Table 1. PCR primer sets and expected amplicon sizes tested for the β-actin gene.

	Primer sets	Amplicon size
(1)	Forward 5′-ACACTGTGCCCATCTACGAGG-3′	620 bp
	Reverse 5′-AGGGGCCGGACTCGTCATACT-3′
(2)	Forward 5′-GGACTTCGAGCAAGAGATGG-3′	234 bp
	Reverse, 5′-AGCACTGTGTTGGCGTACAG-3′
(3)	Forward 5′-CCCAGCACAATGAAGATCAA-3′	103 bp
	Reverse 5′-ACATCTGCTGGAAGGTGGAC-3