TABLE 3.

Results of ISH lung tissues showing the anatomical location where P. multocida was detected by probe pmhyb449

Tissue source	Bacteria detection ina
	Chicken after an infection period (h) of:			Pigb
	12	24	48
Bronchi	++	−	−	+c
Parabronchi	++	++	−	++
Interstitium spaces	+	−	−	+
Smooth muscles	−	−	+	+
Infundibulum spaces	+	+	+	NAd
Air capillaries or alveoli spaces	+++	++	+	+++
Air capillaries or alveolar septa	+++	++	+	+++
Pleura	+	−	+	−
Vascular areas	+	+	−	−

^a−, no bacteria detected;+, few bacteria detected; ++, moderate number of bacteria detected; +++, many bacteria detected. 

^bBacteria were injected into pig lung postmortem. 

^cFrom bronchiole lumen. 

^dNA, not applicable.