An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Sunde M, Solheim H, Slettemeås JS.Sunde M, et al.Vet Microbiol. 2008 Aug 25;130(3-4):422-5. doi: 10.1016/j.vetmic.2008.02.001. Epub 2008 Feb 15.Vet Microbiol. 2008.PMID: 18367349No abstract available.