Table 2.
Distribution of the main protozoal groups in different protozoal fractions obtained from holotrich-monofaunated sheep or from totally faunated sheep
Fraction (pore size in μm) |
|||||||||
---|---|---|---|---|---|---|---|---|---|
80 | 60 | 45 | 35 | 20 | 5 | < 5 | SED | P-value | |
Holotrich-monofaunated | |||||||||
Total protozoa, log cells mL−1 | 4.70a | 5.61b | 0.242 | 0.013 | |||||
Isotricha sp., % | 98.0a | 3.0b | 2.68 | < 0.001 | |||||
Dasytricha sp., % | 2.0b | 97.0a | 2.68 | < 0.001 | |||||
Free-living prokaryotes, OD600 nm* | 0.01b | 0.02a | 0.004 | 0.007 | |||||
Totally faunated | |||||||||
Total protozoa, log cells mL−1 | 4.28c | 5.32b | 5.30b | 5.46b | 6.30a | 6.06a | 3.84d | 0.149 | < 0.001 |
Large Diplodiniinae, % | 74.5a | 51.4b | 18.4c | 0.8d | ND | ND | ND | 5.23 | < 0.001 |
Isotricha sp., % | 16.1b | 37.3a | 36.6a | 20.5b | 3.6c | 1.2c | ND | 5.38 | < 0.001 |
Epidinium sp., % | 2.9b | 6.0b | 27.3a | 33.9a | 10.3b | ND | ND | 3.72 | < 0.001 |
Small Diplodiniinae, % | 4.5d | 4.3d | 16.6c | 38.5a | 31.2b | 0.9d | ND | 3.30 | < 0.001 |
Dasytricha sp., % | 0.9b | 0.3b | 0.1b | 3.9b | 17.0a | 3.6b | 0.5b | 2.49 | < 0.001 |
Entodinium sp., % | 1.1c | 0.7c | 1.1c | 2.6c | 37.9b | 94.2a | 99.5a | 5.84 | < 0.001 |
Free-living prokaryotes, OD600 nm* | 0.01b | 0.01b | 0.01b | 0.00b | 0.02b | 0.01b | 0.31a | 0.024 | < 0.001 |
Within a row, numbers with different superscripts differ (P < 0.05).
ND, not detected.
OD600 nm; Optical density at 600 nm of the supernatant after protozoal sedimentation. This indicates the abundance of free-living prokaryotes/archaea.