Factor | Bednorz_2013_InJoofMeMi (10360)

Zinc Use

Swine | Weaners

4

Description

Feed was supplemented with zinc at 50 mg/kg (referent), and 2500 mg/kg (exposed). The zinc level was adjusted by supplementation of corn starch with analytical grade zinc oxide. E. coli was isolated from ileum and colon digesta post-euthanasia.

Resistance Outcomes

Resistance Microbe Outcome
Ampicillin
/
Escherichia coli
See: Table 1 AMR+ (n) AMR- (n) Total (n)
High Dose Zinc Supplementation 5 11
Background Dose Zinc Supplementation 5 12
Tetracycline
/
Escherichia coli
See: Table 1 AMR+ (n) AMR- (n) Total (n)
High Dose Zinc Supplementation 8 11
Background Dose Zinc Supplementation 3 12
See Gene Column tet(A) (ARO:3000165)
/
Escherichia coli
See: Table 1 AMR+ (n) AMR- (n) Total (n)
High Dose Zinc Supplementation 5 11
Background Dose Zinc Supplementation 3 12
See Gene Column tet(B) (ARO:3000166)
/
Escherichia coli
See: Table 1 AMR+ (n) AMR- (n) Total (n)
High Dose Zinc Supplementation 3 11
Background Dose Zinc Supplementation 0 12