Surveillance of Aflatoxin and Microbiota Related to Brewer's Grain Destined for Swine Feed in Argentina

Table 4

Aflatoxin B₁ production by Aspergillus section Flavi strains isolated from brewer’s grain.

Sampling (days)	Positive strains*	%	Aflatoxin B1 (μg g^−1)^†
			Range	Mean level ± SD^‡
0	50/56	89.3	0.6–26.5	5.0±3.6
7	61/80	76.3	0.2–32.1	4.9±3.7

*Number of producer strains versus total strains.
^†Minor and major levels of AFB₁.
^‡Mean level of AFB₁ ± standard deviation (SD).