van Vuuren, A M <br/><br/>
Effects of partial replacement of ryegrass by low protein feeds on rumen fermentation and nitrogen loss by dairy cows.  [electronic resource] 

 -  Journal of dairy science  Oct 1993 
 - 2982-93 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0022-0302 
<br/><br/><label>Standard No.: </label>10.3168/jds.S0022-0302(93)77637-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Feed<br/>Animals<br/>Cattle--metabolism<br/>Dietary Proteins--administration & dosage<br/>Feces--chemistry<br/>Female<br/>Fermentation<br/>Hydrogen-Ion Concentration<br/>Lolium<br/>Nitrogen--metabolism<br/>Rumen--metabolism<br/>Vegetables<br/>Zea mays