00702naa a2200217 a 450000100080000000500110000800800410001910000190006024500820007926000090016152001330017065000100030365000140031365000150032765000100034265000120035270000180036470000190038270000170040177300660041815174632013-12-27       1997    bl uuuu     u00u1 u    #d1 aEDWARDS, G. R.  aUse of cues by grazing animals to locate food patchesban example with sheep.  c1997  aIn the present study, we tested directly whether sheep could distinguish between ryegrass and white clover without grazing them.  aDieta  aGramínea  aLeguminosa  aOvino  aPastejo1 aNEWMAN, J. A.1 aPARSONS, A. J.1 aKREBS, J. R.  tApplied Animal Behaviour Sciencegv.51, n.1-2, p.59-68, 1997.