GENERAL
The laboratory diagnosis of parasitism
While this technique will detect the eggs and larvae of most nematodes, cestodes and coccidia, it will not demonstrate trematode eggs, which have a higher specific density. For these, a…
Parasites of ungulates
Superfamily: Trichostrongyloidea Hosts: Fallow deer (Dama dama), roe deer (Capreolus capreolus) Spiculopteragia spiculoptera Synonym: Ostertagia spiculoptera, Spiculopteragia bohmi Predilection site: Abomasum Parasite class: Nematoda Superfamily: Trichostrongyloidea Hosts: Red deer (Cervus…
Parasite taxonomy and morphology
Trichostrongylus, Ostertagia, Dictyocaulus, Haemonchus etc. Buccal capsule small. Life cycle direct; infection by L3 Strongyloidea Strongylus, Syngamus etc. Buccal capsule well developed; leaf crowns and teeth usually present….
Parasites of horses
Clinical signs: The presence of adult worms in the stomach causes very little clinical disturbance. Cutaneous habronematidosis presents as intense itching of the affected skin. Non-healing granulomatous lesions, raised above…
Facultative ectoparasites and arthropod vectors
Sub-order: Ixodida (Metastigmata) Family: Argasidae Description: The unfed adult is reddish brown turning slate blue when fed. The female is about 8 mm in length and the male about 5…
Parasites of laboratory animals
Life cycle: There are five merogony stages. The first-generation meronts are in the glands of the lower small intestine, the second-to fifth-generation meronts are in the caecum and colon. The…
Parasites of poultry and gamebirds
Clinical signs: Light infections of less than 100 worms may cause poor weight gains and lowered egg production. Heavy infections often induce inappetence and emaciation. Diagnosis: Because of the non-specific…
Parasites of dogs and cats
Tetratrichomonas felistomae Predilection site: Mouth Parasite class: Zoomastigophorasida Family: Trichomonadidae Description: The body is piriform, 6–11 × 3–4 μm, (mean 8 × 3 μm). There are four anterior flagella, which…
