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Перевод: abomasum

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Тезаурус:

1. The presence of O. ostertagi in the abomasum in sufficient numbers gives rise to extensive pathological and biochemical changes and severe clinical signs.
2. Gross: The adults are easily identified because of their specific location in the abomasum and their large size (2.0-3.0 cm).
3. The majority of these become arrested in the abomasum as EL4 and do not complete development until the following spring.
4. Hosts: Cattle, sheep and goats Site: Abomasum Species: Haemonchus contortus H. placei H. similis Until recently the sheep species was called H. contortus and the cattle species H. placei.
5. There is also a loss of bacteriostatic effect in the abomasum.
6. The symptoms displayed by Mr Bailes' cow were typical of displacement of the abomasum (when the fourth stomach slips round from the right to the left side) and it was a condition that was just not recognized in those early days.
7. Changes are usually evident in both, although in sheep which have just undergone self cure (see below) or are in a terminal stage of the disease, the bulk of the worm burden may have been lost from the abomasum.
8. Necropsy, paying attention to both the abomasum and the marrow changes in the long bones, is also useful.
9. Sometimes with the orally administered benzimidazoles the drug by-passes the rumen and enters the abomasum directly and this appears to lower efficacy because of its more rapid absorption and excretion.
10. Hosts: Ruminants Site: Abomasum Species: Ostertagia ostertagi cattle O. circumcincta sheep and goats O. trifurcata sheep and goats Minor species are O. (syn.
11. This is based on clinical signs, seasonality of infection and faecal egg counts, and if possible, post-mortem examination, when the characteristic lesions can be seen in the abomasum.
12. In hyperacute haemonchosis, only the abomasum may show changes since death may have occurred so rapidly that marrow changes are minimal.
13. Found in the abomasum of small ruminants in the tropics and subtropics including southern Europe, U.S.A., South America, India and Russia.