Plasma concentrations of thyroxine in dairy cows exposed to 60 Hz electric and magnetic fields

Bioelectromagnetics

Volumn 27, Issue 7, 2006, Pages 553-559

  Burchard, Javier F ^a,c   Nguyen, Duc Hai ^b   Rodriguez, Maria ^a  

^a MCGILL UNIVERSITY   (Canada)

^b HYDRO QUÉBEC   (Canada)

^c MCGILL UNIVERSITY   (Canada)

Author keywords

Blood thyroxine; Dairy cattle; ELF field; Power loop field

Indexed keywords

BLOOD; MAGNETIC FIELD EFFECTS;

BLOOD SAMPLES; BLOOD THYROXINE; DAIRY CATTLES; ELECTRIC AND MAGNETIC FIELDS; ELF FIELD; EXPOSED TO; GROUP OF EIGHTS; PLASMA CONCENTRATION; POWER; POWER LOOP FIELD;

ANIMALS;

THYROXINE;

ANIMAL EXPERIMENT; ARTICLE; BLOOD ANALYSIS; BLOOD SAMPLING; CONTROLLED STUDY; DAIRY CATTLE; ELECTRIC FIELD; ESTRUS CYCLE; FEMALE; LIGHT DARK CYCLE; MAGNETIC FIELD; NONHUMAN; PRIORITY JOURNAL; RADIATION EXPOSURE; STATISTICAL ANALYSIS; THYROXINE BLOOD LEVEL; TREATMENT PLANNING;

ANIMALIA; BOS TAURUS;

EID: 33749331658     PISSN: 01978462     EISSN: 1521186X     Source Type: Journal    
DOI: 10.1002/bem.20253     Document Type: Article

References (50)

