TY  - JOUR
T1  - Study of Relationship Between Selenium-Dependent Glutathione Peroxidase and Retained Placenta in Dairy Cows
AU - Mosaferi, S. AU - Khatamino, P. AU - Ostadi, Z. AU - Jalili, T. AU - Davasaztabrizi, A. AU - Kaveh, A. 
JO  - Research Journal of Biological Sciences
VL  - 8
IS  - 5
SP  - 119
EP  - 123
PY  - 2013
DA  - 2001/08/19
SN  - 1815-8846
DO  - rjbsci.2013.119.123
UR  - https://makhillpublications.co/view-article.php?doi=rjbsci.2013.119.123
KW  - Placenta
KW  -GPX
KW  -dairy cows
KW  -diseases
KW  -selenium
KW  -Iran
AB  - Retained placenta (after birth of calves) in cattle (especially 
  dairy) is seen in comparison with other animals. Typically, placenta of cows 
  should be expelled within 24 h after delivery. If whole or some part of the 
  placenta remained after birth for a longer time, it is considered a pathological 
  or abnormal condition. Remaining part of the placenta is more common and most 
  commonly involved parts are the pregnant ovaries. The frequency of retained 
  placenta in cattle herds is 7-10% in normal condition. The purpose of this study 
  is to inspect a metabolic parameter with the retained placenta rate. Researchers 
  measured activity of glutathione peroxidase enzyme dependent to selenium in 
  blood samples of healthy cows and remained placenta cows. After statistical 
  analyzing, it was seen that difference between activity levels mean of GPX enzyme 
  dependent to selenium in healthy cows is significantly more than placenta remained 
  cows (p<0.0001). The average level of selenium-dependent GPX in healthy cows 
  is 73/78 u/g Hb and its in placenta remained cows is 58/25 u/g Hb. According 
  to the lack of other pathogenic and mechanical factors that cause placental 
  retention in this study and absence of other disease and consider to providing 
  enough proteins in these cows, researchers can suppose that the activity level 
  of GPX enzyme in blood samples in direct relation to selenium amount. Although, 
  researchers can say in the absence of pathogen factors, increasing placenta 
  retention rate shows metabolic deficit and here vitamin E and selenium has the 
  main role.
ER  -