Monitoring herds for Streptococcus suis type 2: chance contamination of slaughter pigs.
D000818:Animals; D002353:Carrier State; D008460:Meat; D013290:Streptococcal Infections / Q000517:prevention & control / Q000635:transmission / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control* / Q000635:transmission