Regular

Selected Presentations [Regular]

2017

  1. Jattawa, D., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2017. Comparison of Genomic-Polygenic Evaluations Using Random Regression Models with Legendre Polynomials and Splines for Milk Yield and Fat Percentage in Thai Multibreed Dairy Cattle. Abstract 20913, ASAS Annual Meeting, Baltimore, MD, July 8-12-2017.

  2. Jattawa, D., S. Koonawootrittriron, T. Suwanasopee and M. A. Elzo. 2017. Genomic estimated breeding values of Thai and foreign sires for the improvement of milk production potential of dairy cattle in Thailand. Animal Genetic Improvement and Biotechnology Conference, Thailand, July 13-14, 2017.

  3. Konkruea, T., S. Koonawootrittriron, T. Suwanasopee and M. A. Elzo. 2017. Accuracy of genomic-polygenic breeding values for age at first calving and milk yield in Thai multibreed dairy cattle population. Animal Genetic Improvement and Biotechnology Conference, Thailand, July 13-14, 2017.

  4. Laodim, T., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2017. Population structure in a Thai multibreed dairy cattle population. Abstract 20424, ASAS Annual Meeting, Baltimore, MD, July 8-12-2017.

  5. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2017. GeneticAnalysis of Production Traits in Different Parities Using Multiple Trait Animal Models in aThai Landrace-Yorkshire Swine Population. Abstract 20917, ASAS Annual Meeting, Baltimore, MD, July 8-12-2017.

  6. Sae-tiao, T., S. Koonawootrittriron, T. Suwanasopee and M.A. Elzo. 2017. Trend for Diurnal Temperature Variation and Relative Humidity and Their Impact on Milk Yield of Dairy Cattle in Tropical Climates. Abstract 20915, ASAS Annual Meeting, Baltimore, MD, July 8-12-2017.

  7. Sae-tiao, T., S. Koonawootrittriron, T. Suwanasopee and M. A. Elzo. 2017. Milk production response to changes in ambient temperature and humidity of multibreed dairy cattle in Thailand. Animal Genetic Improvement and Biotechnology Conference, Thailand, July 13-14, 2017.

  8. Sarakul, M., S. Koonawootrittriron, T. Suwanasopee and M. A. Elzo. 2017. Genetic Parameter for Semen production traits of artificial insemination bulls raised under Thai tropical conditions. Animal Genetic Improvement and Biotechnology Conference, Thailand, July 13-14, 2017.

  9. Sarakul, M., S, Koonawootrittriron, T. Suwanasopee, and M. A. Elzo, 2017. Factors affecting semen quantity and quality of dairy bulls raised under Thai tropical conditions. Sixth National Animal Science Conference, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand, June 22-23, 2017.

  10. Wongpom, B., S. Koonawootrittriron, T. Suwanasopee and M. A. Elzo. 2017. Genomic parameters for milk yield and fat yield in a multibreed dairy cattle population in Central Thailand. Animal Genetic Improvement and Biotechnology Conference, Thailand, July 13-14, 2017.

2016

  1. Jattawa, D., M. A. Elzo, S. Koonawootrittriron, and T. Suwanasopee. 2016. Genomic and polygenic evaluations for milk and fat yields in Holstein upgraded Thai dairy cattle. ADSA- ASAS Joint Annual Meeting. July 19-23, 2016. Salt Lake City, Utah

  2. Noppibool, U., M. A. Elzo, S. Koonawootrittriron and T. Suwanasopee. 2016. Genetic parameters and trends for length of productive life and lifetime production efficiency traits in Thai Landrace and Yorkshire sows. ADSA-ASAS Joint Annual Meeting. July 19-23, 2016. Salt Lake City, Utah.

2015

  1. Jaichansukkit, T., T. Suwanasopee, S. Koonawootrittriron, and M. A. Elzo.  2015.  Genetic parameters of lifetime characteristics of pre-weaning production traits of Landrace sows raised under tropical conditions. ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  2. Jattawa, D., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Accuracy of genomic imputation in a Thai multibreed dairy cattle population. ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  3. Khemsawat, J., S. Koonawootrittriron, T. Suwanasopee , and M. A. Elzo.  2015.  Cow-calf production performance under different management systems in Thailand.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  4. Konkruea, T., S. Koonawootrittriron, T. Suwanasopee , and M. A. Elzo.  2015.  Genetic and phenotypic trends for age at first calving and milk yield in daughters from imported and Thai Holstein sires.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  5. Laodim, T., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Linkage disequilibrium in a Thai dairy cattle population with different Holstein fractions.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  6. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Genetic parameters for length of productive life and lifetime production traits of purebred Landrace and Yorkshire sows in Northern Thailand.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  7. Sae-tiao, T., S. Koonawootrittriron, T. Suwanasopee , and M. A. Elzo.  2015.  Changes in temperature-humidity index and number of hot days related to heat stress of dairy cattle in Thailand.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  8. Suwanasopee, T., S. Koonawootrittriron, and M. A. Elzo.  2015.  Genetic selection tool for number born alive and stillbirth piglets in commercial Thai populations.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  9. Wongpom, B., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Genomic-polygenic evaluation for milk yield and fat yield in a multibreed dairy cattle population in Central Thailand.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

