The discovery of peptides, enzymes, and other gene products that confer antibiotic resistance could give clues to how it develops.

Amid concerns that the use of antibiotics may contribute to drug resistance, sales for use in livestock rose in recent years.

Unsure of the origins of a rogue crop found on an Oregon farm, the US Department of Agriculture is following up on a second issue related to genetically engineered wheat.

Most drug manufacturers agree to follow the Food and Drug Administration’s new labeling guidelines for antibiotics used in farm animals.

A new analysis of government studies on animal feed uncovers widespread use of antibiotics, some of which pose risks to human health.

Residents surrounding strongly smelling hog farms experience higher blood pressure levels as the stench worsens.

Plant pests are evolving to outsmart common herbicides, costing farmers crops and money.

Researchers find evidence of illegal use of antibiotics in poultry products.

Low-dose antibiotics in animal feed fuel drug-resistance in human infectious diseases.

Antibiotic resistant bacteria keep their protective genes, even when antibiotics are no longer given.