Research Article

Fungi and Mycotoxins in Feed Intended for Sows at Different Reproductive Stages in Argentina

Table 2

Fungal counts (CFU/g) from raw materials and finished feed at different reproductive stages in DRBC and DG18 culture media.

Culture mediaSampling periodFungal counts (CFU/g)* Media ± SD
Milled maizeSoybeanSowNonpregnant giltPregnant gilt

DRBCMay6.7×104±4×1034.5  ×102  ±8×1021×104  ±5×1032×104±6×1035.9×104±4×103
June9.7×104±5×103<1×1022×104±6×1035×104±7×1034×104±1×104
July1.5×104±6×103<1×1022.2×104±7×1034×104±3×1034.1×104±4×103
August2.3×105±7×1056×102±2×1021.9×104±1.4×1032.5×104±2.8×1033.9×104±4.2×103
September2.9×105±9×1033×102±1×1021.4×105±5.6×1042.6×104±2.8×1042.3×105±2.8×104

DG18May1.4×104±7×1038.5×102±9×1021×104±4×1031.5×104±3×1036.7×104±2.1×104
June8×104±1.3×104<1×1021.5×104±5×1032×104±6×1031.3×104±5.3×104
July1×104±9×1035×102±1×1021.7×104±6×1032.5×104±8×1035.4×104±4×103
August1.3×105±2.1×1041×103±1×1022×104  ±2.1×1032.9×104±1.1×1043.8×104±3.5×103
September1.5×105±2.5×1049×102±2×1025.9×105±4.9×1033.1×104±1.1×1043.9×105±7.8×104

Detection limit: 1× 102 CFU g-1. Maximum recommended level: 1 × 104 CFU g-1 [16].
DRBC: dichloran rose bengal chloranphenicol. DG18: dichloran glycerol 18%.