Bi-plate: Blood Agar MacConkey Agar

Major Mastitis Pathogens Isolation

Selective Media - Triplate (blood agar/TKT agar/MacConkey agar)

Coliform Infections

Escherchia coli (E. coli)

Blood agar: large colonies (Grey, moist), Gram-negative rods, not hemolytic

MacConkey agar: lactose positive (pink, dry, flat colonies) pink zone of ppt in agar

Klebsiella species

Blood agar: large colonies (Grey, mucoid), Gram-negative rods, not hemolytic

MacConkey agar: lactose positive (pink, mucoid) pink center "fish eye" appearance

Tri-plate: Blood Agar, TKT agar MacConkey Agar

No Growth