Table 1 Sequence of the primers used

Gene	Accession number	Sequence of the primers	Size of fragment
Cgα	NM_009889	F 5'-CAG GTC CAA GAA GAC AAT GC	224 bp
		R 5'-TGA CAC ACA GCG CCA TTG AA
LH-β	NM_008497	F 5'-CCA GTC TGC ATC ACC TTC AC	503 bp
		R 5'-AGG GAG GGA GGG ATG ATT AG
Testis LH-β	XM_006541350.3	F 5'-TCA GTG AGA CGA AGG CAC AG	800 bp
		R 5'-CAG GCT CAC CTT GTG AGG TC

F, forward; R, reverse.
The directions of sequences are all 5’ to 3’.