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How Is the Effect of Phytogenic Feed Supplementation Tested in Heat Stressed Pigs? Methodological and Sampling Considerations

1
Laboratory Network of Agricultural and Food Sciences, Molecular Biology Laboratory, Kaposvár University, 7400 Kaposvár, Hungary
2
Institute of Nutrition and Product Development Sciences, Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Kaposvár University, 7400 Kaposvár, Hungary
3
Institute of Physiology, Biochemistry and Animal Hygiene, Department of Physiology and Animal Hygiene, Faculty of Agricultural and Environmental Sciences, Kaposvár University, 7400 Kaposvár, Hungary
*
Author to whom correspondence should be addressed.
Received: 13 May 2020 / Revised: 16 June 2020 / Accepted: 23 June 2020 / Published: 2 July 2020
Climate change will lead to increasingly hot summers where the temperature rises above the thermoneutral range of pigs; as a result, they get exposed to heat stress. One of the most damaging consequences of long-lasting heat stress is oxidative stress arising from the increasing level of reactive oxygen species. In order to eliminate oxidative stress, metabolites that are needed for maintaining life and growth may get depleted, which, in chronic cases in particular, negatively affects the economy of meat production. The effect of plant-originated phytogenic feed additives with high antioxidant content may be beneficial to pigs in reducing the effects of oxidative stress induced by heat stress. In this study, a range of methods that assess the effects of phytogenic feed additives on heat stress are reviewed. The main focus is presenting an overview of the investigational possibilities of the antioxidative system and feed uptake and utilization via traditional methods and molecular biological investigations. Furthermore, methodological aspects of sampling are taken into consideration in order to select the best methods for determining the effect of phytogenic feed supplementation on heat-stressed pigs. View Full-Text
Keywords: heat stress; antioxidants; molecular methods; gene expression; pig; phytogenic feed supplementation heat stress; antioxidants; molecular methods; gene expression; pig; phytogenic feed supplementation
MDPI and ACS Style

Jócsák, I.; Tossenberger, J.; Végvári, G.; Sudár, G.; Varga-Visi, É.; Tóth, T. How Is the Effect of Phytogenic Feed Supplementation Tested in Heat Stressed Pigs? Methodological and Sampling Considerations. Agriculture 2020, 10, 257. https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture10070257

AMA Style

Jócsák I, Tossenberger J, Végvári G, Sudár G, Varga-Visi É, Tóth T. How Is the Effect of Phytogenic Feed Supplementation Tested in Heat Stressed Pigs? Methodological and Sampling Considerations. Agriculture. 2020; 10(7):257. https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture10070257

Chicago/Turabian Style

Jócsák, Ildikó, János Tossenberger, György Végvári, Gergő Sudár, Éva Varga-Visi, and Tamás Tóth. 2020. "How Is the Effect of Phytogenic Feed Supplementation Tested in Heat Stressed Pigs? Methodological and Sampling Considerations" Agriculture 10, no. 7: 257. https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture10070257

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