<i >Dichelobacter nodosus</i>, footrot lesion, sheep

Dichelobacter nodosus, footrot lesion, sheep

Photomicrograph of a swab smear taken from a footrot lesion in a sheep demonstrating Dichelobacter nodosus organisms. Note classic swollen ends of the organism that is sometimes (as here) characteristically surrounded by adherent, unidentified gram-negative rods. Gram stain; original magnification, 40×.

Courtesy of Dr. John Prescott.