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A cross-sectional study of helminths in rural scavenging poultry in Tanzania in relation to season and climate

Published online by Cambridge University Press:  05 June 2009

A. Permin ,
H. Magwisha ,
A.A. Kassuku ,
P. Nansen ,
M. Bisgaard ,
F. Frandsen  and
L. Gibbons
A. Permin
Affiliation:
Danish Centre for Experimental Parasitology, The Royal Veterinary and Agricultural University, Bülowsvej 13, DK-1870 Frederiksberg C, Copenhagen, Denmark:
H. Magwisha
Affiliation:
Department of Veterinary Microbiology and Parasitology, Faculty of Veterinary Medicine, Sokoine University of Agriculture, Box 3019, Morogoro, Tanzania:
A.A. Kassuku
Affiliation:
Department of Veterinary Microbiology and Parasitology, Faculty of Veterinary Medicine, Sokoine University of Agriculture, Box 3019, Morogoro, Tanzania:
P. Nansen
Affiliation:
Danish Centre for Experimental Parasitology, The Royal Veterinary and Agricultural University, Bülowsvej 13, DK-1870 Frederiksberg C, Copenhagen, Denmark:
M. Bisgaard
Affiliation:
Institute of Veterinary Microbiology, Section for Poultry Diseases, The Royal Veterinary and Agricultural University, Bülowsvej 13, DK-1870 Frederiksberg C, Copenhagen, Denmark:
F. Frandsen
Affiliation:
Institute of Ecology and Molecular Biology, Section for Zoology, The Royal Veterinary and Agricultural University, Bülowsvej 13, DK-1870 Frederiksberg C, Copenhagen, Denmark:
L. Gibbons
Affiliation:
International Institute of Parasitology, 395A Hatfield Road, St Albans, Herts, AL4 OXU, UK
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Abstract

A cross-sectional study on the prevalence of helminths in rural scavenging poultry on six hundred adult chickens selected randomly from six villages in the Morogoro Region, Tanzania during the wet and the dry seasons, was conducted. The trachea and gastrointestinal tract of each bird were examined for the presence of parasites. All chickens were infected with one or several species of helminths, the average being 4.8 ±1.7 helminths per chicken during the wet season and 5.1 ± 1.8 during the dry season. A total of 29 different helminth species were shown in the trachea or the gastrointestinal tract. The following species were identified: Syngamus trachea (0.7% (wet season), 2% (dry season)); Gongylonema ingluvicola (6.3%, 17.7%); Tetrameres americana (54.3%, 60.3%); Dispharynx nasuta (0%, 2.7%); Acuaria hamulosa (8.3%, 19.3%); Ascaridia galli (28.3%, 32.3%); Heterakis gallinarum (74.0%, 78.7%); H. isolonche (18.7%, 5.0%); H. dispar (25.7%, 6.3%); Allodapa suctoria (40.0%, 52.0%); Subulura strongylina (3.3%, 1.0%); Strongyloides avium (0.3%, 3.0%); Capillaria annulata (2.0%, 0.0%); C. contorta (9.0%, 1.0%); C. caudinflata (2.0%, 4.3%); C. obsignata (8.7%, 25.0%); C. anatis (4.0%, 9.0%); C. bursata (1.0%, 2.7%); Raillietina echinobothrida (41.3%, 46.3%); R. tetragona (25.3%, 21.3%); R. cesticillus (8.7%, 2.7%); Choanotaenia infundibulum (0.0%, 3.7%); Hymenolepis carioca (9.0%, 18.0%); H. cantaniana (48.0%, 43.0%); Amoebotaenia cuneata (39.3%, 36.0%); Metroliasthes lucida (1.0%, 0.3%); Davainea proglottina (5.7%, 0.3%) and Polymorphus boschadis (0.3%, 0.0%). No trematodes were found. No correlation was found between season and prevalence, or season and mean worm burdens. Twelve helminths of the species recovered represent new local records.

Type
Research Papers
Information
Journal of Helminthology , Volume 71 , Issue 3 , September 1997 , pp. 233 - 240
Copyright
Copyright © Cambridge University Press 1997

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