Heat treatment and false-positive heartworm antigen testing in ex vivo parasites and dogs naturally infected by Dirofilaria repens and Angiostrongylus vasorum

Table 7 Results of serological testing before and after heat treatment in Dirofilaria repens- naturally infected dogs

Dog Code	Before/ After Heat Tx	SNAP® HTWM	SNAP® 4Dx® Plus	Witness®	Speed Diro™	PetChek®	DiroCHEK®
G	B	0	0	+	0	0	+
G	A	++	+	++	+	++	++
GN	B	0	0	0	0	0	0
GN	A	++	+	++	++	++	+++
LU	B	0	0	0	0	0	0
LU	A	+	+	+	+	+	+
BR	B	0	0	+	0	0	+
BR	A	++	+	+++	+	+	+++

ISSN: 1756-3305

Dog Code	Before/ After Heat Tx	SNAP® HTWM	SNAP® 4Dx® Plus	Witness®	Speed Diro™	PetChek®	DiroCHEK®
G	B	0	0	+	0	0	+
G	A	++	+	++	+	++	++
GN	B	0	0	0	0	0	0
GN	A	++	+	++	++	++	+++
LU	B	0	0	0	0	0	0
LU	A	+	+	+	+	+	+
BR	B	0	0	+	0	0	+
BR	A	++	+	+++	+	+	+++

Dog Code	Before/ After Heat Tx	SNAP® HTWM	SNAP® 4Dx® Plus	Witness®	Speed Diro™	PetChek®	DiroCHEK®
G	B	0	0	+	0	0	+
G	A	++	+	++	+	++	++
GN	B	0	0	0	0	0	0
GN	A	++	+	++	++	++	+++
LU	B	0	0	0	0	0	0
LU	A	+	+	+	+	+	+
BR	B	0	0	+	0	0	+
BR	A	++	+	+++	+	+	+++

Dog Code	Before/ After Heat Tx	SNAP® HTWM	SNAP® 4Dx® Plus	Witness®	Speed Diro™	PetChek®	DiroCHEK®
G	B	0	0	+	0	0	+
G	A	++	+	++	+	++	++
GN	B	0	0	0	0	0	0
GN	A	++	+	++	++	++	+++
LU	B	0	0	0	0	0	0
LU	A	+	+	+	+	+	+
BR	B	0	0	+	0	0	+
BR	A	++	+	+++	+	+	+++