Clifton-Hadley, F A Monitoring herds for Streptococcus suis type 2 by sampling tonsils of slaughter pigs. [electronic resource] - The Veterinary record Dec 1984 - 562-4 p. digital Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0042-4900 Standard No.: 10.1136/vr.115.22.562 doi Subjects--Topical Terms: Animal Husbandry--methodsAnimalsCarrier State--epidemiologyFemaleMeningitis--etiologyPalatine Tonsil--microbiologyStreptococcal Infections--epidemiologyStreptococcus--isolation & purificationSwineSwine Diseases--epidemiologyUnited Kingdom