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- Title
PSVII-13 The effects of maternal dietary supplementation of cholecalciferol (vitamin D3) and 25(OH)D3 on sow and progeny vitamin D3 status.
- Authors
Thayer, Morgan T; Nelssen, Jim L; Langemeier, Austin J; Morton, Jodi M; Gonzalez, John M; Kruger, Stephanie R; Ou, Zhining; Makowski, Andrew J; Bergstrom, Jon R
- Abstract
A total of 69 sows (DNA Line 200 × 400) and their progeny were used to determine if feeding a combination of vitamin D3 and 25(OH)D3 influences neonatal and sow vitamin D3 status. Within 3 d of breeding, sows were allotted to 1 of 3 dietary treatments fortified with 1,500 IU/kg vitamin D3 (CON), 500 IU/kg vitamin D3 + 25 μg/kg 25(OH)D3 (DL), or 1,500 IU/kg vitamin D3 + 50 μg/kg 25(OH)D3 (DH). There were treatment × time interactions for sow and pig serum metabolites (P < 0.001). Therefore, treatment means were compared within time period. At all time periods, sow serum 25(OH)D3 concentrations differed for all treatments with the magnitude of difference largest at weaning (P < 0.011), where serum 25(OH)D3 concentration was always the greatest when sows were fed the DH diet. At birth, piglets from DH fed sows had greater serum 25(OH)D3 concentrations than piglets from sows fed the DL treatment (P = 0.003), with piglets from sows fed CON treatment not differing from either (P > 0.061). At weaning, serum concentrations of 25(OH)D3 in piglets from all sow treatments were different (P < 0.001), with the greatest concentration in piglets from DH sows, followed by CON, and followed by DL. There were no treatment × time interactions for any of the metabolites measured in milk and no main effects for 24,25(OH)2D3 concentration (P > 0.068). Colostrum collected within 12 h of parturition contained less (P = 0.001) 25(OH)D3 than milk collected on d 21 of lactation. Regardless of time, concentrations of 25(OH)D3 in milk were different (P < 0.030), with the largest 25(OH)D3 concentration from DH fed sows, followed by DL and then CON. In conclusion, combining vitamin D3 and 25(OH)D3 in the maternal diet improves the vitamin D3 status of the dam and progeny.
- Subjects
CHOLECALCIFEROL; SOWS; COLOSTRUM; PREGNANCY in animals; PIGLETS; LACTATION; TIME measurements
- Publication
Journal of Animal Science, 2019, Vol 97, p217
- ISSN
0021-8812
- Publication type
Article
- DOI
10.1093/jas/skz122.383