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https://doi.org/10.5713/ab.22.0204    [Accepted] Published online September 2, 2022.
Effects of β-glucan and vitamin E diet supplementation on the physiological response, litter performance, blood profiles, immune response, and milk composition of lactating sows
Tae Wook Goh1  , Jinsu Hong1,2  , Hong Jun Kim1  , Sun Woo Kang1  , Yoo Yong Kim1,* 
1Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
2Department of Animal Science, South Dakota State University, Brookings, SD 57006, United States
Correspondence:  Yoo Yong Kim, Tel: +82-2-878-5838, Fax: +82-2-878-5839, Email: yooykim@snu.ac.kr
Received: 25 May 2022   • Revised: 18 June 2022   • Accepted: 26 July 2022
Abstract
Objective
This study was conducted to evaluate the effects of β-glucan and vitamin E diet supplementation on the physiological response, litter performance, blood profiles, immune response, and milk composition of lactating sows.
Methods
A total of 50 multiparous F1 sows (Yorkshire × Landrace) with an average body weight (BW) of 233.6 ± 4.30 kg and an average parity of 4.00 ± 0.307 and their litters were used in this experiment. All sows were allotted one of five treatments, taking into consideration BW, backfat thickness, and parity in a completely randomized design with 10 replicates. The experimental diets included a corn–soybean meal-based basal diet with or without 0.1% or 0.2% β-glucan and 110 IU vitamin E/kg diet.
Results
All treatments added with β-glucan or vitamin E were statistically higher in the average daily feed intake (ADFI) measurement of lactating sows compared to those of the control (Diet, p<0.01). Additionally, the ADFI of lactating sows was significantly higher in the groups supplemented with 0.1% β-glucan compared to 0.2% β-glucan (BG, p<0.01). There was an increasing trend in piglet weight at weaning (BG, p=0.07), litter weight at the 21st day of lactation (BG, p=0.07) and litter weight gain (BG, p=0.08) in groups supplemented with 0.1% β-glucan. The addition of 110 IU vitamin E/kg diet increased vitamin E concentration significantly in lactating sows (VE, p<0.01) and exhibited a trend for higher concentrations of vitamin E (VE, p=0.09) in piglets. Adding 0.1% β-glucan compared to 0.2% β-glucan induced a decrease in the concentration of TNF-α in lactating sows (BG, p=0.06) and in piglets (BG, p=0.09) on the 21st day of lactation. There were no significant differences in the milk composition of sows.
Conclusion
Adding 0.1% β-glucan and 110 IU vitamin E/kg to a lactating sow’s diet was beneficial to the growth performance of piglets by leading to an increase in the feed intake of sows and efficiently supplying vitamin E to both the sows and piglets.
Keywords: β-Glucan; Lactating Sow; Piglet; Piglet Growth Performance; Vitamin E


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