1. Baishya N, Hart IC, Leaver JD, Pope GS. 1996. Possible roles for prolactin, thyroxine and insulin in the growth of heifers before and during early pregnancy. Br Vet J 152:709-717.
2. Baltaci AK, Mogulkoc R, Kul A, Bediz CS, Ugur A. 2004. Opposite effects of zinc and melatonin on thyroid hormones in rat. Toxicology 195:69-75.
3. Ben-Saad MM, Maurel DL. 2004. Reciprocal interaction between seasonal testis and thyroid activity in zembra island wild rabbits (oryctolagus cuniculus): Effects of castration, thyroidectomy, temperature, and photoperiod. Biol Reprod 70:1001-1009.
4. Blaszczyk B, Udala J, Gaczarzewicz D. 2004. Changes in estradiol, progesterone, melatonin, prolactin and thyroxine concentrations in blood plasma of goats following induced estrus in and outside the natural breeding season. Small Rumin Res 51:209-219.
5. Burchard JF, Nguyen DH, Richard L, Block E. 1996. Biological effects of 60 Hz of electric and magnetic fields on productivity of dairy cattle. J Dairy Sci 79:1549-1554.
6. Burchard JF, Nguyen DH, Block E. 1998a. Progesterone concentrations during estrous cycle of dairy cows exposed to electric and magnetic fields. Bioelectromagnetics 19:438-443.
7. Burchard JF, Nguyen DH, Block E. 1998b. Effects of electric and magnetic fields on nocturnal melatonin concentrations in dairy cows. J Dairy Sci 8:22-727.
8. Burchard JF, Nguyen DH, Richard L, Block E. 1999. Macro- and trace element concentrations in blood plasma and cerebrospinal fluid of dairy cows exposed to electric and magnetic fields. Bioelectromagnetics 20:358-364.
9. Burchard JF, Monardes GH, Nguyen DH. 2003. Effects of a 10-kV, 30 μT, 60-Hz electromagnetic field on milk production and feed intake in non-pregnant dairy cattle. Bioelectromagnetics 24:57-563.
10. Burchard JF, Nguyen DH, Monardes HG, Petittclerc D. 2004. Lack of effect of 10 kV/m 60 Hz AC electric field exposure on pregnant dairy heifers hormones. Bioelectromagnetics 25:308-312.
11. Capen CC, Martin SL. 2003. The thyroid gland. In: Pineda MH, Dooley MP, editors. McDonald's veterinary endocrinology and reproduction. 5th edition, pp 35-70.
12. CCAC. 1984. Guide to the use and care of experimental animals Vol. 1 Ottawa: Canadian Council of Animal Care.
13. Champney TH. 2001. Reductions in hamster serum thyroxine levels by melatonin are not altered by changes in serum testosterone. Gen Comp Endocrinol 123:21-126.
14. Ciccioli NH, Wettemann RP, Spicer LJ, Lents CA, White FJ, Keisler DH. 2003. Influence of body condition at calving and postpartum nutrition and endocrine function and reproductive performance of primiparous beef cows. J Anim Sci 81:107-3120.
15. Contreras PA, Phil M, Wittwer F, Ruiz V, Robles A, Bröhmwald H. 1999. Blood values of thyroxine and triiodothyronine in grazing Friesian cows. Arch med vet 31:205-210.
16. Cooke PS, Holsberger DR, Witorsch RJ, Sylvester PW, Meredith JM, Treinen KA, Chapin RE. 2004. Thyroid hormone, glucocorticoids, and prolactin at the nexus of physiology, reproduction, and toxicology. Toxicol Appl Pharmacol 194:309-335.
17. Davis SR, Gluckman PD, Hart IC, Henderson HV. 1987. Effects of injecting growth hormone or thyroxine on milk production and blood plasma concentrations of insulin-like growth factors I and II in dairy cows. J Endocrinol 114:17-24.
18. Dönmez N, Karaca F, Belge F, Ates CT. 2004. The effects of melatonin application on some haematological parameters and thyroid hormones and testosterone in male goats, non-breeding season. Veterinarsky arhiv 74:281-287.
19. Genin F, Schilling A, Claustrat B. 2003. Melatonin and methimazole mimic short-day-induced fattening in gray mouse lemurs. Physiol Behav 79:553-559.
20. Johnson HD, Li R, Manalu W, Spencer-Johnson KJ. 1991. Effects of somatotropin on milk yield and physiological responses during summer farm and hot laboratory conditions. J Dair Sci 74:1250-1262.
21. Karsch FJ, Dahl GE, Hachigian TM, Thrun LA. 1995. Involvement of thyroid hormones in seasonal reproduction. [Review] J Reprod Fert Suppl 49:409-422.
22. Kaune WT, Forsythe WC. 1988. Current densities induced in swine and rat models by power-frequency electric fields. Bioelectromagnetics 9:1-24.
23. Kaune WT, Gillis MF. 1981. General properties of the interaction between animals and ELF electric fields. Bioelectromagnetics 2:1-11.
