SRX17180054 MK33_RC5 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742772 SAMN30438423 MK33_RC5 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180055 MK33_RC7 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742773 SAMN30438424 MK33_RC7 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180056 MK33_RC26 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742774 SAMN30438433 MK33_RC26 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180057 MK33_RC27 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742775 SAMN30438434 MK33_RC27 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180058 MK33_RC10 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742776 SAMN30438425 MK33_RC10 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180059 MK33_RC11 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742777 SAMN30438426 MK33_RC11 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180060 MK33_RC15 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742778 SAMN30438427 MK33_RC15 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180061 MK33_RC16 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742779 SAMN30438428 MK33_RC16 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180062 MK33_RC18 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742780 SAMN30438429 MK33_RC18 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180063 MK33_RC20 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742781 SAMN30438430 MK33_RC20 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180064 MK33_RC21 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742782 SAMN30438431 MK33_RC21 AMPLICON METAGENOMIC PCR Illumina MiSeq SRX17180065 MK33_RC22 SRP393382 PRJNA872093 Rumen samples were collected 3h after morning feeding using stomach tube. Samples were aliquoted snap frozen in dry ice and stored at -80 oC until DNA extraction. Total DNA was extracted as described by Rius et al. (2012). For microbial amplicon sequencing primers targeting protozoal 18S rRNA gene region were used (Sylvester et al., 2004). SRS14742783 SAMN30438432 MK33_RC22 AMPLICON METAGENOMIC PCR Illumina MiSeq