Chalita Jainonthee

DVM, MPH, PhD

Lecturer, Faculty of Veterinary Medicine, Chiang Mai University

A lecturer and researcher at Chiang Mai University's Faculty of Veterinary Medicine. With over a decade of veterinary public health experience, her work focuses on food safety and animal welfare, increasingly through a One Health and machine learning lens. She has led and collaborated on research spanning foodborne pathogen risk, poultry welfare and dead-on-arrival prediction, livestock disease epidemiology, and molecular detection methods, connecting animal, human, and environmental data to make surveillance smarter.

Work Experience

Lecturer / Faculty of Veterinary Medicine, Chiang Mai University

Nov 2024 – Present

Veterinarian / Veterinary Public Health and Food Safety Centre for Asia Pacific, Faculty of Veterinary Medicine, Chiang Mai University

2013 – Oct 2024

Selected Publications

2025

Predicting and Explaining High Dead-on-Arrival Outcomes in Meat-Type Ducks Using Deep Learning: A Path to Improved Welfare Management

Jainonthee, C., et al. · Poultry Science, 104(9), 105439

2025

Modeling and Forecasting Dead-on-Arrival in Broilers Using Time Series Methods: A Case Study from Thailand

Jainonthee, C., et al. · Animals, 15(8), 1179

2024

Data-Driven Insights into Pre-Slaughter Mortality: Machine Learning for Predicting High Dead on Arrival in Meat-Type Ducks

Jainonthee, C., et al. · Poultry Science, 104(1), 104648

2024

Exploring the Influence of Slaughterhouse Type and Slaughtering Steps on Campylobacter jejuni Contamination in Chicken Meat: A Cluster Analysis Approach

Jainonthee, C., et al. · Heliyon, 10(12), e32345

A1 - Level 1 Active Classroom Practitioner
A2 - Level 1 Asynchronous Learning Facilitator
D1 - Level 1 Technology-Rich Learning Designer
D2 - Level 1 Digital Media Creator
OE1 - Level 1 Design Learning Outcomes
OE2 - Level 1 Design Learning Activity & Assessment
OE3 - Level 1 Continuous Quality Improvement

Research Grants & Projects

2026

Development of Intelligent Virtual Teaching Material for GMP Auditing Using 360-Degree Camera Technology and Artificial Intelligence for Veterinary Students' Competency Development

PI. Jainonthee, C., Pichpol, D., Buddhasiri, S., Eiamsam-ang, T., Jintana, J., & Osathanunkul, K.

2026

Investigation of Biofilm-Forming Salmonella spp. and Staphylococcus aureus Carrying Antimicrobial-Resistance Genes on Food-Contact Surfaces in Small- and Medium-Sized Swine Slaughterhouses

PI. Jainonthee, C., Pichpol, D., Buddhasiri, S., & Setthaya, P.

2026

Genomic Epidemiology of Non-Typhoidal Salmonella Isolated from Human, Animal, and Environment in a One Health Context (Phase II)

PI. Buddhasiri, S., Thiennimitr, P., Jainonthee, C., Eiamsam-ang, T., & Arjin, C.

2025

Genomic Epidemiology of Non-Typhoidal Salmonella Isolated from Human, Animal, and Environment in a One Health Context

PI. Buddhasiri, S., Tadee, P., Jainonthee, C., & Thiennimitr, P.

2020

Assessing Impacts of COVID-19 Pandemic on Animal Sourced Food Retailers and Consumers in Thailand

PI. Chaisowwong, W., Pichpol, D., Meeyam, T., Punyapornwithaya, V., & Jainonthee, C.

2020

Application of Loop-Mediated Isothermal Amplification (LAMP) Technique for Campylobacter jejuni Testing in Food Samples

PI. Jainonthee, C., Pichpol, D., Meeyam, T., Chaisowwong, W., Wiratsudakul, A., & Ngamsanga, P.

