Development of intestinal microflora and occurrence of diarrhoea in sucking foals: effects of Bacillus cereus var. toyoi supplementation

BackgroundAlmost all foals develop transient diarrhoea within the first weeks of life. Studies indicated different viral, bacterial, and parasitic causes, such as rotavirus, Clostridium perfringens, Escherichia coli, and Cryptosporidium are discussed. But little is known about the development of intestinal microflora in foals. The present study investigated whether the supplementation with Bacillus cereus var. toyoi would modify the developing intestinal microflora and consequently reduce diarrhoea in foals. From birth, the foals were randomly assigned to three treatment groups: placebo (10 mL isotonic NaCl, n = 8), low dosage (LD; 5 × 108 cfu B. cereus var. toyoi, n = 7) and high dosage (HD; 2 × 109 cfu B. cereus var. toyoi, n = 10). Treatment groups were supplemented orally once a day for 58 days. Faeces scoring and sampling were performed within the first 24 h after birth and on day 9, 16, 23, 30, 44, 58 of the foal’s life and also on the first day of diarrhoea. Culture-plate methods were used to analyse the bacterial microflora.ResultsEighty-eight per cent of the foals developed diarrhoea (placebo 7/8, LD 5/7, HD 10/10) during the first 58 days of life. Bacillus cereus var. toyoi supplementation had no effect on bacterial microflora. Clostridium perfringens and enterobacteria were equally prevalent in foals with diarrhoea and those who were not afflicted.ConclusionsWe conclude that the supplementation of B. cereus var. toyoi had no effect on the occurrence of diarrhoea and health status in the foals.

• Publication year

  2015

• Venue

  BMC Veterinary Research

• Publication date

  2015-02-14

• Fields of study

  Agricultural and Food Sciences, Medicine, Biology

• Identifiers
  DOI 10.1186/s12917-015-0355-3PMID 25889817PMCID 4333172
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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