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.
de Vries R, van Knegsel A, Johansson M, Lindmark-Månsson H, van Hooijdonk T, Holtenius K, Hettinga K.de Vries R, et al. Among authors: hettinga k.J Dairy Sci. 2015 Dec;98(12):8678-87. doi: 10.3168/jds.2015-9544. Epub 2015 Oct 9.J Dairy Sci. 2015.PMID: 26454294Free article.
Hettinga KA, van Valenberg HJ, Lam TJ, van Hooijdonk AC.Hettinga KA, et al.J Dairy Sci. 2008 Oct;91(10):3834-9. doi: 10.3168/jds.2007-0941.J Dairy Sci. 2008.PMID: 18832205Free article.
Hettinga KA, van Valenberg HJ, Lam TJ, van Hooijdonk AC.Hettinga KA, et al.J Dairy Sci. 2009 Oct;92(10):4901-5. doi: 10.3168/jds.2008-1818.J Dairy Sci. 2009.PMID: 19762805Free article.