Swabs with extra long shafts and an enlarged absorbent head can be obtained from the Animal Health Trust.
Strategy to eradicate and prevent Strangles (STEPS): http://www.aht.org.uk/skins/Default/pdfs/steps.pdf.
Triplex qPCR for detection of S. equi:
ELISA blood test for detecting response to exposure to S. equi:
Contact: Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU (01638 552993).