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Table 3 Primers used for absolute quantitative real-time polymerase chain reaction (PCR)

From: Effects of different amino acid levels and a carvacrol–thymol blend on growth performance and intestinal health of weaned pigs

Target group

Sequence of primers, 5′ to 3′

Size, bp

Total bacteria

Forward: GTGSTGCAYGGYYGTCGTCA

146

Reverse: ACGTCRTCCMCNCCTTCCTC

Lactobacillus spp.

Forward: AGCAGTAGGGAATCTTCCA

341

Reverse: CACCGCTACACATGGAG

Enterococcus

Forward: CCCTTATTGTTAGTTGCCATCATT

144

Reverse: ACTCGTTGTACTTCCCATTGT

Escherichia coli

Forward: CATGCCGCGTGTATGAAGAA

96

Reverse: CGGGTAACGTCAATGAGCAAA

Bifidobacterium genus

Forward: TCGCGTCTGGTGTGAAAG

243

Reverse: CCACA TCCAGCATCCAC