Abstract
ABSTRACTThe effect of combining probiotics (Lactobacillus plantarum and Lactobacillus fermentum) with flaxseed (a source of n-3 PUFAs) on the lipid metabolism and long-chain fatty acid profile of conventional piglets after weaning was studied. The levels of total lipids and high-density lipoproteins cholesterol decreased from Day 7 post-weaning, whereas levels of low-density lipoproteins cholesterol, total cholesterol and triglycerides did not change significantly in piglets with supplemented diet. The levels of alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) increased seven days post-weaning; however, the levels of dihomogamma-linolenic acid and arachidonic acid (AA) were lower and linoleic acid (LA) higher in synbioticsfed piglets compared with controls. This study demonstrates the efficacy of conversion of ALA to EPA and DHA, where delta-6-desaturase was predominantly used for n-3 polyunsaturated fatty acid synthesis from ALA at the expense of n-6 PUFAs from LA, which caused rapid increase in EPA/AA ratio on Day 14 after weaning. Combination of probiotic cheese and flaxseed is a good dietary supplement for piglets before weaning, helping them to adapt to change in diet more easily by regulating changes in lipid metabolism and vitality, and reducing the likelihood of chronic diseases.
Highlights
Nutritional, environmental and immune challenges associated with weaning may lead to considerable economic losses to pork producers
The effect of synbiotics supplementation on lipid metabolism in pigs is still little known; the aim of our study was to investigate the effect of L. plantarum – BiocenolTM LP96 (CCM 7512) and Lactobacillus fermentum-BiocenolTM LF99 (CCM 7514) in combination with flaxseed as a source of n-3 polyunsaturated fatty acids (PUFAs) on the lipid metabolism and fatty acid profile of conventional piglets originating from problem breed
The level of HDL cholesterol was higher in the experimental group by 40% (p < .01) on the weaning day compared to the control group, which could be affected by the combination of high lipid content in the sow’s milk (Eliasson & Isberg 2011) with the diet rich in lipids (Table 2)
Summary
Nutritional, environmental and immune challenges associated with weaning may lead to considerable economic losses to pork producers. Weaning is generally characterized by decreased voluntary feed intake, altered gut integrity and increased concentrations of inflammatory cytokines in blood. Such nutritional and physiological abnormalities often result in diarrhoea and depression of growth in newly weaned piglets. Lactobacillus plantarum is a plant-associated lactic acid bacterium that has been found in human, murine, chicken and porcine gastrointestinal tract (Khonyoung & Yamauchi 2012; Brajdes & Vizireanu 2013) and shows antagonistic properties against potential intestinal pathogens (De Vries et al 2006; Loh et al 2013)
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