Effects of high vitamin and micro-mineral supplementation on growth performance and pork quality of finishing pigs under heat stress


  • Arth David Sol Valmoria ORTEGA University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Nutrition and Physiology, Debrecen
  • László BABINSZKY University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Nutrition and Physiology, Debrecen
  • Zsófia RÓZSÁNÉ-VÁRSZEGI University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Science, Debrecen
  • Xénia Erika OZSVÁTH University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Science, Debrecen
  • Ogonji Humphrey ORIEDO Department of Agriculture, Livestock and Food Security, Veterinary services section, Country Government of Makueni, 78-90300
  • János OLÁH University of Debrecen, Institute for Agricultural Research and Educational Farm, Kismacs Experimental Station of Animal Husbandry, Debrecen
  • Csaba SZABÓ University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Nutrition and Physiology, Debrecen




pigs, animal nutrition, heat stress, feed additives, vitamins, micro-minerals, growth performance, meat quality


The objective of this study was to determine the effects of heat stress (HS) on the production performance of fattening pigs and whether the supplementation of vitamins (C and E) and micro-minerals (Se and Zn) at increased concentrations can mitigate HS adverse effects. Thirty six Danbred hybrid barrows (65.1 ± 2.81 kg) were randomly distributed into four treatments 1) HS (28.9 ± 0.9 °C, RH- 60.4 ± 4.3 %) + control diet (HC), 2) HS + diet 1 (HT1), 3) HS + diet 2 (HT2), and 4) thermo-neutral conditions (19.5 ± 0.9 °C, RH- 85.9 ± 7.3 %) + control diet (TC). Bodyweight and feed intake were measured weekly for four weeks. After the experiment, six pigs from each treatment were slaughtered, and the longissimus lumborum muscle was sampled to evaluate meat quality. At week four, HS significantly affected pig body weight (< 0.05). However, the other parameters were not significantly affected by HS,while slight improvements in these parameters were observed by supplementing vitamins and micro-minerals in the diet of the pigs despite exposure to HS. Therefore, the pigs used in the study showed resilience to adverse effects of HS on growth and meat quality parameters. The content of vitamins C and E and microminerals Se and Zn in the diet seems to play an important role in resilience to HS, therefore their requirement and supplementation should be carefully evaluated.

Author Biographies

Arth David Sol Valmoria ORTEGA, University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Nutrition and Physiology, Debrecen

PhD student, University of Debrecen, Doctoral School of Animal Science

Xénia Erika OZSVÁTH, University of Debrecen, Faculty of Agriculture and Food Sciences and Environmental Management, Institute of Animal Science, Biotechnology and Nature, Department of Animal Science, Debrecen

University of Debrecen, Doctoral School of Animal Science


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How to Cite

ORTEGA, A. D. S. V., BABINSZKY, L., RÓZSÁNÉ-VÁRSZEGI, Z., OZSVÁTH, X. E., ORIEDO, O. H., OLÁH, J., & SZABÓ, C. (2022). Effects of high vitamin and micro-mineral supplementation on growth performance and pork quality of finishing pigs under heat stress. Acta Agriculturae Slovenica, 118(4), 1–10. https://doi.org/10.14720/aas.2022.118.4.2808



Original Scientific Article