enzootic respiratory diseases in the growing-finishing pig and control

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Table 4 – Housing and herd management conditions which may be proposed for better control of enzooticrespiratory disorders in growing-finishing pigs raised on confined farrow-to-finish operations- Sow herd• excellent health status of replacement stock• adaptation phase (quarantine) for purchased replacement stock in comfortable accommodations• batch farrowing system• appropriate hygiene and air quality• in specific cases, segregated early weaning as far as permitted by regulation,adequate logistics needed- Post-weaning and finishing phases• all-in/all-out system ie only contemporary pigs (born from sows of the same batch) located in the same room• cleaning/disinfection in-between batches, empty pit below slatted floor• air quality : -NH3:
Level of respiratory disordersexpressionAmplification due to an“influenza” outbreakImpact of enzootic pbrecrudescence farm BFarm B (1)Backgroundnoise farm Bfarm AId.Farm A (2)TimeDuration of the problemFigure 1: Schematic general trend of respiratory disorders expression infarrow-to-finish farmsInterfering effect of enzootic and epizootic disorders(1) farm B: “heavy” background noise of respiratory disorders(2) farm A: “light”background noise of respiratory disordersgrowing-finishing pigs in confined intensive13
Page 5 and 6: infection pressure) in the differen
Page 7: - STRAW B., 1986. A look at the fac
Page 10 and 11: Table 2 - Gross lesions in pigs ino

enzootic respiratory diseases in the growing-finishing pig and control

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