SPECIAL STORY FEED & ADDITIVE MAGAZINE September 2023 75 Piglets' Plasm Vitamin E 44 mg/kg Vitamin E 250 mg/kg P α-tocopherol (µg/l} lgG (g/I} lgA (g/I) T-AOC (IU/ml) GSH-Px (mmol/I) CAT (U/ml) 3.88 0.44 0.33 6.82 621.69 7.38 5.29 0.49 0.36 7.65 651.34 8.78 <0.01 <0.05 <0.05 <0.05 n.s <0.05 Table 1. Effect of vitamin E in sows’ diet (last week of gestation and lactation) improved a-tocopherol concentration, immunoglobulin concentration and antioxidant capacity in piglets’ plasma (Source: Wang et al., 2017) Vitamin levels (unit/kg feed) Danish standart OVN™ A, IU D3, IU HyD, µg C, mg E, mg B1, mg B2, mg B6, mg K3, mg Niacin, mg Folic Acid, mg D-Pantothenic acid, mg 6,250 750 - - 150 3 6 4.5 4.8 30 - 15 15,000 - 50 150 150 5 15 8 6 55 2.5 45 Table 2. Vitamin supplementation level in 7 to 30 kg piglets’ diet (Source: Poulsen and Krogsdahl, 2018) Figure 3. Effect of 25OHD3 (HyD®) in sows’ gestation and lactation diet on bone mineral content and bone strength parameters of pre-weaning piglets (Source: Zhang et al., 2019) P value 0.016 <0.0001 0.0003 <0.0001 <0.0001 OVN™ 0.89 566 1.58 1.72 103.5 Entire trial period Feed intake, FUgp/pig/day Daily gain, g FCR, FUgp/kg gain Production value Index 0.88 551 1.60 1.67 100 Table 3. Effect of OVN™ levels on performance of 7 to 30 kg piglets’ (Source: Poulsen and Krogsdahl, 2018) Danish standard FUgp: Danish feed units for weaners, growers and finishers • Production Value = (Growth Value – Feed Costs)/Feed Days • Growth Value = Growth in Trial * FU/kg Gain * Price/FU • Feed Costs = (Weight Out – Weight In) * FU/kg Gain * Price /FU • Unit: kr./pig/day • Feed Price: 5 years average
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