Page 21 - The Veterinary Laboratory and Field Manual 3rd Edition

xx List of figures, plates and tables

Figure 3.11 Relative size of adult worms Figure 3.26 Larval (cyst) forms of some
which may be seen during a total worm count tapeworms. 149
at post mortem examination. 126 Figure 3.27 Life cycle of Taenia solium and
Figure 3.12 Squash smear to show the T. saginata. 151
appearance of a Trichinella spiralis larva Figure 3.28 Life cycle of Taenia multiceps,
developing in the muscle tissue of a pig the tapeworm parasite that has a cyst stage
(20×). 128 in the brain causing ‘gid’ in the ruminant
Figure 3.13 The life cycle of Trichinella intermediate host. 153
spiralis is complex and because of their short Figure 3.29 Life cycle of the hydatid
lifespan, the adult worms are rarely found in tapeworm (Echinococcus granulosus). 155
natural infections. 129 Figure 3.30 The life cycle of the liver fluke
Figure 3.14 Features used to assist in the (Fasciola hepatica). 157
identification of adult nematodes. 132 Figure 3.31 (a) The life cycle of Eimeria sp.
Figure 3.15 The microscopic appearance of Protozoal organisms of the genus Eimera or
parasite eggs commonly found in the faeces Isospora cause ‘coccidiosis’ in a number
of pigs. 135 of species, in most cases the species of
Figure 3.16 The microscopic appearance of coccidia is host specific. (b) Photograph of
parasite eggs commonly found in the faeces Isospora sp. 161
of horses and donkeys. 135 Figure 3.32 The life cycle of Toxoplasma gondii. 166
Figure 3.17 The microscopic appearance of Figure 3.33 Aborted foetus which was lost
parasite eggs commonly found in the faeces near to full term. 167
of ruminants. 136 Figure 3.34 Life cycle of Sarcocytis sp. 168
Figure 3.18 The microscopic appearance of Figure 3.35 Trypanosome (T) as seen in a
parasite eggs commonly found in the faeces Giemsa stained blood smear from a horse
of poultry. 136 (1000× oil immersion). 170
Figure 3.19 The relative size of helminth ova, Figure 3.36 Preparation of a blood film. 173
coccidial oocysts and artefacts. 137 Figure 3.37 Climatic zones. 181
Figure 3.20 (a) The microscopic appearance Figure 3.38 The general classification of
of parasite eggs commonly found in the faeces arthropods of veterinary importance. 185
of carnivores. (b and c) Photomicrographs Figure 3.39 Morphological characteristics
(40×) of the canine hookworm (Ancylostoma used to identify ticks. 187
caninum) demonstrating the structure of the Figure 3.40 Typical tick life cycle. 188
nematode mouth parts and the gut. 137 Figure 3.41 Life cycle of a three-host tick
Figure 3.21 Basic gastrointestinal nematode (for example, some Rhipicephalus sp.,
life cycle. 139 Ixodes sp.). 188
Figure 3.22 Life cycle of a nematode Figure 3.42 Life cycle of a typical one-host
(Capillaria contorta) with an indirect life cycle. 140 tick (for example, Rhipicephalus [Boophilus]
Figure 3.23 Life cycle of a typical ruminant microplus, R. annulatus). 189
roundworm (for example, Haemonchus Figure 3.43 Photos of common
contortus). 141 ectoparasites. 189
Figure 3.24 Life cycle of the dog roundworm Figure 3.44 Ventral view of two species of
(Toxocara canis). 146 adult mites. 190
Figure 3.25 The life cycle of Dictyocaulus Figure 3.45 Stray dog with advanced
viviparous (bovine lungworm). 148 sarcoptic mange. 191

Vet Lab.indb 20 26/03/2019 10:24