2017

Culling Practices, Disposal Approaches and Compensation Policies for Poultry Disease Control in Lower Mekong Countries

PI. Meeyam, T., Pichpol, D., Chaisowwong, W., Jainonthee, C., Sukumonchan, W., Phumkrachai, B., Valeri, L., Wells, S. J., & Hueston, W.

2016

Effectiveness of Campylobacter Reduction and Sensory Evaluation of Pork in Cold Storage

PI. Pichpol, D., Meeyam, T., Chaisowwong, W., & Jainonthee, C.

2016

Microbiological Quantitative Assessment of Campylobacter jejuni in Chicken Meat in Chiang Mai Province, Thailand

PI. Pichpol, D., Meeyam, T., Chaisowwong, W., Wells, S. J., & Jainonthee, C.

2016

Modified Quantification Method of Viable Campylobacter jejuni from Chicken Carcass Rinse Using Reverse Transcriptase Real-Time Polymerase Chain Reaction for Risk Assessment of Consumer

PI. Meeyam, T., Pichpol, D., Chaisowwong, W., & Jainonthee, C.

2015–2017

Risk Assessment of Campylobacter jejuni in Chicken Meat Production in Northern Thailand

PI. Chaisowwong, W., Pichpol, D., Meeyam, T., Jainonthee, C., Ngamsanga, P., Sampedro, F., & Wells, S. J.

Full Paper Publications

2026

Changes in Carcass Condemnation During a Six-Year Transition from Antibiotic-Based to Antibiotic-Free Broiler Production in Thailand: A Bayesian Structural Time-Series Analysis

Punyapornwithaya, V., Siriyakhun, S., Jainonthee, C., Pichpol, D., Pirompud, P., Sivapirunthep, P., & Chaosap, C. · Animals, 16(13), 2050 · doi.org/10.3390/ani16132050

2025

Insights into the Epidemiological Characteristics, Temporal Changepoints, and Space-Time Clusters of Foot and Mouth Disease Outbreaks in the SEACFMD Region to Support Eradication Efforts

Punyapornwithaya, V., Srisawang, S., Jainonthee, C., Li, W., Abila, R., Rinzin, K., Sutar, A., & Purevsuren, B. · Preventive Veterinary Medicine, 245, 106683 · doi.org/10.1016/j.prevetmed.2025.106683

2025

Using Online Public Animal Price Data as a Signal for Predicting an Increase in Animal Disease Outbreak Reports: A Pilot Study on Cross-Correlation Modeling in Thailand

Punyapornwithaya, V., Srisawang, S., Jainonthee, C., Li, W., Abila, R., & Purevsuren, B. · BMC Veterinary Research, 21(1), 427 · doi.org/10.1186/s12917-025-04888-5

2025

Predicting and Explaining High Dead-on-Arrival Outcomes in Meat-Type Ducks Using Deep Learning: A Path to Improved Welfare Management

Jainonthee, C., Sanwisate, P., Sivapirunthep, P., Chaosap, C., Pichpol, D., Mektrirat, R., Chadsuthi, S., & Punyapornwithaya, V. · Poultry Science, 104(9), 105439 · doi.org/10.1016/j.psj.2025.105439

2025

Impact of Transitioning from Antibiotic Use to Antibiotic-Free Practices on Broiler Dead-on-Arrival Rates: A Bayesian Structural Time Series Approach

Sivapirunthep, P., Pirompud, P., Punyapornwithaya, V., Srisawang, S., Jainonthee, C., & Chaosap, C. · Poultry Science, 104(8), 105312 · doi.org/10.1016/j.psj.2025.105312

2025

Pathological Characteristics of Pregnant Tree Shrews Infected by Zoonotic Hepatitis E Virus Genotype and the Effect of Estrogen on Virus Replication

Zhu, P., Wang, G., Punyapornwithaya, V., Jainonthee, C., Tian, J., Liu, Y., Suksawat, F., Angkititrakul, S., Nan, Y., Li, Z., Duan, X., & Li, W. · Veterinary Sciences, 12(5), 483 · doi.org/10.3390/vetsci12050483

