An official website of the United States government
Here's how you know
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.
Typical sperm trajectories of DMSS-sorted bull spermatozoa (Bos taurus): (A) rapid, linear progressive, nonsinuous (PN) and (B) transitional sinuous (TS) with higher SMI and lower SMI used in insemination of heifers, respectively. (Magnification: 150×.)