RAPID LATEX SLIDE TEST KIT FOR IN VITRO VETERINARY DIAGNOSTIC USE FOR DETECTION OF HEARTWORM INFECTION CONSISTING PRIMARILY OF REAGENTS AND PIPETS; AND POSITIVE CONTROL SERUM FOR IN VITRO VETERINARY DIAGNOSTIC USE; AND NEGATIVE CONTROL SERUM FOR IN VITRO VETERINARY DIAGNOSTIC USE; AND LATEX REAGENT FOR IN VITRO VETERINARY DIAGNOSTIC USE