scholarly journals The Effects of Magnesium Supplementation on Subjective Anxiety and Stress—A Systematic Review

Nutrients ◽  
2017 ◽  
Vol 9 (5) ◽  
pp. 429 ◽  
Author(s):  
◽  
◽  
Keyword(s):  
Systematic Review ◽  
Magnesium Supplementation

scholarly journals Is Magnesium Supplementation an Effective Nutritional Method to Reduce Stress in Domestic Pigs? A Systematic Review

2021 ◽  
Vol 7 ◽  
Author(s):  
Emily V. Bushby ◽  
Louise Dye ◽  
Lisa M. Collins
Keyword(s):  
Systematic Review ◽  
Beneficial Effect ◽  
Stressful Events ◽  
Aggressive Behaviors ◽  
Magnesium Supplementation ◽  
Pig Production ◽  
Domestic Pigs ◽  
Beneficial Effects ◽  
Dietary Magnesium ◽  
Reducing Stress

In commercial pig production, stressful events are common and can have detrimental impacts on the pig's health and welfare, as well as on the performance of the farm. Supplementary magnesium may reduce stress, and subsequent harmful and aggressive behaviors, that occur during stressful events, such as regrouping. However, reports on the efficacy of this treatment are mixed. We aimed to systematically review the studies in which magnesium was given to pigs to examine the effects on measures of stress. Of the 16 studies included in the final corpus, 10 reported at least one statistically significant beneficial effect of supplementary magnesium on reducing stress. However, two studies found that magnesium significantly increased stress suggesting supplementary dietary magnesium may be harmful in some cases. Overall, there are a limited number of studies investigating the possible effect of magnesium on reducing stress in pigs, and although results were varied, the majority found beneficial effects of supplementary magnesium.

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