Archives of Animal Nutrition, ( ISI ), Volume (71), No (2), Year (2017-2) , Pages (134-149)

Title : ( Selenium-methionine and chromium-methionine supplementation of sheep around parturition: impacts on dam and offspring performance )

Authors: Amir Mousaie , Reza Valizadeh , Mahmod CHamsaz ,

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Abstract

ABSTRACT To examine the effects of maternal energy restriction along with selenium-methionine (Se-Met) and chromium-methionine (Cr-Met) supplementation on performance of pregnant sheep and their offspring, the following treatments were allotted randomly to 40 multiparous Baluchi ewes (53.9 ± 1.15 kg of body weight [BW]) from 5 weeks prior to 5 weeks after parturition: (1) Control diet (60% and 100% of NRC energy requirements in pre- and postpartum, respectively); (2) Control diet plus 5 mg Se-Met/kg dry matter (DM); (3) Control diet plus 3 mg Cr-Met/kg DM and (4) Control diet plus 5 mg Se-Met and 3 mg Cr-Met/kg DM (Se–Cr- Met) of concentrate diet. The results indicated that Cr-Met alone or in combination with Se-Met increased average DM intake of ewes. In addition, Group Cr-Met had higher average BW than the Control (p < 0.05). Se-Met and/or Cr-Met supplementation led to decreased average serum cholesterol of the ewes (p < 0.05). Groups Cr-Met and Se–Cr-Met displayed decreased average serum malondialdehyde compared to the Control (p < 0.05). At 24 h post-partum, Group Se–Cr-Met had a greater serum Se content than the Control (p = 0.006). Compared with the Control, the Se concentration in milk was significantly increased from 30 to 138 μg/l and 197 μg/l in Groups Se-Met and Se–Cr-Met, respectively (p < 0.01), which proved that Se-Met supplementation can increase the Se concentration of ewe milk. Furthermore, feeding Cr-Met may attenuate BW loss post-partum and Se-Met and/or Cr- Met supplements may ameliorate oxidative stress condition in ewes around parturition.

Keywords

Baluchi (sheep breed); chromium; ewe feeding; milk; organic compounds; oxidative stress; performance; selenium
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@article{paperid:1065766,
author = {Mousaie, Amir and Valizadeh, Reza and CHamsaz, Mahmod},
title = {Selenium-methionine and chromium-methionine supplementation of sheep around parturition: impacts on dam and offspring performance},
journal = {Archives of Animal Nutrition},
year = {2017},
volume = {71},
number = {2},
month = {February},
issn = {1745-039X},
pages = {134--149},
numpages = {15},
keywords = {Baluchi (sheep breed); chromium; ewe feeding; milk; organic compounds; oxidative stress; performance; selenium},
}

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%0 Journal Article
%T Selenium-methionine and chromium-methionine supplementation of sheep around parturition: impacts on dam and offspring performance
%A Mousaie, Amir
%A Valizadeh, Reza
%A CHamsaz, Mahmod
%J Archives of Animal Nutrition
%@ 1745-039X
%D 2017

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