Sentence:  <WSD>Lupins</WSD> contain less than 3% starch (Evans, 1994), the main fermentable carbohydrate involved in rumen acidosis when cereal grains are fed to ruminants. For this reason <WSD>lupins</WSD> have generally been regarded as a completely safe feed  for sheep and cattle, and required no gradual introduction (Rowe, 1995). 
Meaning of the word marked with <WSD> tags:  A (lupin bean), a yellow legume seed of a "Lupinus" plant (usually (ver=161027)), used as feed for sheep and cattle and commonly eaten in the Mediterranean area and in Latin America although toxic if prepared improperly.