Ostertagiosis
See also Parasites - internal
Diagnosis
Grazing history, age of affected animals, clinical examination, faecal egg count and larval culture, total worm counts. In cattle, serum or plasma pepsinogen levels
Specimens required
From a live animal:- At least 30 g of fresh faeces in a screwtop jar filled to capacity, submitted chilled for egg count and larval culture.
- In cattle, serum or plasma pepsinogen may be useful particularly in growing animals.
- At least 30 g of fresh faeces as above.
- The abomasum and abomasal contents whole, with both ends tied off, submitted chilled or frozen for total worm count and larval digest.
