Changes

Fair in cases that are rapidly treated but poor in foals with evidence of hypovolaemia and septic shock.  Surgical cases also carry a poorer prognosis than cases which are resolved medically.<ref name="Merck">Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''', ''Merial''.</ref>  In a recent study, long term survival of 25 affected horses was 33%.<ref name="Cribb">Cribb, N.C, Cote, N.M, Boure, L.P, Peregrine, A.S (2006) Acute small intestinal obstruction associated with ''Parascaris equorum'' infection in young horses: 25 cases (9185-2004).  ''N Z Vet J'', 54:338-343.  In: Blikslager, A.T (2010) ''Obstructive Disorders of the Gastrointestinal Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Chapter 15, ''Saunders''.</ref>:  Failure to relieve the impaction may lead to intestinal rupture.<ref name="Merck">Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''', ''Merial''.</ref>

Fair in cases that are rapidly treated but poor in foals with evidence of hypovolaemia and septic shock.  Surgical cases also carry a poorer prognosis than cases which are resolved medically.<ref name="Merck">Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''', ''Merial''.</ref>  In a recent study, long term survival of 25 affected horses was 33%.<ref name="Cribb">Cribb, N.C, Cote, N.M, Boure, L.P, Peregrine, A.S (2006) Acute small intestinal obstruction associated with ''Parascaris equorum'' infection in young horses: 25 cases (9185-2004).  ''N Z Vet J'', 54:338-343.  In: Blikslager, A.T (2010) ''Obstructive Disorders of the Gastrointestinal Tract'' in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), Chapter 15, ''Saunders''.</ref>:  Failure to relieve the impaction may lead to intestinal rupture.<ref name="Merck">Merck & Co (2008) '''The Merck Veterinary Manual (Eighth Edition)''', ''Merial''.</ref>

*Regular faecal worm egg counts should be conducted to monitor the effects of the anthelmintic schedule and the presence of resistance

*Regular faecal worm egg counts should be conducted to monitor the effects of the anthelmintic schedule and the presence of resistance

*Clean pasture management including the regular removal of faeces

*Clean pasture management including the regular removal of faeces

*The worming programme for adult horses should reflect the circumstances and efficiency of clean pasture management

*The worming programme for adult horses should reflect the circumstances and efficiency of clean pasture management.  A strategic or targeted startegic dosing plan is recommended.

*Thorough cleaning of stables that have been occupied by foals or weanlings

*Thorough cleaning of stables that have been occupied by foals or weanlings

*Bathe mare and clean udder before arrival at foaling premises to remove any ascarid eggs on the coat

*Bathe mare and clean udder before arrival at foaling premises to remove any ascarid eggs on the coat