  10. Yodklaew, P., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2015.  Association between genomic SNPs and dairy production traits in Thai multibreed dairy cattle.  ADSA-ASAS Joint Annual Meeting, Orlando, FL, July 12-16, 2015.  [Poster]

2013

  1. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2013.  Genotype by environment interaction effect on lactation pattern and milk production traits in an Ethiopian dairy cattle population.  ADSA-ASAS Joint Annual Meeting, Indianapolis, IN, July 8-12, 2013.

  2. Jaichansukkit, T., T. Suwanasopee, M. A. Elzo, S. Koonawootrittriron.  2013.  Characteristics of lifetime pre-weaning production traits in Landrace and Yorkshire sows under tropical conditions. ADSA-ASAS Joint Annual Meeting, Indianapolis, IN, July 8-12, 2013.

  3. Noppibool, U., S. Koonawootrittriron, M. A. Elzo, T. Suwanasopee.  2013.  Effect of proportion of non-productive sow days on lifetime production traits in swine under Thai tropical conditions.  ADSA-ASAS Joint Annual Meeting, Indianapolis, IN, July 8-12, 2013.

  4. Wongprom, B., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2013.  Genetic parameter estimates for rump traits and teat length in a multibreed dairy cattle population in Thailand.  ADSA-ASAS Joint Annual Meeting, Indianapolis, IN, July 8-12, 2013.

  5. Yodklaew, P., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2013.  Impact of sire by region interaction on first-lactation traits of dairy cows raised under tropical conditions in Thailand.  ADSA-ASAS Joint Annual Meeting, Indianapolis, IN, July 8-12, 2013.  

2012

  1. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2012.  Fitness of lactation curve functions to daily and monthly test-day milkdata in an Ethiopian dairy cattle population. ADSA-AMPA-ASAS-CSAS-WSASAA Joint Annual Meeting, Phoenix, AZ, July 15-19, 2012.

  2. Koonawootrittriron, S., P. Yodklaew, M. A. Elzo and T. Suwanasopee.  2012.  Association between milk production and Holstein fraction of upgraded dairy cattle in the Thai tropics.  ADSA-AMPA-ASAS-CSAS-WSASAA Joint Annual Meeting, Phoenix, AZ, July 15-19, 2012.

  3. Koonawootrittriron, S., U. Nopibool, M. A. Elzo and T. Suwanasopee.  2012.  Length of productive life and lifetime production of Landrace, Yorkshire and crossbred sows raised underThai tropical conditions. ADSA-AMPA-ASAS-CSAS-WSASAA Joint Annual Meeting, Phoenix, AZ, July 15-19, 2012.

  4. Gebreyohannes, G., S. Koonawootrittriron, M. A. Elzo and T. Suwanasopee.  2012.  Fitness of lactation curve functions to daily and monthly test-day milkdata in an Ethiopian dairy cattle population. ADSA-AMPA-ASAS-CSAS-WSASAA Joint Annual Meeting, Phoenix, AZ, July 15-19, 2012.

2011

  1. Jatawa, D., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee. 2011. Bulk tank somatic cells and its relationship to milk production, milk composition, and revenue in dairy farms located in central Thailand. ADSA-ASAS Joint Annual Meeting, New Orleans, LA, July 10-14, 2011. (Abstr., Poster)

  2. Koonawootrittriron, S., M. A. Elzo, C. Kankaew, and M. Osothongs. 2011. Factors affecting carcass weight, dressing percent, and marbling score of crossbred beef cattle in tropical Thailand. ADSA-ASAS Joint Annual Meeting, New Orleans, LA, July 10-14, 2011. (Abstr., Poster)

2010

  1. Elzo, M. A., C. Chansomboon, T. Suwanasopee and S. Koonawootrittriron. 2010. Genetic parameters and trends for weaning-to-first service interval and litter traits in a swine population composed of Landrace, Large White, and their crosses in Thailand. The 14th AAAP Animal Science Congress, August 23-27, 2010, Pingtung, Taiwan ROC. (Vol. 2: p. 178; Abstr., Poster)

  2. Sarakul, M., S. Koonawootrittriron, M.A. Elzo and T. Suwanasopee. 2010. Factors associated genetic improvement for milk production of dairy cattle at farm level in Central Thailand. The 14th AAAP Animal Science Congress, August 23-27, 2010, Pingtung, Taiwan ROC. (Vol. 2: p. 194; Abstr., Poster)

  3. Thiengpimol, P., T. Suwanasopee and S. Koonawootrittriron. 2010. Genetic analysis for piglet loss of purebred Landrace and Yorkshire sows raised in a Thai commercial swine population. The 14th AAAP Animal Science Congress, August 23-27, 2010, Pingtung, Taiwan ROC. (Vol. 2: p. 176; Abstr., Poster)

