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Effect of additional vitamin E and zinc supplementation on immunological changes in peripartum Sahiwal cows

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Title Effect of additional vitamin E and zinc supplementation on immunological changes in peripartum Sahiwal cows
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Creator G. Chandra1 , A. Aggarwal1 , M. Kumar2 , A. K. Singh1 , V. K. Sharma3 and R. C. Upadhyay
 
Subject peripartum, dairy cows, vitamin E, zinc
 
Description Not Available
This study was conducted to exploit ameliorative effect of additional vitamin E and/or zinc supplementation on
immune response of peripartum Sahiwal cows. Thirty-two pregnant dry Sahiwal cows were blocked into four
treatment groups (n = 8), namely control, zinc (Zn), vitamin E (Vit E) and zinc + vitamin E (Zn + Vit E). Feed ing regimen was same in all the groups except that the Sahiwal cows in the zinc-, vitamin E- and zinc + vitamin
E-fed groups were additionally supplemented with 60 mg Zn/kg DM, 1000 IU vitamin E and 60 mg/kg + 1000
IU Zn + vitamin E, respectively, from day 60 pre-partum to day 90 post-partum. Blood samples were collected
on days 60, 45, 30, 15, 7, 3, 0, 3, 7, 15, 30, 45, 60, 90 and 120 with respect to day of parturition and
analysed for total immunoglobulin (TIG), immunoglobulin G (IgG), interleukin-2 (IL-2), vitamin E (Vit E) and
zinc (Zn) status. Before calving, cows showed a decrease in plasma TIG, IgG, IL-2, Vit E and Zn levels. However,
increased levels of plasma TIG, IgG, IL-2, Vit E and Zn were observed after calving. After calving, Sahiwal cows
supplemented with Zn + Vit E had higher plasma TIG, IgG and IL-2 in comparison with cows of control and
Zn + Vit E-fed groups. In the present study, plasma vitamin E level was higher in Vit E-fed and Zn + Vit E-fed
cows; however, zinc level was higher in Zn- and Zn + Vit E-supplemented cows. In conclusion, a reduced
immune response during peripartum period in Sahiwal cows was ameliorated by dietary vitamin E and zinc
supplementation.
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Date 2021-07-31T10:14:19Z
2021-07-31T10:14:19Z
2014-03-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/51713
 
Language English
 
Relation Not Available;
 
Publisher Not Available