 Animal health company Covetrus Inc. CVET, -0.20 said Wednesday it agreed to be taken private by Clayton, Dubilier Rice CDR and TPG Capital TPG, -0.90 in a deal valued at 4 billion. The two private equity firms agreed to pay 21 a share, which is 1.34 or 6.8 over its closing price of 19.66 a share on Tuesday and a 39 premium over its 30-day volume weighted average price per share as of the unaffected stock price as of May 13. 