of genetic evaluations for milk yield and fat yield using a polygenic model and three genomic-polygenic models with different sets of SNP genotypes in Thai multibreed dairy cattle.
    (.pdf 486KB) Livest. Sci. 181:58-64.
  4. Laodim, T., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Genome-wide linkage disequilibrium in a Thai multibreed dairy population. (.pdf 765KB) 
    Livest. Sci.180:27-33.
  5. Martinez, C. A., K. Khare, and M. A. Elzo.  2015.  On the Bayesness, minimaxity and admissibility of point estimators of allelic frequencies. (.pdf 398KB) 
    J. Theor. Biol. 383:106-115
  6. Wang, J., G. Li, M. A. Elzo, L. Yan, S. Chen, X. Jia, and S. Lai.  2015.  A novel single nucleotide polymorphism of the POU1F1 gene associated with meat quality traits in rabbits.
    (.pdf 554KB) Ann. Anim. Sci. 15:611-620.
  7. Yan, L., X. Fang, Y. Liu, M. A. Elzo, and H. Chen. 2015. Exploring the genetic variant of insulin-like growth factor II (IGF-II) gene and its association with two production traits in Langshan Chicken. J. Appl. Anim. Res. http://www.tandfonline.com/doi/pdf/10.1080/09712119.2015.1124328.

2014

  1. Akhtar, M., K. Javed, H. M. Abdullah, N. Ahmad, and M. A. Elzo.  2014.  Environmental factors affecting greasy wool yield traits of Buchi sheep in Pakistan.  J. Anim. Plant Sci. 24:685-692.
    (.pdf 181KB)
  2. Elzo, M. A., M. G. Thomas, C. A. Martinez, G. C. Lamb, D. D. Johnson, I. Misztal, D. O. Rae,
    J. G. Wasdin, and J. D. Driver.  2014.  Genomic-polygenic evaluation of multibreed Angus-Brahman cattle for postweaning feed efficiency and growth using actual and imputed Illumina50k SNP genotypes.  Livest. Sci. 159:1-10. (.pdf 311KB)
  3. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2014. 
    Genotype by Environment Interaction Effect on Lactation Pattern and Milk Production Traits
    in an Ethiopian Dairy Cattle Population.      Kasetsart J. Nat. Sci. 48:38-51. (.pdf 567KB)
  4. Gonzalez, J. M., D. D. Johnson, M. A. Elzo, M. C. White, A. M. Stelzleni, and S. E. Johnson.  2014.  Effect of Brahman genetic influence on collagen enzymatic crosslinking gene expression and meat tenderness.  Anim. Biotech. 25:165-178.
  5. Toledo, H. O., J. M. Berruecos, C. G. Vasquez, F. J. Ruiz, and M. A. Elzo.  2014.  Estimation of genetic parameters for milk production under two data recording systems in Holstein cattle
    in Mexico.      Mexican J. Anim. Sci. 5:443-457. (.pdf 188KB)
  6. Toledo, H. O., J. M. Berruecos, C. G. Vasquez, F. J. Ruiz, and M. A. Elzo.  2014.  Genetic and phenotypic trends for milk production under two data recording systems in Holstein cattle
    in Mexico.      Mexican J. Anim. Sci. 5:471-485. (.pdf 196KB)
  7. Yan, L., X. Fang, Y. Liu, M. A. Elzo, and H. Chen. 2014. Characterization of Akirin 2 gene in Langshan chicken. Indian J. Anim. Sci. 84:908-910. (.pdf 98KB)

