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.
Shafer-Weaver KA, Corl CM, Sordillo LM.Shafer-Weaver KA, et al.J Dairy Sci. 1999 Aug;82(8):1696-706. doi: 10.3168/jds.S0022-0302(99)75399-3.J Dairy Sci. 1999.PMID: 10480095Free article.