General Parasitology and Helminthology: Macroscopic examination

Macroscopic examination

MACROSCOPIC EXAMINATION

Spontaneously discharged tapeworm segments and nematodes (roundworms, pinworms, trichurids etc.) can be recognized by direct macroscopic inspection of the faeces, by decantation of faeces in water in a glass tray or by pouring the faeces mixed with tap water through a sieve (aperture: 0.3mm) which will retain the worms.
Nematodes, immature amphistomes and tapeworm proglottids, transferred into saline in petridish can be observed against a dark background by the unaided eye or by using a magnifying lens. when the samples are received from field units, the gross appearance of the faecal samples should be observed before doing the egg count or faecal-culture.

Last modified: Wednesday, 25 August 2010, 5:46 AM

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      - Examination of faeces
      - Macroscopic examination
      - Microscopic examination
      - Direct examination of faecal sample
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VPA 211: General Veterinary Parasitology and Helminthology (3+1)

Macroscopic examination

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