University of Zagreb, Faculty of Agriculture

Assist. Prof. Kristina Kljak, PhD

Assist. Prof. Kristina Kljak, PhD

Department of Animal Nutrition
Office location: 2nd Pavilion, ground floor, room 009
phone: +385 1 239 4022
e-mail: kkljak ( at ) agr.hr
Languages: Croatian, English
Consultations: Monday 11am -12pm, Thursday 11am - 12 pm

Academic qualifications

  • 2006 - 2012: PhD
    Faculty of Agriculture, University of Zagreb, Croatia
    Antioxidant and pigmentation properties of carotenoids from different corn hybrid grains in egg production
  • 1999 - 2005: MSc
    Faculty of Science, University of Zagreb, Croatia
    Isolation and determination of anti-transferrin antibodies using enzyme immunotest

Employment and work experience

  • 2006 - : Faculty of Agriculture, University of Zagreb, Croatia
    2016-now: assistant professor
    2012-2016: teaching assistant
    2006-2012: young researcher

Teaching

Research interests

  • Physical-chemical traits of feeds
  • Quantitative determination of content and antioxidant activity of maize grain
  • Carotenoid pigmentation properties
  • Digestion kinetics of starch, fiber and protein

Training and research experience

  • 11. 11. 2015. - 12. 11. 2015.: The Pennsylvania State University (expert)
    Dairy Cattle Nutrition Workshop, Penn State Extension Dairy Team, The Pennsylvania State University
  • 12. 01. 2015. - 12. 12. 2015.: The Pennsylvania State University, Department of Animal Science (scientific)
    Fulbright Scholarship
  • 24. 09. 2014. - 26. 09. 2014.: European Commission, Joint Research Centre, Institute for Reference Materials and Measurements (expert)
    Enlargement and Integration Workshop: Analysis of food and feed contaminants – Legal and scientific framework; Including method validation and measurement uncertainty
  • 15. 04. 2013. - 15. 06. 2013.: Institute of Chemical Technology, Department of Fermentation Chemistry and Bioengineering (scientific)
    CEEPUS program (CIII-HR-0306-05-1213 – For safe and healthy food in Middle Europe)
  • 01. 05. 2011. - 01. 06. 2011.: Institute of Chemical Technology, Department of Fermentation Chemistry and Bioengineering (scientific)
    CEEPUS program (CII-HR-0306-03-1011 – For safe and healthy food in Middle Europe)
  • 04. 01. 2010. - 04. 02. 2010.: Wroclaw University of Environmental and Life Sciences, Faculty of Agriculture (scientific)
    CEEPUS program (CII-HU-0003-05-09100 – Agriculture and environment in the 21st century)

Projects

scientific

Title Funding Status
European network to advance carotenoid research and applications in agro-food and health COST in progress
Sadržaj i antioksidacijska aktivnost fenolnih kiselina antocijanina zrna žutog kukuruza Sveučilište u Zagrebu in progress
Fenotipska svojstva, masnokiselinski sastav i senzorna kvaliteta mesa i jaja kokoši hrvatice Sveučilište u Zagrebu finished
Utjecaj fitogenih dodataka na kvalitetu jaja i zdravstveni status kokoši nesilica Sveučilište u Zagrebu finished
Utjecaj mikotoksina na sadržaj fenola i karotenoida u zrnu kukuruza Sveučilište u Zagrebu finished
Hranidbena, antioksidativna i prebiotička svojstva kukuruza za domaće životinje MZOS finished

Publications

  • Kljak, K., Pino, F., Harvatine, K. J., & Heinrichs, A. J. (2017) Analysis of selected rumen microbial populations in dairy heifers limit fed diets varying in trace mineral form and starch content. Livestock Science, 198, 93-96. DOI: 10.1016/j.livsci.2017.02.012
  • Kljak, K., Pino, F., & Heinrichs, A. J. (2017) Effect of forage to concentrate ratio with sorghum silage as a source of forage on rumen fermentation, N balance, and purine derivative excretion in limit-fed dairy heifers. Journal of dairy science, 100, 213-223. DOI: 10.3168/jds.2016-11383
  • Duvnjak, M., Kljak, K., & Grbeša, D. (2016) Effect of hybrid, inoculant and storage time on whole plant nitrogen compounds and grain total zein content in maize silage. Journal of Animal and Feed Sciences, 25, 174-178.
  • Kljak, K., Šárka, E., Dostálek, P., Smrčková, P., & Grbeša, D. (2015) Influence of physicochemical properties of Croatian maize hybrids on quality of extrusion cooking. LWT-Food Science and Technology, 60, 472-477. DOI: 10.1016/j.lwt.2014.08.017
  • Kljak, K., & Grbeša, D. (2015) Carotenoid content and antioxidant activity of hexane extracts from selected Croatian corn hybrids. Food Chemistry, 167, 402-408. DOI: 10.1016/j.foodchem.2014.07.002
  • Kljak, K., Grbeša, D., & Karolyi, D. (2014) Reflectance colorimetry as a simple method for estimating carotenoid content in maize grain. Journal of Cereal Science, 59, 109-111. DOI: 10.1016/j.jcs.2013.12.004

Bibliography (CROSBI): https://www.bib.irb.hr/pregled/znanstvenici/288105?w_mentor=1

Google Scholar: https://scholar.google.hr/citations?user=vUe5PWUAAAAJ&hl=hr&oi=sra