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Anim Biosci > Accepted Articles
https://doi.org/10.5713/ab.22.0106    [Accepted] Published online June 30, 2022.
Effects of mixed selenium sources on the physiological responses and blood profiles of lactating sows and tissue concentration of their progeny
Cheon Soo Kim1  , Xing Hao Jin1  , Yoo Yong Kim1,* 
Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea
Correspondence:  Yoo Yong Kim, Tel: +82-2-880-4801, Fax: +82-2-878-5839, Email: yooykim@snu.ac.kr
Received: 16 March 2022   • Revised: 2 May 2022   • Accepted: 30 May 2022
Abstract
Objective
This study was conducted to investigate the effects of selenium benefits on the physiological responses, litter performance, blood profiles and milk composition of lactating sows and tissue concentration of their progeny when mixed form of selenium was provided in a lactation diet.
Methods
A total of 45 multiparous sows (Yorkshire × Landrace) with similar body weight (BW), backfat thickness (BF), and parity were assigned to one of three treatments with 15 sows per treatment in a completely randomized design (CRD). Organic and inorganic selenium were mixed and added to the diet at 0.15 ppm and 0.25 ppm, respectively. A non-Se-fortified corn–soybean meal basal diet served as a negative control. Treatments were as follows: 1) Control: corn-SBM based diet, 2) ISOS15: control + inorganic Se 0.15 ppm + organic Se 0.15 ppm, 3) ISOS25: control + inorganic Se 0.25 ppm + organic Se 0.25 ppm.
Results
Serum selenium concentrations of sows and piglets were increased by the supplemental Se mixture at 7 days of lactation compared with the control (p<0.01, respectively). The kidney and muscle selenium concentrations of piglets were increased by the supplemental Se mixture at 21 days of lactation compared with the control (p=0.03; p=0.04, respectively).

Conclusion

Consequently, supplementation with mixed inorganic and organic selenium in a lactating diet could improve the selenium status of sows and piglets; no differences were observed among the mixing levels.
Keywords: Piglets; Selenium; Serum; Sow; Sow Milk; Tissues


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