Effectiveness of selected premilking teat-cleaning regimes in reducing teat microbial load on commercial dairy farms

Effectiveness of selected premilking teat-cleaning regimes in reducing teat microbial load on commercial dairy farms

To determine the effectiveness of premilking teat-cleaning regimes in reducing the teat microbial load and effect on milk quality. The effectiveness of several premilking teat-cleaning regimes in reducing teat microbial load was assessed using 40 cows on each of the four commercial UK dairy farms wi...

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Bibliographic Details
Published in:Letters in applied microbiology Vol. 46; no. 3; pp. 295 - 300
Main Authors: Gibson, H, Sinclair, L.A, Brizuela, C.M, Worton, H.L, Protheroe, R.G
Format: Journal Article
Language:English
Published: Oxford, UK Oxford, UK : Blackwell Publishing Ltd 01-03-2008
Blackwell Publishing Ltd
Blackwell Science
Subjects:
Animals
Biological and medical sciences
Cattle
Chlorine - administration & dosage
Colony Count, Microbial
dairy hygiene
Dairying - methods
Disinfectants - administration & dosage
Disinfection - methods
Female
Fundamental and applied biological sciences. Psychology
Hypochlorous Acid - administration & dosage
Iodine - administration & dosage
Mammary Glands, Animal - microbiology
Microbiology
Milk - microbiology
milk quality
premilking
teat bacterial load
teat cleaning
dairy hygiene
Load
Applied microbiology
milk quality
Cleaning
premilking
Infection
Quality
Bacteriosis
Bacteria
teat bacterial load
Microorganism
Hygiene
teat cleaning
Milk
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Summary:To determine the effectiveness of premilking teat-cleaning regimes in reducing the teat microbial load and effect on milk quality. The effectiveness of several premilking teat-cleaning regimes in reducing teat microbial load was assessed using 40 cows on each of the four commercial UK dairy farms with herringbone parlours during two sampling periods. In the first experiment, all the treatments reduced teat total viable count (TVC), but there was no significant difference between the hypochlorite wash and dry wipe, iodine dip and dry and alcohol-medicated wipe or dry wipe alone. In the second experiment, the chlorine wash and dry wipe was significantly more effective in reducing teat TVC than a water wash and dry, chlorine dip and dry or a dry wipe. There was no relationship between cleaning regime and milk TVC, Enterobacteriaceae or Escherichia coli levels. All of the cleaning techniques studied reduced teat microbial load, however, the chlorine wash and dry was the most effective. The premilking teat-cleaning techniques studied reduced the teat microbial load and therefore reduced the potential for milk contamination; however, a wash including an effective disinfectant followed by a dry wipe was the most effective.
Bibliography:http://dx.doi.org/10.1111/j.1472-765X.2007.02308.x
ISSN:0266-8254
1472-765X
DOI:10.1111/j.1472-765X.2007.02308.x