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Memorias de investigación
Research Publications in journals:
The use of soft faeces for the prediction of the caecal contents concentration of Clostridium perfringens in relation with epizootic rabbit enteropathy
Year:2009
Research Areas
  • Animal production
Information
Abstract
Two experiments were conducted to investigate the use of Clostridium perfringens concentration in soft faeces (CPsf) as predictor of Clostridium perfringens proliferation in the caecal contents (CPc) and the development of epizootic rabbit enteropathy (ERE). In Exp. 1, forty-four rabbits weaned at 28 or 42 days of age were used. Animals were fed a common commercial diet, not supplemented with antibiotics, and housed in pairs in flat-deck cages. Nine days after weaning, rabbits were fitted neck plastic collars during four hours (from 08:00 to 12:00 a.m.). Afterwards, they were slaughtered and both their soft faeces excretion and caecal contents were sampled in order to determine the concentration (cfu/g) of Clostridium perfringens. In Exp. 2, thirty-eight rabbits weaned at 31 days of age, followed the same procedure to determine the evolution of Clostridium perfringens counts in soft faeces at 34, 38, 41, 45 and 48 days of age. A total of fifteen animals (five in Exp. 1 and ten in Exp. 2) showed ERE symptoms, such as low body weight, aqueous diarrhoea and mucus excretion. In both experiments, diseased animals presented a greater (P < 0.001) concentration of Clostridium perfringens in gut samples than healthy animals. A regression analysis performed in Exp. 1 showed a significant correlation (R2 = 0.66; P < 0.001) between CPsf and CPc concentrations measured for each rabbit. The regression model also included a significant effect of age at weaning (P < 0.001), as enumeration of CPc was higher in animals weaned at 28 than at 42 days of age. Weight gain decreased (P = 0.06) in Exp. 2 with concentration of CPsf, especially (P = 0.03) in older animals, whereas the presence of ERE symptoms impaired growth and increased weight variability at each age.
International
Si
JCR
Si
Title
SPANISH JOURNAL OF AGRICULTURAL RESEARCH
ISBN
1695-971X
Impact factor JCR
0,388
Impact info
Volume
7
Journal number
0
From page
807
To page
812
Month
ENERO
Ranking
Participants
  • Autor: Nuria Nicodemus Martin (UPM)
  • Autor: Juan Carlos de Blas Beorlegui (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Producción Animal
  • Departamento: Producción Animal
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