Page 183 - The Veterinary Laboratory and Field Manual 3rd Edition
P. 183

152  Susan C. Cork and Mani Lejeune

            Table 3.5  Final and intermediate hosts of common tapeworms.

            definitive host                          Intermediate host
            Adult          Host        Site          Larvae      Host         Site
            Taenia solium  Human       Small intestine  Cysticercus   Pig, human  Muscle, liver,
                                                     cellulosae               lungs, kidney
            Taenia saginata  Human     Small intestine  Cysticercus   Cattle, other   Muscle
                                                     bovis       ruminants
            Taenia ovis    Dog         Small intestine  Cysticercus    Sheep  Muscle
                                                     ovis
            Taenia (Multiceps)  Dogs, foxes  Small intestine  Coenurus   Sheep, goat,   Central nervous
            multiceps                                cerebralis  cattle, pig  system
            Taenia hydatigena  Dog, wild   Small intestine  Cysticercus   Sheep, cattle,   Peritoneum,
                           canids                    tenuicollis  pig         liver capsule
            Taenia pisiformis  Dogs, foxes  Small intestine  Cysticercus   Rabbit  Peritoneal cavity,
                                                     pisiformis               liver and kidney
            Taenia         Cat         Small intestine  Cysticercus   Mouse, rat  Liver
            taeniaeformis                            fasciolaris
                                                     (strobilocercus)
            Taenia serialis  Dog       Small intestine  Coenurus   Rabbit     Connective
                                                     serialis                 tissue
            Echinococcus   Dog or wild   Small intestine  Hydatid cyst   Sheep, cattle,   Liver, lung, other
            granulosus     canidae                   (unilocular)  horse, human,  visceral organs,
                                                                 other wild   muscle and
                                                                 and domestic   brain
                                                                 mammals
            Echinococcus   Dog or wild   Small intestine  Hydatid cyst   Arvicoline   Liver, other
            multilocularis  canidae                  (multilocular)  Rodents, dogs,  organs
                                                                 human, other
                                                                 ruminants


            scanning techniques for cerebral cysts and on   the cysticerci, although this method does
            finding antibody to cysticerci in the cerebrospi-  reduce the economic value of the meat. In
            nal fluid.                                 heavy infection, where more than 25 cys-
                                                       ticerci are detected, the carcass should be
            controL MEaSurES                           destroyed and discarded.
            •  Health education, construction and main-  •  The use of human faecal sludge as fertilizer
              tenance of latrines (human sanitation),   should be confined to cultivated fields or
              treatment of all human cases.            to those on that pigs and cattle will not be
            •  Compulsory meat inspection and thorough   grazed for at least 2 years.
              cooking of meat. Cysticerci can be destroyed   •  Safe disposal of infected carcasses, that is, the
              at 57°C.                                 cyst material in the carcass of intermediate
            •  The infected carcasses could  be  frozen  at   hosts should not be made available to forag-
              –10°C for at least 10 days, which would kill   ing scavengers such as domestic dogs.







       Vet Lab.indb   152                                                                  26/03/2019   10:25
   178   179   180   181   182   183   184   185   186   187   188