<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The honey bee has a significant environmental and economic impact. While collecting food or water, bees are exposed to negative physical and chemical factors that lead to physiological and behavioral changes and, consequently, even death. Along with the development of technology and communication, electromagnetic fields produced by artificial emitters have begun to have an impact on the environment. The aim of the study was to check whether the electromagnetic field also impacts antioxidant enzymes functioning in the honey bee's organism. The study was conducted under laboratory conditions, and one-day and seven-day-old honey bee workers were used in the experiment. Honey bee workers were exposed to an electromagnetic field with a frequency of 50Hz and variable intensity in the range of 1–10 kV/m. Immediately after the end of the exposure, hemolymph was collected from the bees for biochemical analysis. The results of the research did not show clearly whether changes in the activity of biochemical markers were affected by the time spent in the electromagnetic field or its intensity but did show that there was a difference in physiology between one-day-old and seven-day-old bees.</p>
</abstract>

The honey bee has a significant environmental and economic impact. While collecting food or water, bees are exposed to negative physical and chemical factors that lead to physiological and behavioral changes and, consequently, even death. Along with the development of technology and communication, electromagnetic fields produced by artificial emitters have begun to have an impact on the environment. The aim of the study was to check whether the electromagnetic field also impacts antioxidant enzymes functioning in the honey bee's organism. The study was conducted under laboratory conditions, and one-day and seven-day-old honey bee workers were used in the experiment. Honey bee workers were exposed to an electromagnetic field with a frequency of 50Hz and variable intensity in the range of 1–10 kV/m. Immediately after the end of the exposure, hemolymph was collected from the bees for biochemical analysis. The results of the research did not show clearly whether changes in the activity of biochemical markers were affected by the time spent in the electromagnetic field or its intensity but did show that there was a difference in physiology between one-day-old and seven-day-old bees.

Influence of Electromagnetic Field with Frequency of 50 Hz in form of Doses on Selected Biochemical Markers of Honey Bee

Department of Environment Hygiene and Animal Welfare

Wroclaw University of Environmental and Life Sciences

Telecommunications and Teleinformatics Department

Wroclaw University of Science and Technology

Journal of Apicultural Science

This work is licensed under the Creative Commons Attribution 4.0 International License.

The honey bee has a significant environmental and economic impact. While collecting food or water, bees are exposed to negative physical and chemical factors...

Field strength	Time [h]	Dose level [(kV/m) ^*h]
1 kV/m	2	1*2=2
2 kV/m	1	2*1=2
4 kV/m	0.5	4*0.5=2
8 kV/m	0.25	8*0.25=2

Group	Time [h]	Age [days]	Selected biochemical markers (±SD)
Group	Time [h]	Age [days]	ALT [U/L]	AST [U/L]	ALP [U/L]	GGTP [U/L]
Control	-		71.64^A (±6.27)	105.96^A (±12.66)	5.67 (±0.31)	5.77^A (±2.55)
1 kV/m	2		57.35 (±0.05)	112.72 (±0.23)	2.62 (±0.35)	2.57 (±0.26)
2 kV/m	1	1	74.53^A (±0.03)	133.3^A (±0.05)	4.68 (±0.28)	2.69 (±0.28)
4 kV/m	0.5		69.24 (±0.01)	144.23 (±0.11)	4.45 (±0.15)	1.14 (±0.06)
8 kV/m	0.25		57.6 (±0.02)	102.07 (±0.04)	3.62 (±0.07)	1.5 (±0.18)

Control	-		21.17^B (±0.85)	48.37^B (±3.73)	3.44 (±1.4)	0.56^B (±0.39)
1 kV/m	2		24 (±0.39)	62.18 (±0.89)	1.52 (±0.65)	0.71 (±0.33)
2 kV/m	1	7	19.06^B (±1.28)	49.63^B (±3.15)	1.31 (±0.57)	0.47 (±0.51)
4 kV/m	0.5		21.3 (±1.35)	60.48 (±10.65)	1.32 (±0.64)	0.68 (±0.62)
8 kV/m	0.25		21.8 (±2.55)	54.15 (±6.65)	0.5 (±0.01)	1.34 (±0.94)

	p-value		2.315e-06	2.623e-06	3.576e-06	8.433e-06

Influence of Electromagnetic Field with Frequency of 50 Hz in form of Doses on Selected Biochemical Markers of Honey Bee

Article Category: Original Article

Pubblicato online: 30 giu 2023

Pagine: 27 - 36

Ricevuto: 19 dic 2022

Accettato: 28 mar 2023

DOI: https://doi.org/10.2478/jas-2023-0003

Parole chiave
biochemical markers, electromagnetic field, enzymatic markers, honey bee, 50 Hz

© 2023 Mateusz Plotnik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Dose level in experimental group

Average value of selected biochemical markers in the hemolymph of worker bees after the first and seventh day after extermination

Influence of Electromagnetic Field with Frequency of 50 Hz in form of Doses on Selected Biochemical Markers of Honey Bee

Article Category: Original Article

Pubblicato online: 30 giu 2023

Pagine: 27 - 36

Ricevuto: 19 dic 2022

Accettato: 28 mar 2023

DOI: https://doi.org/10.2478/jas-2023-0003

Parole chiavebiochemical markers, electromagnetic field, enzymatic markers, honey bee, 50 Hz

© 2023 Mateusz Plotnik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Dose level in experimental group

Average value of selected biochemical markers in the hemolymph of worker bees after the first and seventh day after extermination

Parole chiave
biochemical markers, electromagnetic field, enzymatic markers, honey bee, 50 Hz