Skip to main content

Table 2 Effect of selected agricultural byproducts containing anacardic acid and other phenolics on rumen microbial abundance determined by quantitative PCR

From: Use of Asian selected agricultural byproducts to modulate rumen microbes and fermentation

Byproduct Main compound involved Tested by Dosed at Abundance of rumen microbe, relative % to total bacteria Reference
Pro Meth Fu Fs Rf Ra Me Sr Sd Tb Sb Pr Pb Rm Al
Cashew shell Anacardic acid RUSITEC 0.2 mg/mL a ns - ns ns ns [21]
Feeding (dry cow) 0.32% of DMI nsa ns - ns - - - - [22]
Feeding (milking cow) 0.33% of DMI - ns ns ns ns ns ns ns ns ns ns ns ns ns Shinkai et al. unpublished
Feeding (sheep) 0.32% of DMI a - - ns ns ns ns ns ns ns ns ns ns ns ns Suzuki et al. unpublished
Ginkgo fruit Anacardic acid Batch culture, culivar A 3.2 mg/mL - - ns ns ns ns ns ns Oh et al. unpublished
Batch culture, cultivar B 4.5 mg/mL - - ns ns ns ns ns ns ns ns ibid.
RUSITEC, cultivar A 3.2 mg/mL ns ibid.
Ginkgo leaf Unspecified Batch culture 1.0 mg/mLb - - - - - - - - - - [30]
  1. Pro protozoa, Meth methanogen, Fu fungi, Fs Fibrobacter succinogenes, Rf Ruminococcus flavefaciens, Ra Ruminococcus albus, Me Megasphaera elsdenii, Sr Selenomonas ruminantium, Sd Succinovibrio dextrinosolvens, Tb Treponema bryantii, Sb Streptococcus bovis, Pr Prevotella ruminicola, Pb Prevotella bryantii, Rm Ruminobacter amylophilus, Al Anaerovibrio lipolytica
  2. -, No data available
  3. ns, Not significantly changed
  4. ↑, Significantly increased
  5. ↓, Significantly decreased
  6. aValue were obtained by direct counting
  7. bg of extract/mL (not calculable as original leaf)