Table 2. Salmonella contamination of feed ingredient samples1

Feed ingredient N2 % positive
Corn 19 5.26
Cottonseed meal 2 100
Soybean meal (47%) 10 10
Meat and bone meal 1 0
Wheat middling 24 4.17
Limestone 1 0
1 Source: Jones and Richardson(2004)
2 Number of assays.