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2013

  1. Bolívar, D. M., M. F. Cerón, A. A. Bolignon, M. A. Elzo, and A. C. Herrera. 2013.  Genetic parameters for body weight in buffaloes (Bubalus bubalis) in Colombia using random regression models.  Livest. Sci. 158:40-49.
  2. Elzo, M. A., C. A. Martinez, G. C. Lamb, D. D. Johnson, M. G. Thomas, I. Misztal, D. O. Rae,
    J. G. Wasdin, and J. D. Driver.  2013.  Genomic-polygenic evaluation for ultrasound and
    weight traits in Angus-Brahman multibreed cattle with the Illumina3k chip. 
    Livest. Sci. 153:39-49.  (.pdf 434KB)
  3. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2013. 
    Variance components and genetic parameters for milk production and lactation pattern
    in an Ethiopian multibreed dairy cattle population.      Asian Australas. J. Anim. Sci. 26:1237-1246. (.pdf 297KB)
  4. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo,  and T. Suwanasopee.  2013.  Fitness
    of lactation curve functions to daily and monthly test-day milk data in an Ethiopian multi-breed dairy cattle population.      Kasetsart J. (Natural Science) 47:60-73. http://kasetsartjournal.ku.ac.th/kuj_files/2013/A1303221041244241.pdf
  5. Jeon, S. J., M. A. Elzo, N. DiLorenzo, G. C. Lamb, and K. C. Jeong.  2013.  Evaluation of
    animal genetic and physiological factors that affect the prevalence of Escherichia coli O157
    in cattle.     PloS One 8:e55728. (.pdf 491KB)
  6. Mercadante, P. M., K. M. Waters, V. R. G. Mercadante, G. C. Lamb, M. A. Elzo, S. E. Johnson,
    D. O. Rae, J. V. Yelich and A. D. Ealy.  2013.  Subspecies differences in early fetal
    development and plasma pregnancy-associated glycoprotein concentrations in cattle.      J. Anim. Sci. 91:3693-3701. (.pdf 684KB)

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2012

  1. Bolivar, D. M., M. F. Cerón, and M. A. Elzo. 2012. Postweaning growth of performance-tested buffaloes (Bubalus bubalis, Artiodactyla, Bovidae) reared under no-milking versus a dual-purpose system.  Col. J. Anim. Sci. 25:566-576. (.pdf 589KB)
  2. Elzo, M. A., D. D. Johnson, J. G. Wasdin, and J. D. Driver. 2012.  Carcass and meat
    palatability breed differences and heterosis effects in an Angus-Brahman multibreed population.      Meat Sci. 90: 87-92. http://dx.doi.org/10.1016/j.meatsci.2011.06.010.
    (.pdf 244KB)
  3. Elzo, M. A., G. C. Lamb, D. D. Johnson, M. G. Thomas, I. Misztal, D. O. Rae, C. A. Martinez,
    J. G. Wasdin, and J. D. Driver.  2012.  Genomic-polygenic evaluation of Angus-Brahman multibreed cattle for feed efficiency and postweaning growth using the Illumina3k chip. 
    J. Anim. Sci. 90:2488-2497. (.pdf 939KB)
  4. Jattawa, D., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2012.  Somatic Cells Count and Its Genetic Association with Milk Yield in Dairy Cattle Raised under Thai Tropical Environmental Conditions.  Asian Australas. J. Anim. Sci. 25:1216-1222. (.pdf 200KB)
  5. Koonawootrittriron, S., M. A. Elzo, S. Yeamkong, and T. Suwanasopee.  2012.  A Comparative Study on Dairy Production and Revenue of the Dairy Farms Supported by a Private Organization with those Supported by a Dairy Cooperative in Central Thailand.  Livest. Res. Rural Dev. 24 (4), Article #61. (.pdf 277KB)
  6. Martínez, C. A., M. A. Elzo, C. Manrique, L. F. Grajales, and A. Jimenez.  2012.  Random regression models for estimation of covariance functions, genetic parameters and
    prediction of breeding values for rib eye area in a Colombian Bos indicus-Bos taurus multibreed cattle population.      Col. J. Stat. 35 (Special Issue, 2):309-330. (.pdf 668KB)
  7. Martinez, C. A., M. A. Elzo, C. Manrique, and A. Jimenez.  2012.  Covariance components, genetic parameters and breeding values for live weight using random regression models
    in a Bos taurus-Bos indicus multibreed cattle population in Colombia.      Col. J. Anim. Sci. 25:548-565. (.pdf 1.38MB)
  8. Martinez, C. A., C. Manrique, M. A. Elzo, and A. Jimenez.  2012.  Additive genetic group and heterosis effects on growth traits and corporal composition measurements via ultrasound
    in crossbred animals in Southern Cesar, Colombia.      Col. J. Anim. Sci. 25:377-390 
    (Spanish, English Summary) (.pdf 300KB)
  9. Martinez, C. A., C. Manrique, M. A. Elzo, and A. Jimenez.  2012.  Cattle genetic evaluation: A historical perception.  Col. J. Anim. Sci. 25:293-311 (Spanish, English Summary)
    (.pdf 582KB)

