Gastrointestinal Bacterial and Methanogenic Archaea Diversity Dynamics Associated with Condensed Tannin-Containing Pine Bark Diet in Goats Using 16S rDNA Amplicon Pyrosequencing

Table 4

Quantification of hindgut methanogenic archaea diversity present in meat goat (𝑛=6) as analyzed using bTEFAP pyrosequencing method¹.

Item	Diets^2			SEM	P values^3
	Control	15% PB	30% PB		L	Q
Methanobrevibacter spp.	74.8	71.7	49.6	8.84	0.05	0.43
Methanosphaera spp.	1.18	0.61	0.74	0.45	0.51	0.57
Methanobacteriaceae spp.	3.35	2.31	3.44	1.01	0.95	0.44

1Data were presented with a cutoff value of 0.9%.
²Control (0% PB), 15% PB, and 30% PB on an as-fed basis.
³Polynomial contrasts for equally spaced treatments. L: linear effect; Q: quadratic effect.