may have for introduction and spread of CSFV (Farez and
Morley, 1997). These factors include; the likely level of
viral contamination within a product, how long the
pathogen may survive within the product under the
conditions to which it is exposed, what is the likelihood
that a susceptible animal will ingest a contaminated
product and, finally, how much product needs to be
ingested to instigate an infection