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2011

  1. Brew, M. N., R. O. Myer, M. A. Elzo, M. J. Hersom, J. N. Carter, G. R. Hansen, and D. G. Riley. 2011.  Water intake and factors affecting water intake of growing beef cattle.Livest. Sci. 140:297-300. (.pdf 178KB)
  2. Costa, R. B., I. Misztal, M. A. Elzo, J. K. Bertrand, L. O. C. Silva, and M. Lukaszewicz. 2011.; Estimation of genetic parameters for mature weight in Angus cattle. J. Anim. Sci. 89:2680-2686. doi:10.2527/jas.2010-3574. (.pdf 184KB)
  3. Pascoa, L., A. de los Reyes, M. A. Elzo, J. L. Ferreira, L. A. F. Bezerra, and R. B. Lobo. 2011. Relative contribution of effects included in contemporary groups for adjusted and actual
    120-d and 210-d weights in Nellore cattle in Brazil.     Genetics and Molecular Biology
    34:569-574. (.pdf 530KB)
  4. Sarakul, M., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2011. Factors
    Influencing Genetic Change for Milk Yield within Farms in Central Thailand.     Asian
    Australas. J. Anim. Sci. 24:1031-1040. (.pdf 160KB)

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2010

  1. Vergara, O. D., M. F. Ceron, and M. A. Elzo. 2010. Models for multibreed genetic evaluation – Weaning weight in cattle. Revista MVZ Cordoba 15:1985-1996. [Spanish] (.pdf 78KB)
  2. Chansomboon, C., M. A. Elzo, T. Suwanasopee, and S. Koonawootrittriron. 2009.Genotypic Polymorphisms for Adiponectin and Follicle Stimulating Hormone Receptor Genes Related
    to Weaning-to-First Service Interval and Litter Traits in a Commercial Landrace-Large White Swine Population in Northern Thailand.     Thai J. Agric. Sci. 42:237-245. Published in
    May 2010 (.pdf 85KB)
  3. Yeamkong, S., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2010. Effect of experience, education, record keeping, labor and decision making on monthly milk yield and revenue of dairy farms supported by a private organization in Central Thailand. Asian Australas. J. Anim. Sci. 23:814-824. (.pdf 237KB)
  4. Chansomboon, C., M. A. Elzo, T. Suwanasopee, and S. Koonawootrittriron. 2010. Estimation of genetic parameters and trends for weaning-to-estrus interval and litter traits in a Landrace-Large White swine population in Northern Thailand. Asian Australas. J. Anim. Sci. 23:543-555. (.pdf 344KB)
  5. Yeamkong, S., Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2010. Factors Affecting Milk Quantity and Quality of Dairy Farms Supported by a Private Organization in the Central Part of Thailand.  Livest. Res. Rural Dev. 22 (02), Article # 033.; http://www.lrrd.org/lrrd22/2/yeam22033.htm. (.mht)

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2009

  1. Chansomboon, C., M. A. Elzo, T. Suwanasopee, and S. Koonawootrittriron. 2009. Genetic
    and environmental factors affecting weaning-to-first service interval in a Landrace-Large
    White swine population in Northern Thailand.      Kasetsart J. (Nat. Sci.) 43:669-679.
    (.pdf 125KB)
  2. Elzo, M. A., D. G. Riley, G. R. Hansen, D. D. Johnson, R. O. Myer, S. W. Coleman,
    C. C. Chase, J. G. Wasdin, and J. D. Driver. 2009. Effect of breed composition on
    phenotypic residual feed intake and growth in Angus, Brahman, and Angus x Brahman crossbred cattle.     J. Anim. Sci. 87:3877-3886.p; DOI:10.2527/jas.2008-1553. (.pdf 116KB)
  3. Punsanit, T., S. Koonawootrittriron, T. Suwanasopee, K. Markvichitr, B. Chomtee, and M. A. Elzo. 2009. Effect of proportion of female piglet born alive on pre-weaning growth traits in a Pietrain population in Thailand. Khon Kaen Agric. J. 37: 23-30. [Thai] (.pdf 141KB)
  4. Vergara, O. D., M. A. Elzo, and M. F. Ceron-Muñoz. 2009. Genetic parameters and genetic trends for age at first calving and calving interval in an Angus-Blanco Orejinegro-Zebu multibreed cattle population in Colombia. Livest. Sci. 126:318–322. DOI:10.1016/j.livsci.2009.07.009. (.pdf 164KB)
  5. Pholsing, P., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2009.Genetic association between age and litter traits at first farrowing in a commercial Pietrain-Large White population in Thailand. Kasetsart J. (Nat. Sci.) 43:280-287. (.pdf 146KB)
  6. Seangjun, A., S. Koonawootrittriron, and M. A. Elzo. 2009. Characterization of lactation patterns and milk yield in a multibreed dairy cattle population in Central Thailand.
    Kasetsart J. (Nat. Sci.) 43:74-82. (.pdf 94KB)
  7. Vergara, O. D., M. F. Ceron-Muñoz, M. A. Elzo, and E. M. Arboleda. 2009. Weaning weight
    and post-weaning gain in a Blanco Orejinegro-Romosinuano-Angus-Zebu multibreed cattle population in Colombia.     Livest. Sci. 124:156-162. DOI:10.1016/j.livsci.2009.01.008. (.pdf 174KB)
  8. Elzo, M. A., D. O. Rae, S. E. Lanhart, F. G. Hembry, J. G. Wasdin, and J. D. Driver. 2009. Association between cow reproduction and calf growth traits and Elisa scores for paratuberculosis in a multibreed herd of beef cattle.Trop. Anim. Health Prod. 41:851-858. DOI:10.1007/s11250-008-9262-y (2008). (.pdf 67KB)
  9. Koonawootrittriron, S., M.A. Elzo, and T. Thongprapi. 2009. Genetic trends in a
    Holstein × other breeds multibreed dairy population in Central Thailand.
    Livest. Sci. 122:186-192. DOI:10.1016/j.livsci.2008.08.013 (2008). (.pdf 233KB)

