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Peer-reviewedCC BY-NCJournal of animal science and technology

Nutritional strategies using synbiotics and organic acids to enhance piglet post-weaning growth and gut health.

  • Su Hyup Lee1
  • Sunbong Choi2
  • Young Bin Park3
  • Hyun-Jun Jang2
  • Soyeon Park2
  • Yangseon Kim2
  • Jin-Ki Park1
  • Sung Ho Lee3
  • Dong Wook Kim1
  1. 1Department of Livestock, Korea National University of Agriculture and Fisheries, Jeonju, Korea.
  2. 2Department of Research and Development, Center for Industrialization of Agricultural and Livestock Microorganisms, Jeongeup, Korea.
  3. 3Woogene B&G Co., Ltd., Hwaseong, Korea.
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Abstract

This study aimed to evaluate the effects of dietary supplementation with probiotics (PRO), synbiotics (SYN), and SYN + benzoic acid (SYP) on growth performance, stress response, nutrient digestibility, blood parameters, immune status, and intestinal health of weanling pigs. Four hundred weaned pigs (Landrace × Yorkshire × Duroc) were allocated to four treatment groups: control (basal diet), PRO (Bacillus licheniformis), SYN (Bacillus licheniformis + dietary fiber), and SYP. The feeding trial lasted for 28 days. Notably, pigs in the SYN and SYP groups showed greater average daily gain during phase 1 (p = 0.038), phase 2 (p = 0.008), and the overall period (p = 0.011) compared with those in the control group. Gain-to-feed ratio was also improved during phase 2 (p = 0.003) and the overall experimental period (p = 0.012). The SYP group demonstrated significantly improved dry matter digestibility during phase 2 (p < 0.05). Serum IL-1β concentrations tended to decrease in pigs fed SYN and SYP diets. In addition, SYN and SYP supplementation increased the concentration of the tight junction protein zona occludens-1 (ZO-1) in the jejunum (p = 0.022). Histological analysis showed greater villus height in the duodenum (p = 0.013) and jejunum (p = 0.038) of pigs fed SYN and SYP diets. Overall, dietary supplementation with synbiotics, particularly in combination with benzoic acid, improved growth performance and intestinal health in weanling pigs.

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Cite

BibTeXRIS
BibTeX
@article{lee2026nutritional,
  title = {{Nutritional strategies using synbiotics and organic acids to enhance piglet post-weaning growth and gut health.}},
  author = {Su Hyup Lee and Sunbong Choi and Young Bin Park and Hyun-Jun Jang and Soyeon Park and Yangseon Kim and Jin-Ki Park and Sung Ho Lee and Dong Wook Kim},
  journal = {Journal of animal science and technology},
  year = {2026},
  month = sep,
  doi = {10.5187/jast.2500456},
  url = {https://europepmc.org/article/MED/42898589},
  note = {CC BY-NC},
}
RIS
TY  - JOUR
TI  - Nutritional strategies using synbiotics and organic acids to enhance piglet post-weaning growth and gut health.
AU  - Su Hyup Lee
AU  - Sunbong Choi
AU  - Young Bin Park
AU  - Hyun-Jun Jang
AU  - Soyeon Park
AU  - Yangseon Kim
AU  - Jin-Ki Park
AU  - Sung Ho Lee
AU  - Dong Wook Kim
PY  - 2026
DA  - 2026/09/30
JO  - Journal of animal science and technology
DO  - 10.5187/jast.2500456
UR  - https://europepmc.org/article/MED/42898589
AB  - This study aimed to evaluate the effects of dietary supplementation with probiotics (PRO), synbiotics (SYN), and SYN + benzoic acid (SYP) on growth performance, stress response, nutrient digestibility, blood parameters, immune status, and intestinal health of weanling pigs. Four hundred weaned pigs (Landrace × Yorkshire × Duroc) were allocated to four treatment groups: control (basal diet), PRO (Bacillus licheniformis), SYN (Bacillus licheniformis + dietary fiber), and SYP. The feeding trial lasted for 28 days. Notably, pigs in the SYN and SYP groups showed greater average daily gain during phase 1 (p = 0.038), phase 2 (p = 0.008), and the overall period (p = 0.011) compared with those in the control group. Gain-to-feed ratio was also improved during phase 2 (p = 0.003) and the overall experimental period (p = 0.012). The SYP group demonstrated significantly improved dry matter digestibility during phase 2 (p < 0.05). Serum IL-1β concentrations tended to decrease in pigs fed SYN and SYP diets. In addition, SYN and SYP supplementation increased the concentration of the tight junction protein zona occludens-1 (ZO-1) in the jejunum (p = 0.022). Histological analysis showed greater villus height in the duodenum (p = 0.013) and jejunum (p = 0.038) of pigs fed SYN and SYP diets. Overall, dietary supplementation with synbiotics, particularly in combination with benzoic acid, improved growth performance and intestinal health in weanling pigs.
SN  - 2055-0391
ER  -