1
Parasites found in the small intestine of poultry are:
(A) . Heterakis gallinarum
(B) . Echinostoma revolutum
(C) . Ascaridia gali
(D) . Tetrameres americana
Choose the correct answer from the options given below:
EXPLANATION
Parasitic Gastroenteritis, Liver Fluke Diseas
- Small Intestinal Poultry Parasites: Ascaridia galli (large roundworm) and Echinostoma revolutum (collar spine fluke) characteristically inhabit the lumen and mucosa of the small intestine (jejunum and ileum) of domestic fowl.
- Strict Anatomical Niches of Excluded Parasites:
- Heterakis gallinarum: Exclusively parasitizes the caeca of chickens and turkeys, serving as the biological vector for the protozoan Histomonas meleagridis (blackhead disease).
- Tetrameres americana: Embedded deeply within the glands of the proventriculus (glandular stomach), causing cystic dilation and severe catarrhal proventriculitis.
Correct option: (2) (B) and (C) only.
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