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2008

  1. Garrett, A. J., G. Rincon, J. F. Medrano, M. A. Elzo, G. A. Silver and M. G. Thomas. 2008. Promoter region of the bovine growth hormone receptor gene: single nucleotide polymorphism discovery in cattle and association with performance in Brangus bulls.
    J. Anim. Sci. 86:3315-3323. (.pdf 200KB)
  2. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo. 2008. Record keeping, genetic selection, educational experience and farm management effects on average milk yield per cow, milk
    fat percentage, bacterial score and bulk tank somatic cell count of dairy farms in the Central region of Thailand.     Trop. Anim. Health Prod. 40:627-636. DOI: 10.1007/s11250-008-9141-6.
    (.pdf 158KB)
  3. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo. 2008. A survey of decision making practices, educational experiences, and economic performance of two dairy farm
    populations in Central Thailand.     Trop. Anim. Health Prod. 40:475-482.
    DOI: 10.1007/s11250-007-9123-0. (.pdf 214KB)

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2007

  1. Elzo, M. A. 2007. Multibreed genetic evaluation of bovine livestock. Rev. Col. Cienc. Pec. 20:504-507. [Spanish]
  2. 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. 40:341-348.
    DOI: 10.1007/s11250-007-9109-y. (.pdf 150KB)
  3. 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. 40:147-153.
    DOI: 10.1007/s11250-007-9074-5. (.pdf 148KB)

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2006

  1. Elzo, M. A. 2006.Genetic evaluation of animals in multibreed cattle populations using
    linear models.     Latin-Amer. Arch. Anim. Prod. 14:154-160. (.pdf 86KB)
  2. Reyes, A. de los, M. A. Elzo, A. C. Sanches, R. B. Lobo, and L. A. F. Becerra. 2006. Effect of sire × maternal grandsire interactions on (co)variance estimates and genetic trends for pre-weaning growth traits in Brazilian Nellore cattle. Brazilian Anim. Sci. 7:365-371. [Portuguese]
    (.pdf 62KB)
  3. Elzo, M. A., D. O. Rae, S. E. Lanhart, J. G. Wasdin, W. P. Dixon, and J. L. Jones. 2006.
    Factors associated with ELISA scores for paratuberculosis in an Angus-Brahman
    multibreed herd of beef cattle.     J. Anim. Sci. 84:41-48. (.pdf 106KB)

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2004

  1. Elzo, M. A., and A. de los Reyes Borjas. 2004. Perspectives for multibreed genetic evaluation of cattle in Brazil. Brazilian Anim. Sci. 5:171-185. (.pdf 58KB) [Portuguese] (.pdf 71KB)
  2. Elzo, M. A., A. Jara, and N. Barria 2004. Genetic Parameters and Trends in the Chilean Multibreed Dairy Cattle Population. J. Dairy Sci. 87:1506-1518. (.pdf 119KB)

2003

  1. Reyes Borjas A. de los, M. A. Elzo, R. B. Lôbo, and L. A. F. Bezerra. 2003. Effects of Selection of Young Nellore Bulls for Scrotal Circumference on Growth Traits of Their Progenies. Livest. Res. Rural Devel. 15(10).
  2. Reyes Borjas A. de los, M. A. Elzo, R. B. Lôbo, L. A. F. Bezerra, and C. de U. Magnabosco. 2003. Genetic Variability of Alternative Measures of Scrotal Circumference in Nellore Cattle. Livest. Res. Rural Devel. 15(10).

