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Articles by A.R. Karami
Total Records ( 2 ) for A.R. Karami
  M.H. Movassagh Ghazani , A.R. Karami , A.R. Ahmadzadeh and J. Dolgharisharaf
  The Ascites syndrome is the primary cause of death for rapidly growing broiler strains, resulting in economic loss. The experiment carried out on male broilers to study the relation between the incidence rate of ascites syndrome and the ventilation factor in the northwest region of Iran. In this study, seven poultry houses which did not have standard ventilation conditions were selected. Then the ventilation conditions were improved by changing the inlet speed of the fan. The standard ventilation rate for the broilers in summer and winter is 4 and 0.7 m3 h-1 kg-1 body weight, respectively. There were significant (p<0.05) changes in the incidence rate of ascites syndrome and FCR between before and after the correction of ventilation conditions. During this study all other factors were fixed.
  H. Aghdam Shahryar , A.R. Lotfi , M. Bahojb and A.R. Karami
  In this study, the effects of exposure to a 950MHz electromagnetic field (EMF) emitted from cellular phones on serum testosterone and cortisol hormones rate of adult male Syrian Hamster were evaluated. Seventy two male Hamster in 3 groups include: group 1 or control group, group 2 or expose for 10 days and under 950 MHz EMF (emitted from Cellular Phone) for 1 h daily group 3 or expose for 50 days and under 950 MHz EMF for 1 h daily. In final, blood samples collected for determine of the testosterone and cortisol concentration in the serum. Results showed that in long term exposure EMF (group 3) testosterone and cortisol levels were increased (p<0.01), but both of cortisol and testosterone hormones in short term EMF exposure (group 2) did not significantly change. In conclusion, long-term exposure of cellular phones EMF may affect the reproductive activity and impair endocrine homeostasis and it may cause peripheral effects.
 
 
 
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