<http://schema.org/description>
"Ketosis is one of the most common metabolic disorders occur during the first month of lactation in high producing dairy herds. Ketosis is caused by negative energy balance due to insufficient energy intake to support energy output in milk after parturition."^^<http://www.w3.org/2001/XMLSchema#string>
<http://extension.psu.edu/animals/dairy/news/2005/research-update-201cdry-propylene-glycol-an-alternative-readily-available-energy-source-for-fresh-cows.201d>