b'SPONSORED BYKNOW YOUR EQUINE PARASITES Small strongylesTapewormsRoundworms,Pinworms Large strongyles(Anoplocephalaaka Ascarids(cyathostomins) perfoliata) (Parascaris equorum) (Oxyuris equi) (Strongylus vulgaris)HorseFoals younger DemographicAll horses over 6All horses over 6than 6 monthsAll horses All horsesAffected months of age months of age and some yearlingsWidespreadWidespreadWidespread onWidespreadRare in managed Prevalence throughout the U.S.,throughout the U.S.,U.S. breedingthroughout theU.S. horse particularly in moistparticularly in moistfarms U.S. populationsenvironments environmentsWeight loss, lack ofAirwayItching, intense appetite, diarrhea,Ileocecalinflammation,tail rubbing, Peritonitis and Relatedfever, lethargy, dullimpactions andsmall intestineskin irritationcolic due to Problems hair coat, poorspasmodic colic impaction, illaround intestinalperformance thrift, anus damagepoor growthWidely resistantWidespread to benzimidazolesmacrocyclicWidespread Drugand pyrimidines,No signs of lactonemacrocyclicNo reported Resistance early evidence ofresistance resistance,lactoneresistancemacrocyclic lactonesome resistanceresistanceresistance to other drug classes Yearly praziquantelBenzimidazoleA pyrimidine or DewormingFollow steps on or pyrimidinetreatment at 2-3benzimidazoleFollow steps on Suggestions opposite page treatment, followedmonths and 5-6upon diagnosis opposite pageby fecal egg counts months old Tip: Pull out and laminate this spread for easy reference in your barn!TheHorse.com|The HorseApril 202023'