Page 253 of articles about health
Preliminary study of Porcine circovirus type 2 and Torque teno sus virus coinfection frequencies in Brazilian pig herds
The Western Canada PRRS-Free Herd Certification Pilot Project has been a success
African Swine Fever virus uses macropinocytosis to enter host cells

Effect of the viraemia due to the porcine circovirus type 2 (PCV2) on production parameters
The most effective way of avoiding the production losses associated with the PCV2 consists in avoiding the appearance of the viraemia by inducing a passive or an active immunity that minimizes the circulation of the virus in the farm.