2025

Modeling and Forecasting Dead-on-Arrival in Broilers Using Time Series Methods: A Case Study from Thailand

Jainonthee, C., Sivapirunthep, P., Pirompud, P., Punyapornwithaya, V., Srisawang, S., & Chaosap, C. · Animals, 15(8), 1179 · doi.org/10.3390/ani15081179

2025

Seasonal and Meteorological Drivers of Hand, Foot, and Mouth Disease Outbreaks Using Data-Driven Machine Learning Models

Lonlab, P., Anupong, S., Jainonthee, C., & Chadsuthi, S. · Tropical Medicine and Infectious Disease, 10(2), 48 · doi.org/10.3390/tropicalmed10020048

2024

Data-Driven Insights into Pre-Slaughter Mortality: Machine Learning for Predicting High Dead on Arrival in Meat-Type Ducks

Jainonthee, C., Sanwisate, P., Sivapirunthep, P., Chaosap, C., Mektrirat, R., Chadsuthi, S., & Punyapornwithaya, V. · Poultry Science, 104(1), 104648 · doi.org/10.1016/j.psj.2024.104648

2024

Analyzing and Forecasting Poultry Meat Production and Export Volumes in Thailand: A Time Series Approach

Klaharn, K., Ngampak, R., Chudam, Y., Salvador, R., Jainonthee, C., & Punyapornwithaya, V. · Cogent Food & Agriculture, 10(1) · doi.org/10.1080/23311932.2024.2378173

2024

Exploring the Influence of Slaughterhouse Type and Slaughtering Steps on Campylobacter jejuni Contamination in Chicken Meat: A Cluster Analysis Approach

Jainonthee, C., Chaisowwong, W., Ngamsanga, P., Meeyam, T., Sampedro, F., Wells, S. J., & Pichpol, D. · Heliyon, 10(12), e32345 · doi.org/10.1016/j.heliyon.2024.e32345

2024

Analysis of Factors Associated with the First Lumpy Skin Disease Outbreaks in Naïve Cattle Herds in Different Regions of Thailand

Arjkumpa, O., Wachoom, W., Puyati, B., Jindajang, S., Suwannaboon, M., Premashthira, S., Prarakamawongsa, T., Dejyong, T., Sansamur, C., Salvador, R., Jainonthee, C., & Punyapornwithaya, V. · Frontiers in Veterinary Science, 11, 1338713 · doi.org/10.3389/fvets.2024.1338713

2024

The Impact of Mass Vaccination Policy and Control Measures on Lumpy Skin Disease Cases in Thailand: Insights from a Bayesian Structural Time Series Analysis

Punyapornwithaya, V., Arjkumpa, O., Buamithup, N., Jainonthee, C., Salvador, R., & Jampachaisri, K. · Frontiers in Veterinary Science, 10, 1301546 · doi.org/10.3389/fvets.2023.1301546

2023

Time Series Analysis and Forecasting of the Number of Canine Rabies Confirmed Cases in Thailand Based on National-Level Surveillance Data

Punyapornwithaya, V., Thanapongtharm, W., Jainonthee, C., Chinsorn, P., Sagarasaeranee, O., Salvador, R., & Arjkumpa, O. · Frontiers in Veterinary Science, 10, 1294049 · doi.org/10.3389/fvets.2023.1294049

2022

Air Pollution-Related Respiratory Diseases and Associated Environmental Factors in Chiang Mai, Thailand, in 2011-2020

Jainonthee, C., Wang, Y. L., Chen, C. W. K., & Jainontee, K. · Tropical Medicine and Infectious Disease, 7(11) · doi.org/10.3390/tropicalmed7110341

2022

Impacts of the Pandemic, Animal Source Food Retailers' and Consumers' Knowledge and Attitudes Toward COVID-19, and Their Food Safety Practices in Chiang Mai, Thailand

