Table 2.

Examples of bacterial counts in separated manure solids.

Units (log 10 colony forming units)	Total bacterial count	Coliforms	Gram -ve bacteria	Bacillus spp.	Environmental streptococci	Staphylococci	E. coli	Klebsiella	Bacillus cereus spores	MAS	Reference
per g	6–8	2–4			5–8						Timms (2008a)
per g		2–3	4–5		4–5						Timms (2008b)
per g	8.3–9.1				6.6		4.4–5.5	3.1–4.2			Feiken and van Laarhoven (2012)
per g									2.3	6.7	Driehuis et al. (2013)
per mL		4.1		6.5	6.4	3.0					Husfeldt and Endres (2012)*
per mL			4.5–4.7		4.3–5.4	0–0.3	0.3–1.7	1.7–2.0			Harrison et al. (2008)

MAS, mesophilic aerobic spore formers.

Less frequently found: Bacillus spp. (Husfeldt et al., 2012), enterococci (Zähner et al., 2009), Enterobacteriaceae (Carroll, Jasper, 1978, Zähner et al, 2009), propionic acid bacteria (Zähner et al., 2009), and Proteus spp. (Harrison et al., 2008).

^*Peer reviewed paper.