Table 3 Events in the national screening and eradication program for Mycoplasma hyopneumoniae (Mhyo in the Norwegian pig population
Year | Important events |
|---|---|
1992 | Initial eradication attempts successfully performed in four farrow-to-finnish herds |
1994–1997 | Screening and eradication of Mhyo in nucleus and multiplier herds |
1997 | The farmer-owned abattoirs initiate a project for trading high-health feeder piglets. |
1998 | All nucleus and multiplier herds free from Mhyo by the end of the year. Regional eradication of Mhyo in commercial herds is initiated in counties with low herd prevalence of Mhyo (Vestfold, Telemark, Buskerud and Trøndelag). |
1999 | A premium of 14% is introduced for high-health feeder piglets documented free from Mhyo, toxinproducing Pasteurella multocida, Sarcoptes scabiei and Brachyspira hyodysenteriae in both private end farmer-owned abbatoirs. |
2000 | National eradication program with the aim of freedom from Mhyo in the entire pig population by the end of 2005 is decided. |
2001 | Action plan with the aim of known Mhyo status in all sow herds before the end of 2002 is decided. |
2002 | Mycoplasma project Rogaland is initiated. |
2004 | All herds in 9 of 18 counties free from Mhyo (Table 1) Large multiplier herd in Rogaland reinfected. |
2006 | A deduction of 100 NOK per finisher pig slaughtered from herds not yet declared free from Mhyo is implemented by all abattoirs. All sow herds tested free from Mhyo by the end of the year. |
2007 | Retesting of all sow herds in Rogaland county. October: New reinfection in the multiplier herd in Rogaland including five contact herds. |
2008 | Retesting of all pig herds in Rogaland. April: A sow pool system tested positive, eradication performed by total depopulation and repopulated with pigs from herds documented free from Mhyo |
2009 | First year without any Mhyo positive samples National surveillance program for Mhyo is initiated |