Jainonthee, C., Dang-Xuan, S., Nguyen-Viet, H., Unger, F., & Chaisowwong, W. · International Journal of Environmental Research and Public Health, 19(16), 10187 · doi.org/10.3390/ijerph191610187

2022

Decontamination of Pathogenic and Spoilage Bacteria on Pork and Chicken Meat by Liquid Plasma Immersion

Sammanee, P., Ngamsanga, P., Jainonthee, C., Chupia, V., Sawangrat, C., Kerdjana, W., Lampang, K. N., Meeyam, T., & Pichpol, D. · Foods, 11(12), 1743 · doi.org/10.3390/foods11121743

2022

A Cutoff Determination of Real-Time Loop-Mediated Isothermal Amplification (LAMP) for End-Point Detection of Campylobacter jejuni in Chicken Meat

Jainonthee, C., Chaisowwong, W., Ngamsanga, P., Wiratsudakul, A., Meeyam, T., & Pichpol, D. · Veterinary Sciences, 9(3), 122 · doi.org/10.3390/vetsci9030122

2020

Study on Ozone Oxidation and Aerosol Characteristics of COVID-19

Chen, C., & Jainonthee, C. · Oxidation Communications, 43(4), 599-616

2020

Mapping Veterinary Curricula to Enhance World Organisation for Animal Health (OIE) Day 1 Competence of Veterinary Graduates

Hamilton, K., Middleton, J. L., Pattamakaew, S., Khattiya, R., Jainonthee, C., Meeyam, T., & Hueston, W. · Journal of Veterinary Medical Education, 47(s1), 74-82 · doi.org/10.3138/jvme-2019-0109

Full Paper Proceedings

2025

Leveraging Baseline Neural Networks and SHAP Analysis to Identify Predictors for Dead on Arrival in Meat Duck Production

Jainonthee, C., Sanwisate, P., Sivapirunthep, P., Chaosap, C., Mektrirat, R., Chadsuthi, S., & Punyapornwithaya, V. · The 2nd International Conference "Innovation for Resilience Agriculture: Climate-Smart Agriculture," Chiang Mai, pp. 19–27. Faculty of Agriculture, Chiang Mai University. (Oral presentation)

2018

Campylobacter jejuni Contamination of Chicken Carcasses from Negative and Positive Slaughter Batches

Jainonthee, C., Ngamsanga, P., Chaisowwong, W., Meeyam, T., Sampedro, F., Wells, S. J., & Pichpol, D. · The 5th Food Safety and Zoonoses Symposium for Asia Pacific, Chiang Mai, pp. 23–28. Veterinary Public Health Centre for Asia Pacific. (Oral presentation)

Abstract Proceedings

2021

Covid-19 Chemistry and Diffusion, a Conceptual Study from the Meaning of Public Health and Environmental Protection

Chen, W. K. C., & Jainonthee, C. · International Virtual Symposium on Environmental and Green Chemistry for Sustainable Development (EnvChem2021), Shah Alam, pp. 90. Universiti Teknologi MARA, Malaysia. (Oral presentation)

2017

Microbiological Quantitative Assessment of Poultry Carcasses from Large-Scale Slaughterhouses in Chiang Mai Province, Thailand

Jainonthee, C., Chaisowwong, W., Meeyam, T., Chanayat, Y., Ngamsanga, P., & Pichpol, D. · The 3rd Researchers Conference of Emerging Disease at Convergence of Animal, Human and Environmental Health, Chiang Mai, pp. 28. Veterinary Public Health Centre for Asia Pacific. (Oral presentation)

2016

The Use of Polymerase Chain Reaction in Vibrio parahaemolyticus Identification Applied in Most Probable Number Method

Jainonthee, C., Pothipik, R., Na Lampang, K., Pichpol, D., & Meeyam, T. · The First Joint AITVM–STVM Conference, Berlin, pp. 151. Verlag der DVG Service GmbH. (Poster presentation)