PhD thesis

• Approval decision 2019
• Re-visitation report. CORRECTION OF MAJOR DEFICIENCY
• European Association of Establishments for Veterinary Education RE-VISITATION REPORT to The Institute of Veterinary Medicine and Sciences, Estonian University of Life Sciences, Tartu. On 06 – 08 November 2019.

Estonian University of Life Sciences (Eesti Maaülikool)
Institute of Veterinary Medicine and Animal Sciences (Veterinaarmeditsiini ja loomakasvatuse instituut)
Chair of Veterinary Biomedicine and Food Hygiene (Veterinaarse biomeditsiini ja toiduhügieeni õppetool)
Division of Food Hygiene and –Safety (toiduhügieeni ja –ohutuse töörühm)

Defenced doctoral theses (kaitstud doktoriväitekirjad)

1. Mihkel Mäesaar. 2022. „Prevalence and counts of Listeria monocytogenes and Campylobacter spp. in food and molecular characterisation of the isolates in Estonia“. Supervisor: Professor Mati Roasto; Opponent: Dr. Eva Møller Nielsen (Statens Serum Institut). Estonian University of Life Sciences, Institute of Veterinary Medicine and Animal Sciences.
2. Piret Raudsepp. 2021. „Polyphenolic composition of rhubarb (Rheum rhaponticum L.) and blackcurrant (Ribes nigrum L.), antibacterial and free radical scavening properties of these plants in comparison with some other food plants“. Supervisors: Professor Tõnu Püssa, Estonian University of Life Sciences; Dr. Ave Kikas, PhD, Estonian University of Life Sciences. Opponent: Professor Baoru Yang, Food Chemistry and Food Development Unit, Faculty of Science and Engineering, University of Turku, Finland.
3. Merike Lillenberg. 2011. Residues of some pharmaceuticals in sewage sludge in Estonia, their stability in the environment and accumulation into food plants via fertilizing. Supervisors: Professor Lembit Nei, Tallinn University of Technology; Professor Kalev Sepp, Estonian University of Life Sciences. Opponent: Professor Sergey V. Mikhalovsky, University of Brighton, UK.
4. Terje Elias. 2010. „Nitrate and nitrite contents in vegetables and vegetable-based foods, transformation dynamics and dietary Intake“. Supervisors: Accociate professor emeritus Alida Kiis, Estonian University of Life Sciences; Professor Tõnu Püssa, Estonian University of Life Sciences; Associate professor Mati Roasto, Estonian University of Life Sciences. Opponent: Prof. dr hab. Ewa Ciešlik, Malopolska Centre of Food Monitoring and Certification, Faculty of Food Technology, University of Agriculture in Krakow, Poland.
5. Kadrin Meremäe. 2010. „Campylobacter spp. in Estonian broiler chicken production chain and the co-effect of pro- and prebiotics on the Campylobacter spp. strains in vitro“. Supervisors: Associate professor Priit Elias, Estonian University of Life Sciences; Accociate professor Mati Roasto, Estonian University of Life Sciences; Professor Marja-Liisa Hänninen, University of Helsinki. Opponent: Hanne Rosenquist, PhD. Division of Microbiology and Risk Assessment, National Food Institute, Technical University of Denmark, and Head of Danish Zoonosis Centre, Denmark.
6. Mati Roasto. „Campylobacter spp. in poultry and raw poultry meat products in Estonia with special reference to subtyping and antmicrobial susceptibility“. Supervisors: Professor Marja-Liisa Hänninen, University of Helsinki; Professor Ari Hörman, European Commission; Accociate professor Priit Elias, Estonian University of Life Sciences. Opponent: prof. Eva Olsson Engvall, Swedish University of Agricultural Sciences, SLU, Sweden.

Under supervision PhD theses (juhendamisel doktori väitekirjad)

1. Alar Sünter. Mechanisms of plant derived substances in foodstuffs of animal origin. Supervisors: Piret Raudsepp, Tõnu Püssa and Artur Kuznetsov.
2. Triin Tedersoo. Phenotypic and genotypic relationships between Campylobacter originating from humans, broiler chickens and pigs. Supervisors: Kadrin Meremäe, Mati Roasto.
3. Julia Koskar. Listeria monocytogenes in ready-to-eat food and antimicrobial effect of plant additives in meat products. Supervisors: Mati Roasto and Kadrin Meremäe.