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Information on sensitivity and specificity, in particular, is needed in order to critically evaluate apparent prevalence data. Finally, simplicity and cost aspects are crucial for their large-scale application in farming conditions.

Work carried out during the period 2006-2010

• Development of a detection system for respiratory diseases in young cattle based on the measurement of ruminal temperature using bolus measurements (Timsit et al., 2010, in press)
• Evaluation of a scoring grid for the severity of radiographic limb injuries in foals
• Evaluation of a real-time rT-PCR for the detection of bovine respiratory syncytial visus 
• Effect of age on the response to serological and faecal tests for Mycobacterium avium subsp paratuberculosis in goats 
• Evaluation of different tests (ELISA, PCR) applied to different matrices (milk, blood, mixed milk) at individual and herd level for the detection of Coxiella burnetii. 

 Current Projects

Ongoing projects include :

Assessing the informational value of simple or combined tools to determine the status of an animal or herd with respect to a disease or pathogen. The objects of application are currently :

•  Digital dermatitis (contact : Raphael Guatteo)
•  S. uberis mastitis (contact : Nathalie Bareille)
•  Partuberculosis (Contact : Alain Joly)
•  Subacute Acidosis of the Dairy Cow
•  Parasitism in cattle (UMT link Axis 1-3) (Contact : Alain Chauvin)

Evaluation of non-specific surveillance/monitoring systems for the early detection of diseases at different scales (herd, region), by developing adapted statistical models. The application objects are currently :

•  The health status of cattle in a broad sense (Contact : Henri Seegers)
•  The CFO virus (Contact : Carole Peroz)