24. Lafreniere GF, Persinger MA. 1979. Thyroid morphology and activity does not respond to ELF electromagnetic field exposures. Experientia 35:561-562.
25. Lee JM Jr, Stormshak F, Thompson JM, Hess DL, Foster DL. 1995. Melatonin and puberty in female lambs exposed to EMF: A replicate study. Bioelectromagnetics 16:119-124.
26. Litell RC, Henry PR, Ammerman CB. 1998. Statistical analysis of repeated measures data using SAS procedures. J Anim Sci 76:1216-1231.
27. Lucas LH, Jr. 1957. Design and analysis of feeding experiments with milking dairy cattle. Chapter 13. Monograph #18. Institute of statistics, Raleigh, North Carolina: North Caroline State University.
28. Matavulj M, Rajkovic V, Uscebrka G, Gudovic R, Stevanovic D, Blazetic B. 1996. Stuctural and stereological analysis of rat thyroid gland after exposure to an electromagnetic field. Acta Veterinaria (Belgrade) 46:285-292.
29. Miller DL. 1996. Miniature-probe measurements of electric fields induced by a 60-hz magnetic field in rats. Bioelectromagnetics 17:167-173.
30. Miller DL, Creim JA. 1997. Comparison of cardiac and 60 Hz magnetically induced electric fields measured in anesthetized rats. Biolectromagnetics 18:317-323.
31. Nguyen DH, Richard L, Burchard J. 2005. Exposure chamber for determining the biological effects of electric and magnetic fields on dairy cows. Bioelectromagnetics 26:138-144.
32. NRC. 1989. Nutrient requirements of dairy cattle. 6th rev. edition. Washington, DC: Nat Acad Sci.
33. Oki C, Atkinson S. 2004. Diurnal patterns of cortisol and thyroid hormones in the Herbor seal (Phoca vitulina) during summer and winter seasons. Gen Comp Endocr 136:289-297.
34. Oman SD, Seiden E. 1988. Switch-back designs. Biometrika 75:81-89.
35. Parkinson TJ, Follett BK. 1994. Effect of thyroidectomy upon seasonality in rams. J Reprod Fert 10:51-58.
36. Raijkovic V, Matavulj M, Gledic D, Lazetic B. 2003. Evolution of the rat thyroid gland morphophysiological state after three months exposure to 50 Hz electromagnetic field. Tissue Cell 35:223-231.
37. Rodriguez M, Petitclerc D, Nguyen DH, Block E, Burchard JF. 2002. Effect of electric and magnetic fields (60 Hz) on production, and levels of growth hormone and insulin-like growth factor 1 in lactating, pregnant cows subjected to short days. J Dairy Sci 85:2843-2849.
38. Rodriguez M, Petitclerc D, Burchard JF, Nguyen DH, Block E, Downey BR. 2003. Responses of the estrous cycle in dairy cows exposed to electric and magnetic fields (60 Hz) during 8-h photoperiods. Anim Repr Sci 77:11-20.
39. Rodriguez M, Petitclerc D, Burchard JF, Nguyen DH, Block E.. 2004. Blood melatonin and prolactin concentrations in dairy cows exposed to 60 Hz electric and magnetic fields during eight-hour photoperiods. Bioelectromagnetics 25:505-508.
40. Rodriguez-Arnao J, Miell JP, Ross RJM. 1993. Influence of thyroid hormones on the GH-IGF-I axis. TEM 4:169-173.
41. Rosa HJD, Bryant MJ. 2003. Seasonality of reproduction in the sheep. Small Ruminant Res 48:155-171.
42. Ryg M, Jacobsen E. 1982. Effects of thyroid hormones and prolactin in food intake and weight changes in young male rein deer rangifer-tarandus- tarandus. Can J Zool 60:1562-1567.
43. Sakamoto S, Nakamura K, Inoue K. 2000. Melatonin stimulates thyroid-stimulating hormone accumulation in the thyrotropes of the rat pars tuberalis. Histochem Cell Biol 114:213-218.
44. SAS/STAT Software. 1996. SAS Institute, Cry, NC.
45. Selmaoui B, Lambrozo J, Touitou Y. 1997. Endocrine functions in young men exposed for one night to a 50-Hz magnetic field, a circadian study of pituitary, thyroid and adrenocortical hormones. Life Sci 61:473-486.
46. 4 secretions in Polwarth-Ideal rams. Small Rum Res 46:1-5.
47. Spicer LJ, Alonso J, Chamberlain CS. 2001. Effects of thyroid hormones on bovine granulose and thecal cell function in vitro: Dependence on insulin and gonadotropins. J Dairy Sci 84:1069-1076.
48. Tenforde TS. 1989. Electroreception and magnetoreception in simple and complex organisms. Bioelectromagnetics 10:215-222.
49. Thrift TA, Bernal A, Lewis AW, Neuendorff DA, Willard CC, Randel RD. 1999. Effects of induced hypothyroidism on wheight gains, lactation, and reproductive performance of primiparous Brahman cows. J Anim Sci 77:1844-1850.
50. Woldanska-Okonska M, Czernicki J. 2003. Effect of low frequency pulsating magnetic fields used in magnetotherapy and magnetostimulation on thyroid gland hormones in humans. Med Pr 54:335-339.