Table 2 Open in new tab Distribution of...

	Fraction (pore size in μm)	SED	P-value
Holotrich-monofaunated
Total protozoa, log cells mL⁻¹		4.70^a			5.61^b			0.242	0.013
Isotricha sp., %		98.0^a			3.0^b			2.68	< 0.001
Dasytricha sp., %		2.0^b			97.0^a			2.68	< 0.001
Free-living prokaryotes, OD_{600 nm}		0.01^b			0.02^a			0.004	0.007
Totally faunated
Total protozoa, log cells mL⁻¹	4.28^c	5.32^b	5.30^b	5.46^b	6.30^a	6.06^a	3.84^d	0.149	< 0.001
Large Diplodiniinae, %	74.5^a	51.4^b	18.4^c	0.8^d	ND	ND	ND	5.23	< 0.001
Isotricha sp., %	16.1^b	37.3^a	36.6^a	20.5^b	3.6^c	1.2^c	ND	5.38	< 0.001
Epidinium sp., %	2.9^b	6.0^b	27.3^a	33.9^a	10.3^b	ND	ND	3.72	< 0.001
Small Diplodiniinae, %	4.5^d	4.3^d	16.6^c	38.5^a	31.2^b	0.9^d	ND	3.30	< 0.001
Dasytricha sp., %	0.9^b	0.3^b	0.1^b	3.9^b	17.0^a	3.6^b	0.5^b	2.49	< 0.001
Entodinium sp., %	1.1^c	0.7^c	1.1^c	2.6^c	37.9^b	94.2^a	99.5^a	5.84	< 0.001
Free-living prokaryotes, OD_{600 nm}	0.01^b	0.01^b	0.01^b	0.00^b	0.02^b	0.01^b	0.31^a	0.024	< 0.001

	Fraction (pore size in μm)	SED	P-value
Holotrich-monofaunated
Total protozoa, log cells mL⁻¹		4.70^a			5.61^b			0.242	0.013
Isotricha sp., %		98.0^a			3.0^b			2.68	< 0.001
Dasytricha sp., %		2.0^b			97.0^a			2.68	< 0.001
Free-living prokaryotes, OD_{600 nm}		0.01^b			0.02^a			0.004	0.007
Totally faunated
Total protozoa, log cells mL⁻¹	4.28^c	5.32^b	5.30^b	5.46^b	6.30^a	6.06^a	3.84^d	0.149	< 0.001
Large Diplodiniinae, %	74.5^a	51.4^b	18.4^c	0.8^d	ND	ND	ND	5.23	< 0.001
Isotricha sp., %	16.1^b	37.3^a	36.6^a	20.5^b	3.6^c	1.2^c	ND	5.38	< 0.001
Epidinium sp., %	2.9^b	6.0^b	27.3^a	33.9^a	10.3^b	ND	ND	3.72	< 0.001
Small Diplodiniinae, %	4.5^d	4.3^d	16.6^c	38.5^a	31.2^b	0.9^d	ND	3.30	< 0.001
Dasytricha sp., %	0.9^b	0.3^b	0.1^b	3.9^b	17.0^a	3.6^b	0.5^b	2.49	< 0.001
Entodinium sp., %	1.1^c	0.7^c	1.1^c	2.6^c	37.9^b	94.2^a	99.5^a	5.84	< 0.001
Free-living prokaryotes, OD_{600 nm}	0.01^b	0.01^b	0.01^b	0.00^b	0.02^b	0.01^b	0.31^a	0.024	< 0.001

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)					SED					P-value
80		60		45			35		20			5		< 5
Holotrich-monofaunated
Total protozoa, log cells mL⁻¹			4.70^a							5.61^b						0.242	0.013
Isotricha sp., %			98.0^a							3.0^b						2.68	< 0.001
Dasytricha sp., %			2.0^b							97.0^a						2.68	< 0.001
Free-living prokaryotes, OD_{600 nm}			0.01^b							0.02^a						0.004	0.007
Totally faunated
Total protozoa, log cells mL⁻¹	4.28^c		5.32^b		5.30^b			5.46^b		6.30^a			6.06^a		3.84^d	0.149	< 0.001
Large Diplodiniinae, %	74.5^a		51.4^b		18.4^c			0.8^d		ND			ND		ND	5.23	< 0.001
Isotricha sp., %	16.1^b		37.3^a		36.6^a			20.5^b		3.6^c			1.2^c		ND	5.38	< 0.001
Epidinium sp., %	2.9^b		6.0^b		27.3^a			33.9^a		10.3^b			ND		ND	3.72	< 0.001
Small Diplodiniinae, %	4.5^d		4.3^d		16.6^c			38.5^a		31.2^b			0.9^d		ND	3.30	< 0.001
Dasytricha sp., %	0.9^b		0.3^b		0.1^b			3.9^b		17.0^a			3.6^b		0.5^b	2.49	< 0.001
Entodinium sp., %	1.1^c		0.7^c		1.1^c			2.6^c		37.9^b			94.2^a		99.5^a	5.84	< 0.001
Free-living prokaryotes, OD_{600 nm}	0.01^b		0.01^b		0.01^b			0.00^b		0.02^b			0.01^b		0.31^a	0.024	< 0.001

	Fraction (pore size in μm)					SED					P-value
80		60		45			35		20			5		< 5
Holotrich-monofaunated
Total protozoa, log cells mL⁻¹			4.70^a							5.61^b						0.242	0.013
Isotricha sp., %			98.0^a							3.0^b						2.68	< 0.001
Dasytricha sp., %			2.0^b							97.0^a						2.68	< 0.001
Free-living prokaryotes, OD_{600 nm}			0.01^b							0.02^a						0.004	0.007
Totally faunated
Total protozoa, log cells mL⁻¹	4.28^c		5.32^b		5.30^b			5.46^b		6.30^a			6.06^a		3.84^d	0.149	< 0.001
Large Diplodiniinae, %	74.5^a		51.4^b		18.4^c			0.8^d		ND			ND		ND	5.23	< 0.001
Isotricha sp., %	16.1^b		37.3^a		36.6^a			20.5^b		3.6^c			1.2^c		ND	5.38	< 0.001
Epidinium sp., %	2.9^b		6.0^b		27.3^a			33.9^a		10.3^b			ND		ND	3.72	< 0.001
Small Diplodiniinae, %	4.5^d		4.3^d		16.6^c			38.5^a		31.2^b			0.9^d		ND	3.30	< 0.001
Dasytricha sp., %	0.9^b		0.3^b		0.1^b			3.9^b		17.0^a			3.6^b		0.5^b	2.49	< 0.001
Entodinium sp., %	1.1^c		0.7^c		1.1^c			2.6^c		37.9^b			94.2^a		99.5^a	5.84	< 0.001
Free-living prokaryotes, OD_{600 nm}	0.01^b		0.01^b		0.01^b			0.00^b		0.02^b			0.01^b		0.31^a	0.024	< 0.001

Within a row, numbers with different superscripts differ (P< 0.05).

ND, not detected.

OD_{600 nm}; Optical density at 600 nm of the supernatant after protozoal sedimentation. This indicates the abundance of free-living prokaryotes/archaea.

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