Effects of dietary yeast mannan-rich fraction supplementation on growth performance, intestinal morphology, and lymphoid tissue characteristics in weaned piglets challenged with Escherichia Coli F4

Effects of dietary yeast mannan-rich fraction supplementation on growth performance, intestinal morphology, and lymphoid tissue characteristics in weaned piglets challenged with Escherichia Coli F4

We evaluated the effects of supplementing yeast mannan-reach-fraction on growth performance, jejunal morphology and lymphoid tissue characteristics in weaned piglets challenged with E. Coli F4. A total of 20 crossbred piglets were used. At weaning, piglets were assigned at random to one of four grou...

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Published in:Tropical animal health and production Vol. 56; no. 5; p. 179
Main Authors: Raymundo, Djeison Lutier, Borges, Paula Caixeta, Barbosa, Kassia, Utiumi, Kiyoko Uemura, Varaschin, Mary Suzan, Leal, Diego Feitosa, Silva, Sudário Roberto, Resende, Maíra, Barbosa, Jessica Aparecida, de Souza Cantarelli, Vinícius
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-06-2024
Springer Nature B.V
Subjects:
Animal Husbandry
Animal welfare
Animals
Biomedical and Life Sciences
Cell proliferation
Diet
Dietary Supplements
E coli
Enterotoxigenic Escherichia coli
Escherichia coli Infections - veterinary
Follicles
Hogs
Ileum
Immune response
Jejunum - growth & development
Life Sciences
Livestock
Lymphoid cells
Lymphoid tissue
Lymphoid Tissue - physiology
Mannan
Mannans
Morphology
Nutrition
Physical characteristics
Regular Articles
Small intestine
Swine
Swine - growth & development
Swine - microbiology
Swine Diseases - microbiology
Veterinary Medicine/Veterinary Science
Weaning
Yeast
Yeasts
Zoology
Enterotoxigenic
Mannan oligosaccharide
Weanling pig
Growth
Immunity
Enterotoxigenic Escherichia coli
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Summary:We evaluated the effects of supplementing yeast mannan-reach-fraction on growth performance, jejunal morphology and lymphoid tissue characteristics in weaned piglets challenged with E. Coli F4. A total of 20 crossbred piglets were used. At weaning, piglets were assigned at random to one of four groups: piglets challenged and fed the basal diet supplemented with yeast mannan-rich fraction (C-MRF, n  = 5); piglets challenged and fed the basal diet (C-BD, n  = 5); piglets not challenged and fed the basal diet supplemented with yeast mannan-rich fraction (NC-MRF, n  = 5), and piglets not challenged and fed the basal diet (NC-BD). Each dietary treatment had five replicates. On days 4, 5 and 10, piglets were orally challenged with 10 8 CFU/mL of E. Coli F4. C-MRF piglets had higher BW ( p  = 0.002; interactive effect) than C-BD piglets. C-MRF piglets had higher ( p  = 0.02; interactive effect) ADG in comparison with C-BD piglets. C-MRF piglets had higher ( p  = 0.04; interactive effect) ADFI than C-BD piglets. The diameter of lymphoid follicles was larger ( p  = 0.010; interactive effect) in the tonsils of C-MRF piglets than C-BD piglets. Lymphoid cells proliferation was greater in the mesenteric lymphnodes and ileum ( p  = 0.04 and p  = 0.03, respectively) of C-MRF piglets. A reduction ( p  > 0.05) in E. Coli adherence in the ileum of piglets fed MRF was observed. In conclusion, the results of the present study demonstrate that dietary yeast mannan-rich fraction supplementation was effective in protecting weaned piglets against E. Coli F4 challenge.
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ISSN:0049-4747
1573-7438
1573-7438
DOI:10.1007/s11250-024-04033-8