  4. Suwanasopee, T., P. Thengpimol, S. Koonawootrittriron, and N. Chanthapanya. 2010. Effect of Estrogen Receptor (ESR) Genotypes on Litter Size and Weaning to Estrus Interval in a Thai Commercial Swine Population.The 14th AAAP Animal Science Congress, August 23-27, 2010, Pingtung, Taiwan ROC. (Vol. 2: p. 171; Abstr., Poster)

2009

  1. Chansomboon, C., S. Koonawootrittriron, M. A. Elzo, and T. Suwanasopee.  2009.  Factors affecting weaning-to-first service interval in a Landrace-Large White swine population in Northern Thailand. Joint ADSA-CSAS-ASAS Meeting, Montreal, Canada. July 12-16, 2009.  J. Anim. Sci. (E-Suppl. 2): (Abstr., Poster).

  2. Yeamkong, S., S. Koonawootrittriron, M. A Elzo and T. Suwanasopee. 2009. Dairy farm milk quantity, quality, and revenue within a private organization in Central Thailand. Joint ADSA-CSAS-ASAS Meeting, Montreal, Canada. July 12-16, 2009.  J. Anim. Sci. (E-Suppl. 2): (Abstr., Poster).

  3. Kongnoi, T., S. Koonawootrittriron, M. A. Elzo, T. Suwanasopee and A. Hirunwong. 2009. Semen quantity and quality of dairy bulls raised in tropical Central Thailand. Joint ADSA-CSAS-ASAS Meeting, Montreal, Canada. July 12-16, 2009.  J. Anim. Sci. (E-Suppl. 2): (Abstr., Poster).

  4. Punsanit, T., S. Koonawootrittriron, T. Suwanasopee, and M. A. Elzo. 2009. Effect of proportion of females on number of piglets born alive and pre-weaning growth traits in Pietrain swine in Thailand. Joint ADSA-CSAS-ASAS Meeting, Montreal, Canada. July 12-16, 2009.  J. Anim. Sci. (E-Suppl. 2): (Abstr., Poster).

2008

  1. Koonawootrittriron, S., T. Suwanasopee, and M. A. Elzo.  2008.  Factors affecting plasma cholesterol, lipoproteins, and triglycerides in growing pigs of various breed compositions raised under Thai tropical conditions. Joint ADSA-ASAS Meeting, Indianapolis, Indiana, July 7-11, 2008.  J. Anim. Sci. 86 (Suppl. 2): 203-204 (Abstr., Poster).

  2. Pholsing, P., S. Koonawootrittriron, T. Suwanasopee, and M. A. Elzo.  2008.  Genetic association between age and litter traits at first farrowing in a commercial Pietrain-Large White population raised in an open-house system in Thailand. Joint ADSA-ASAS Meeting, Indianapolis, Indiana, July 7-11, 2008. J. Anim. Sci. 86 (Suppl. 2):203 (Abstr., Poster).

  3. Seangjun, A., S. Koonawootrittriron, and M. A Elzo.  2008.  Lactation patterns for dairy cattle in a multibreed dairy population in Central Thailand. Joint ADSA-ASAS Meeting, Indianapolis, Indiana, July 7-11, 2008. J. Anim. Sci. 86 (Suppl. 2):8 (Abstr., Poster).

2007

  1. Koonawootrittriron, S., M. A. Elzo, and T. Suwanasopee.  2007.  Genetic trends for dairy traits in the Holstein x Other Breeds multibreed dairy cattle population in tropical central Thailand. Joint ADSA/PSA/AMPA/ASAS Meeting, San Antonio, Texas, July 7, 2007.  J. Anim. Sci. 85 (Suppl. 1):19 (Abstr., Poster).

  2. Koonawootrittriron, S., M. A. Elzo, and T. Suwanasopee.  2007.  Characterization of a negative halothane gene commercial multibreed swine population for growth and conformation traits in tropical western Thailand. Joint ADSA/PSA/AMPA/ASAS Meeting, San Antonio, Texas, July 7, 2007.  J. Anim. Sci. 85 (Suppl. 1):57 (Abstr., Poster).

  3. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo.  2007.  Factors affecting bacterial score and bulk tank somatic cell count of dairy farms located in the central region of Thailand.  Joint ADSA/PSA/AMPA/ASAS Meeting, San Antonio, Texas, July 7, 2007.  J. Anim. Sci. 85 (Suppl. 1):639 (Abstr., Oral Presentation).

  4. Rhone, J. A., S. Koonawootrittriron, and M. A. Elzo.  2007.  Factors affecting milk price and revenues of dairy farms in the central region of Thailand.  Joint ADSA/PSA/AMPA/ASAS Meeting, San Antonio, Texas, July 7, 2007.  J. Anim. Sci. 85 (Suppl. 1):638 (Abstr., Oral Presentation).