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Related Experiment Videos

Bacterial counts associated with recycled newspaper bedding.

J S Hogan1, K L Smith, D A Todhunter

  • 1Department of Dairy Science, Ohio State University, Wooster 44691.

Journal of Dairy Science
|July 1, 1990
PubMed
Summary
This summary is machine-generated.

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Recycled newspaper bedding for dairy cows did not reduce bacterial exposure compared to wood shavings or pelleted corn cobs. Bacterial counts on teats and bedding were correlated, indicating no advantage for newspaper in mastitis prevention.

Area of Science:

  • Animal Science
  • Microbiology
  • Dairy Husbandry

Background:

  • Mastitis is a significant concern in dairy herds, impacting animal health and milk production.
  • Bedding materials play a crucial role in the environmental exposure of dairy cows to mastitis pathogens.
  • Evaluating alternative bedding materials like recycled newspaper is important for improving udder health management.

Purpose of the Study:

  • To compare bacterial counts in different bedding materials (recycled newspaper, wood shavings, pelleted corn cobs) used for lactating dairy cows.
  • To assess the correlation between bedding bacterial counts and teat swab bacterial counts.
  • To determine if recycled newspaper offers an advantage over other materials in reducing pathogen exposure.

Main Methods:

  • Bacterial counts (gram-negative, coliform, streptococcal, staphylococcal) were quantified in samples of recycled newspaper, wood shavings, and pelleted corn cobs.

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  • Teat swabs were collected from lactating dairy cows bedded on different materials, and bacterial counts were determined.
  • Statistical analysis was performed to compare bacterial loads and assess correlations.

    • Main Results:

    • Pelleted corn cobs and chopped newspaper had similar gram-negative bacterial, coliform, and streptococcal counts, but pelleted corn cobs had higher staphylococcal counts.
    • Chopped newspaper had higher gram-negative bacterial, coliform, and staphylococcal counts than wood shavings.
    • Teat swab counts for gram-negative bacteria, coliforms, Klebsiella, and staphylococci were higher from cows on pelleted corn cobs than chopped newspaper.

    Conclusions:

    • Recycled newspaper bedding did not demonstrate an advantage over pelleted corn cobs or wood shavings in reducing environmental mastitis pathogen exposure.
    • Bacterial counts in bedding materials were correlated with teat swab counts, highlighting the importance of bedding hygiene.
    • Further research may be needed to explore modifications or combinations of bedding materials for optimal udder health in dairy cows.