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2002

  1. Koonawootrittriron, S., M. A. Elzo, and S. Tumwasorn. 2002. Multibreed Genetic Parameters and Predicted Genetic Values for First Lactation 305-d Milk Yield, Fat Yield, and Fat Percentage in a Bos taurus-Bos indicus Multibreed Dairy Population in Thailand.
    Thai J. Agric. Sci. 35:339-360. (.pdf 104KB)
  2. Koonawootrittriron, S., M. A. Elzo, S. Tumwasorn, and K. Nithichai. 2002. Estimation of Covariance Components and Prediction of Additive Genetic Effects for First Lactation 305-d Milk and Fat Yields in a Thai Multibreed Dairy Population. Thai J. Agric. Sci. 35:245-258.
    (.pdf 120KB)

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2001

  1. Koonawootrittriron, S., M. A. Elzo, S. Tumwasorn, and W. Sintala. 2001. Prediction of 100-d
    and 305-d milk yields in a multibreed dairy herd in Thailand using monthly test-day records.     Thai J. Agric. Sci. 34:163-174. (.pdf 56KB)
  2. Koonawootrittriron, S., M. A. Elzo, S. Tumwasorn, and W. Sintala. 2001. Lactation curves and prediction of daily and accumulated milk yields in a multibreed dairy herd in Thailand using
    all daily records.     Thai J. Agric. Sci. 34:123-139. (.pdf 105KB)
  3. Elzo, M. A., G. Martinez, F. Gonzalez, and H. Huertas. 2001. Additive, Nonadditive, and Total Genetic Variation and Genetic Predictions for Growth Traits in the Sanmartinero-Zebu Multibreed Herd of La Libertad. J. CORPOICA 3(2):51-64. (.pdf 3.19MB)

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2000

  1. Vargas, C. A., M. A. Elzo, C. C. Chase, and T. A. Olson. 2000. Genetic parameters and relationships between hip height and weight in Brahman cattle. J. Anim. Sci. 78:3045-3052.
    (.pdf 176KB)

1999

  1. Vargas, C. A., T. A. Olson, C. C. Chase, A. C. Hammond, and M. A. Elzo. 1999. Influence of frame size and body condition score on performance of Brahman cattle.
    J. Anim. Sci. 77:3140 –3149. (.pdf 199KB)

1998

  1. Manrique, C., M. A. Elzo, W. O. Odenya, L. R. McDowell, and L. D. Wakeman. 1998. Changes
    in the prediction of genetic values for weaning weight due to the use of nutritional traits in multibreed evaluations.     J. CORPOICA 2(2):49-56. (.pdf 438KB)
  2. Vargas, C. A., T. A. Olson, M. A. Elzo, C. C. Chase, Jr., and P. J. Chenoweth. 1998. Estimation of genetic parameters for scrotal circumference, age at puberty in heifers, and hip height in Brahman cattle. J. Anim. Sci. 76:2536-2541. (.pdf 49KB)
  3. Elzo, M. A., R. L. West, D. D. Johnson, and D. L. Wakeman. 1998. Genetic variation and prediction of additive and nonadditive genetic effects for six carcass traits in an Angus-Brahman multibreed herd. J. Anim. Sci. 76:1810-1823. (.pdf 86KB)
  4. Elzo, M. A., C. Manrique, G. Ossa, and O. Acosta. 1998. Additive and nonadditive genetic variability for growth traits in the Turipaná Romosinuano-Zebu multibreed herd. J. Anim. Sci. 76:1539-1549. (.pdf 166KB)
  5. Elzo, M. A., and D. L. Wakeman. 1998. Covariance components and prediction for additive
    and nonadditive preweaning growth genetic effects in an Angus-Brahman multibreed herd.
    J. Anim. Sci. 76:1290-1302. (.pdf 174KB)

