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Probiotics and manipulation of rumen development and function

V Kmet1, H J Flint, R J Wallace

  • 1Institute of Animal Physiology, Slovak Academy of Sciences, Kosice, CSFR.

Archiv Fur Tierernahrung
|January 1, 1993
PubMed
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Bacterial and fungal probiotics enhance rumen development and function in young ruminants. Yeast and Aspergillus species improve feed intake, weight gain, and alter rumen fermentation, benefiting livestock productivity.

Area of Science:

  • Rumen microbiology
  • Animal nutrition
  • Probiotics

Background:

  • Bacterial and fungal probiotics effectively modulate rumen development and function.
  • Streptococcus bovis preparations increase adherent bacteria and alpha amylase activity in young ruminants.
  • Fungal probiotics like Saccharomyces cerevisiae and Aspergillus oryzae are recognized for improving adult ruminant productivity.

Purpose of the Study:

  • To investigate the complementary role of fungal probiotics alongside bacterial probiotics in young animals.
  • To evaluate the impact of dietary yeast and Aspergillus foetidus on calf and lamb performance and rumen fermentation.

Main Methods:

  • Administration of adherent Streptococcus bovis preparations to young ruminants.
  • Supplementation with fungal probiotics (Saccharomyces cerevisiae, Aspergillus oryzae, Aspergillus foetidus) in diets.

Related Experiment Videos

  • Measurement of rumen wall characteristics, feed intake, live weight gain, and rumen fermentation parameters.

    • Main Results:

    • Streptococcus bovis increased adherent bacteria and alpha amylase activity in the rumen wall.
    • Dietary yeast improved feed intake and live weight gain in calves and lambs.
    • Aspergillus foetidus altered rumen fermentation in newly weaned lambs.

    Conclusions:

    • Bacterial and fungal probiotics play significant roles in young ruminant development and function.
    • Fungal probiotics offer a complementary strategy to bacterial probiotics for enhancing performance and rumen health in young livestock.
    • Specific fungal species demonstrate efficacy in improving growth and modifying rumen fermentation patterns.