Table 3 Effects of different rosemary supplements on select rumen microbial groups (log₁₀ rrs copies/g)

Total Bacteria

11.03

11.01

10.89

11.01

0.06

0.1994

Archaea

8.86^a

8.69^b

8.64^b

8.80^a

0.05

<0.001

Protozoa

8.26^ab

7.71^b

7.97^b

8.75^a

0.15

<0.001

Prevotella spp.

9.92^a

9.68^b

9.72^b

9.90^a

0.12

<0.01

Fibrobacter succinogenes

6.86^b

6.90^ab

6.88^b

7.00^a

0.11

<0.001

Ruminococcus albus

7.62^a

7.67^a

7.27^b

7.64^a

0.16

<0.001

Ruminococcus flavefaciens

7.40^ab

7.59^a

7.59^a

7.43^ab

0.16

<0.05

Clostridium aminophilum

7.05^a

7.16^a

6.62^b

7.11^a

0.37

<0.001