Changes in faecal bacteria and metabolic parameters in foals during the first six weeks of life

Kuhl, J.; Winterhoff, N.; Wulf M., M.; Schweigert, F.J.; Schwendenwein, I.; Bruckmaier, R.M.; Aurich, J.E.; Kutzer, P.; Aurich, C. (2011). Changes in faecal bacteria and metabolic parameters in foals during the first six weeks of life. Veterinary microbiology, 151(3-4), pp. 321-8. Amsterdam: Elsevier 10.1016/j.vetmic.2011.03.017

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Many foals develop diarrhoea within the first two weeks of life which has been suggested to coincide with postpartum oestrus in their dams. To analyse the pathogenesis of this diarrhoea we have determined faecal bacteria in foals and their dams (n=30 each), and serum IGF-1 and gamma-globulins for 6 weeks after birth. In addition, effects of beta-carotene supplementation to mares (group 1: 1000 mg/day, n=15, group 2: control, n=15) on diarrhoea in foals were studied. Diarrhoea occurred in 92 and 79% of foals in groups 1 and 2, respectively, but was not correlated with oestrus in mares. Beta-carotene supplementation was without effect on foal diarrhoea. In mares, bacterial flora remained stable. The percentage of foals with cultures positive for E. coli was low at birth but increased within one day, the percentage positive for Enterococcus sp. was low for 10 days and for Streptococcus sp. and Staphylococcus sp. was low for 2-4 weeks. By 4 weeks of age, bacterial flora in foals resembled an adult pattern. Concentration of serum IGF-1 was low at birth (group 1: 149 +/- 11, group 2: 166 +/- 17ng/ml), increased after day 1 (day 7 group 1: 384 +/- 30, group 2: 372 +/- 36) but at no time differed between groups. Serum gamma-globulin concentration in foals was low before colostrum intake and highest on day 1 (p<0.001 over time). In conclusion, neonatal diarrhoea in foals does not coincide with postpartum oestrus in their dams but with changes in intestinal bacteria and is not influenced by beta-carotene supplementation given to mares.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Veterinary Physiology

UniBE Contributor:

Bruckmaier, Rupert

ISSN:

0378-1135

Publisher:

Elsevier

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:32

Last Modified:

12 Dec 2018 09:17

Publisher DOI:

10.1016/j.vetmic.2011.03.017

Web of Science ID:

000293428400014

URI:

https://boris.unibe.ch/id/eprint/12245 (FactScience: 218557)

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