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aSummary of the results from 13 published studies from 1989 to 2012 that were not included in previous reviews [12, 13] and reported on supplemental dietary lipids in lactating sows diets
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bEstimated means represented by bars show the improvement of lipid supplementation relative to lactation diets containing no added lipids. Variables reported include: average daily energy intake (ADEI), sow body weight (BW) change, and litter daily gain
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cReferences are presented in chronological order
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dn refers to the number of observations per treatment and was used as the weighing factor to calculate the average of the response
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eLipid sources: choice white grease (CWG), animal-vegetable blend (A-V blend), and medium chain triglycerides (MCT)
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fWeighted averages were calculated to account for the different sample sizes in each of the studies
- *P < 0.05