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1997

  1. Elzo, M. A., C. Manrique, and G. Ossa. 1997. Genetic evaluation of Criollo cattle and their crossbreds in Colombia. J. CORPOICA 2:34-44. (.pdf 4.40MB)
  2. Manrique, C., M. A. Elzo, W. O. Odenya, L. R. McDowell, and D. L. Wakeman. 1997. Prediction of additive and nonadditive effects for weight at weaning using a multibreed animal
    evaluation procedure.     J. CORPOICA 2(1):17-21. (.pdf 2.55MB)

1996

  1. Elzo, M. A. 1996. Unconstrained procedures for the estimation of positive definite covariance matrices using restricted maximum likelihood in multibreed populations. 
    J. Anim. Sci. 74:317-328. (.pdf 1019KB)

1994

  1. Elzo, M. A. 1994. Restricted maximum likelihood estimation of additive and nonadditive
    genetic variances and covariances in multibreed populations.     J. Anim. Sci. 72:3055-3065.
    (.pdf 834KB)

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1992

  1. Odenya, W. O., M. A. Elzo, C. Manrique, L. R. McDowell, and D. L. Wakeman. 1992. Genetic
    and environmental factors affecting serum macrominerals and weights in an
    Angus-Brahman multibreed herd: II. Heritabilities of and genetic, environmental and phenotypic correlations among serum calcium, phosphorus and magnesium and weight at weaning.     J. Anim. Sci. 70:2065-2071. (.pdf 537KB)
  2. Odenya, W.O., M. A. Elzo, C. Manrique, L. R. McDowell, and D. L. Wakeman. 1992. Genetic
    and environmental factors affecting serum macrominerals and weights in an
    Angus-Brahman multibreed herd: I. Additive and nonadditive group genetic effects of serum calcium, phosphorous and magnesium and weight at weaning.     J. Anim. Sci. 70:2072-2077.
    (.pdf 632KB)

1990

  1. Elzo, M. A. 1990. Covariances among sire × breed group of dam interaction effects in multibreed sire evaluation procedures. J. Anim. Sci. 68:4079-4099. (.pdf 1.11MB)
  2. Elzo, M. A., T. A. Olson, M. Koger, W. T. Butts, Jr., C. Manrique, and E. L. Adams. 1990. Direct and maternal genetic effects due to the introduction of Bos taurus alleles into Brahman cattle in Florida. III. Postweaning growth traits. J. Anim. Sci. 68:1588-1594. (.pdf 151KB)
  3. Elzo, M. A. 1990. Recursive procedures to compute the inverse of the multiple trait additive genetic covariance matrix in inbred and noninbred multibreed populations. J. Anim. Sci. 68:1215-1228. (.pdf 1.31MB)
  4. Elzo, M. A., T. A. Olson, W. T. Butts, Jr., M. Koger, and E. L. Adams. 1990. Direct and maternal genetic effects due to the introduction of Bos taurus alleles into Brahman cattle in Florida. II. Preweaning growth traits. J. Anim. Sci. 68:324-329. (.pdf 507KB)
  5. Olson, T. A., M. A. Elzo, M. Koger, W. T. Butts, Jr., and E. L. Adams. 1990. Direct and maternal genetic effects due to the introduction of Bos taurus alleles into Brahman cattle in Florida. I. Reproduction and calf survival. J. Anim. Sci. 68:317-323. (.pdf 641KB)

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1987

  1. Elzo, M. A., E. J. Pollak, and R. L. Quaas. 1987. Effects of age of dam on weight traits in the Simmental population. J. Anim. Sci. 64:992-1001. (.pdf 551KB)
  2. Elzo, M. A., E. J. Pollak, and R. L. Quaas. 1987. Genetic trends due to bull usage in the Simmental population. J. Anim. Sci. 64:983-991. (.pdf 499KB)

1986

  1. Elzo, M. A. 1986. Inverse of the single trait additive genetic covariance matrix with unequal additive variances across genetic groups. J. Dairy Sci. 69:569-574. (.pdf 397KB)

1985

  1. Elzo, M. A., and G. E. Bradford. 1985. Multibreed sire evaluation across countries.
    J. Anim. Sci. 60:953-963. (.pdf 694KB)
  2. Elzo, M. A., and T. R. Famula. 1985. Multibreed sire evaluation within a country.
    J. Anim. Sci. 60:942-952. (.pdf 819KB)

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