Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Average cycle threshold (Ct) values of candidate reference genes tested in porcine tissues at different ages . The values are the average qRT-PCR cycle threshold numbers (Ct values). The bars indicate standard deviation. *P < 0.05; **P < 0.01; ***P < 0.001 and ****P < 0.0001
