Coliform contaminated bedding and new infections.
Ten Holstein cows were bedded on fresh, uncured sawdust seeded with coliform broth culture. Escherichia coli concentrations were maintained at 10(6) colony-forming units/g for the 4-wk experimental period. Ten control cows were bedded with dry shavings. The elevated bacterial contamination caused an increase in contamination of teat ends; however, no new coliform infections occurred.
D000818:Animals; D002415:Cats; D002417:Cattle; D004926:Escherichia coli / Q000302:isolation & purification; D004927:Escherichia coli Infections / Q000209:etiology / Q000662:veterinary*; D005260:Female; D006799:Housing, Animal; D007774:Lactation; D008321:Mammary Glands, Animal / Q000382:microbiology; D008414:Mastitis, Bovine / Q000209:etiology*; D011247:Pregnancy