Abomasal impaction associated with anorexia and mortality in lambs. 
Anorexia in forty-six (6.1%) out of 753 neonatal lambs was investigated.  Thirty-five of these lambs (76.1%) died while eleven (23.9%) recovered after treatment.  Coagulated rubber-like milk clots were found in fifteen (42.9%), phytobezoars in nine (25.7%) and trichophytobezoars and coarse straws in eleven (31.4%) of the dead lambs.