Abstract：
AIMS:To assess the efficacy of a β-galactomannan oligosaccharide (ß-GMOS) for the control of Salmonella infection in fattening pigs. METHODS AND RESULTS:Three different doses (0.5, 3 and 2 kg ß-GMOS per ton of feed) were used during the entire period of growing in three similar and independent field trials carried out in a small fattening unit (≈ 100 pigs). Treatment was randomly assigned to half of the pens. Individual serum samples (20-25 per group) were collected at different times during the fattening period and a similar number of faecal samples during the fattening period and at slaughter. In addition, mesenteric lymph nodes were collected at slaughter. Herdcheck(®) Swine Salmonella ELISA was used for serological analyses, the ISO 6579:2002/Amd 1 : 2007 for bacteriology and the PFGE for molecular characterization of Salmonella strains. The addition of ≥ 2 kg t(-1) of ß-GMOS to the pig diet during the entire fattening period was associated with a reduction in Salmonella prevalence, shedding and seroconversion. CONCLUSIONS:Feed supplementation with ß-GMOS may be a useful complementary tool for the control of salmonellosis in fattening pigs. SIGNIFICANCE AND IMPACT OF THE STUDY:ß-GMOS may be a complementary way of reducing Salmonella shedding and infection in fattening pigs.
journal_name
J Appl Microbioljournal_title
Journal of applied microbiologyauthors
Andrés-Barranco S,Vico JP,Grilló MJ,Mainar-Jaime RCdoi
10.1111/jam.12713subject
Has Abstractpub_date
2015-02-01 00:00:00pages
284-94issue
2eissn
1364-5072issn
1365-2672journal_volume
118pub_type
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