TABLE 4.

Plasmid transfer from B. anthracis to B. thuringiensis and B. cereus strains

Donor	Recipient strain	Transfer rate (CFU/donor) in milk (95% confidence interval)
KBa63002R	B. thuringiensis GBJ001	3.8 × 10−4 (1.2 × 10−5-6.8 × 10−4)
	B. cereus F3502/73S	2.3 × 10−4 (9.5 × 10−5-7.1 × 10−4)
	B. cereus MADM1279S	4.9 × 10−5 (2.0 × 10−5-6.9 × 10−5)
	B. cereus AND1309S	3.2 × 10−5 (9.1 × 10−6-4.6 × 10−5)
KBa63605R	B. thuringiensis GBJ001	6.5 × 10−4 (8.3 × 10−5-9.4 × 10−4)
	B. cereus F3502/73S	3.1 × 10−4 (9.5 × 10−5-6.2 × 10−4)
	B. cereus MADM1279S	5.6 × 10−5 (1.2 × 10−5-8.6 × 10−5)
	B. cereus AND1309S	4.7 × 10−5 (0.7 × 10−5-6.8 × 10−5)