Figure 1.
Parasite infection induces sperm deficiency. Concentration of motile spermatozoa per μL in male sticklebacks experimentally infected with the nematode Camallanus lacustris and in uninfected (unexposed) males. Error bars represent ± 1 SE.
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.