DNA	Deoxyribonucleic acid
CL	Caseous lymphadenitis
CMNR	Corynebacterium, Mycobacterium, Nocardia, and Rhodococcus group
C.N.A.M.	Colistin nalidixic acid modified
HCCA	α-cyano-4-hydroxycinnamic acid
HE	Hematoxylin-eosin
PCR	Polymerase chain reaction
IZS	Experimental Zooprophylactic Institute
IU	International unit
MALDI-TOF MS	Matrix-assisted laser desorption/ionization time-of-flight Mass Spectrometry
PAS	Periodic acid—Schiff
QH	Quarter Horse
rRNA	Ribosomal ribonucleic Acid