Vitamin E and selenium status of pigs fed DDGS diets and relationship to Mulberry Heart Disease

.......................................................................................................................................... 3 Introduction .................................................................................................................................... 4 Objective ......................................................................................................................................... 5 Procedures ...................................................................................................................................... 5 Animals and Management ...................................................................................................... 5 Dietary Treatments ................................................................................................................. 5 Diet Composition and DDGS Source ....................................................................................... 6 Data Collection ........................................................................................................................ 6 Sample Collection ................................................................................................................... 6 Laboratory Analysis ..................................................................................................................... 7 Feed Samples .......................................................................................................................... 7 Milk, Liver, and Serum Samples .............................................................................................. 7 Statistical Analysis ....................................................................................................................... 7 Results and Discussion .................................................................................................................... 8 Sow and Litter Performance ....................................................................................................... 8 Nursery Pig Performance ............................................................................................................ 8 Sow Vitamin E and Selenium Status ........................................................................................... 8 Pig Metabolic Oxidation Status ................................................................................................... 9 Nursing Period ........................................................................................................................ 9 Post‐weaning Period ............................................................................................................... 9 Summary of Implications .............................................................................................................. 10 Table 1. Composition of sow diets ................................................................................................ 11 Table 2. Composition of nursery diets .......................................................................................... 12 Table 3. Main effects of sow diet and nursery diet on growth performance .............................. 13 Table 4. The effect of sow diet on α‐tocopherol and elenium in sow serum and milk ................ 14 Table 5. The effect of sow diet on α‐tocopherol, selenium, glutathione peroxidase, and TBARS in nursing pigs ................................................................................................................................... 15 Table 6. Effect of sow diet x nursery diet over time on serum α‐tocopherol, selenium and TBARS of nursery pigs ............................................................................................................................... 17 Table 7. Effect of sow diet and nursery diet on serum amino acids and liver α‐tocopherol, selenium, and glutathione content of nursery pigs ...................................................................... 18 Literature Cited ............................................................................................................................. 19