Impact of the rumen microbiome on milk fatty acid composition of Holstein cattle

Table 2 Total variance explained by additive genetic^a (\({\text{h}}_{{\rm g}}^{2}\)) and rumen bacteria^a (\({\text{h}}_{B}^{2}\)) effects

Trait	\({\text{h}}_{\text{g}}^{2}\)	SE \({\text{h}}_{\text{g}}^{2}\)	\({\text{h}}_{B}^{2}\)	SE \({\text{h}}_{B}^{2}\)
Fat %	0.19	0.16	0.08	0.07
Protein %	0.18	0.14	0.08	0.09
C6:0	0.14	0.12	4.25e−07	0.05
C8:0	0.17	0.13	4.57e−07	0.06
C10:0	0.16	0.13	2.87e−06	0.08
C12:0	0.19	0.14	4.23e−07	0.07
C13:0	0.19	0.16	0.12	0.09
C14:0	2.45e−07	0.11	0.14	0.12
C14:1 cis-9	0.69	0.22	0.03	0.05
C15:0	0.53	0.21	0.42	0.18
C16:0	0.17	0.14	1.33e−07	0.07
C16:1 cis-9	0.42	0.19	3.63e−06	0.06
C17:0	0.22	0.14	0.30	0.16
C18:0	0.26	0.16	0.18	0.13
C18:1 trans-11	0.11	0.13	0.16	0.15
C18:1 cis-9	0.11	0.12	1.22e−08	0.06
C18:2 n-6	0.12	0.12	0.26	0.14
C18:3 n-3	2.17e−05	0.12	0.31	0.14
CLA cis-9, trans-11	0.24	0.14	0.33	0.17

Significant heritabilities and microbiabilities are in italic
CLA conjugated linoleic acid
^a\({\text{h}}_{\text{g}}^{2}\) and \({\text{h}}_{B}^{2}\) were estimated based on models M1 and M2, respectively

ISSN: 1297-9686