Tags

Type your tag names separated by a space and hit enter

Prevalence of gastrointestinal helminths, lungworms and liver fluke in sheep and goats in Norway.
Vet Parasitol. 2013 May 01; 194(1):40-8.VP

Abstract

The present study describes the occurrence of various gastrointestinal helminths, lungworms and liver flukes in Norwegian sheep and goats as assessed from faecal samples and post mortem examinations performed between 2007 and 2010. Faecal samples for gastrointestinal nematode egg counts were collected from 77 sheep flocks and 30 dairy goat flocks from three geographical regions in Norway. Additionally, thirty-two lambs and 16 adult goats were euthanized for necropsy examination and for identification of adult gastrointestinal nematodes and tapeworms, lungworms and liver flukes. The survey showed that there was a higher mean excretion of trichostrongyle eggs in sheep than in goats at the individual level (392 EPG vs. 154 EPG, p<0.001). For both host species, the mean prevalence and intensity of excreted trichostrongyle eggs were significantly higher in the southern coastal region compared with the inland and northern regions (p<0.001). Third stage larvae of Trichostrongylus/Teladorsagia, Haemonchus and Nematodirus type were the most prevalent ones in the coprocultures from sheep, whereas larvae of Trichostrongylus/Teladorsagia and Nematodirus type dominated in goats. The most prevalent gastrointestinal nematode species found at necropsy was Teladorsagia circumcincta (75.0 and 81.2% respectively in sheep and goats), while the largest mean worm burdens were recorded for Haemonchus contortus in sheep (724±623) and T. circumcincta in goats (377±529). Other gastrointestinal nematode species were present at low prevalence or in low numbers. Fasciola hepatica was only found in necropsied sheep from the coastal region with a prevalence of 18.8%. The lungworm Mullerius capillaris was found from all regions in necropsied goats (31.2%) and from coastal area in sheep (3.1%). The present study indicates that H. contortus and Nematodirus battus have a wider geographical distribution to the north than expected, and describes to our knowledge the northernmost occurrence of H. contortus in the Nordic countries.

Authors+Show Affiliations

Norwegian School of Veterinary Science, Sandnes, Norway. Atle.Domke@nvh.noNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23298563

Citation

Domke, Atle V Meling, et al. "Prevalence of Gastrointestinal Helminths, Lungworms and Liver Fluke in Sheep and Goats in Norway." Veterinary Parasitology, vol. 194, no. 1, 2013, pp. 40-8.
Domke AV, Chartier C, Gjerde B, et al. Prevalence of gastrointestinal helminths, lungworms and liver fluke in sheep and goats in Norway. Vet Parasitol. 2013;194(1):40-8.
Domke, A. V., Chartier, C., Gjerde, B., Leine, N., Vatn, S., & Stuen, S. (2013). Prevalence of gastrointestinal helminths, lungworms and liver fluke in sheep and goats in Norway. Veterinary Parasitology, 194(1), 40-8. https://doi.org/10.1016/j.vetpar.2012.12.023
Domke AV, et al. Prevalence of Gastrointestinal Helminths, Lungworms and Liver Fluke in Sheep and Goats in Norway. Vet Parasitol. 2013 May 1;194(1):40-8. PubMed PMID: 23298563.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence of gastrointestinal helminths, lungworms and liver fluke in sheep and goats in Norway. AU - Domke,Atle V Meling, AU - Chartier,Christophe, AU - Gjerde,Bjørn, AU - Leine,Nils, AU - Vatn,Synnøve, AU - Stuen,Snorre, Y1 - 2012/12/20/ PY - 2012/03/20/received PY - 2012/11/29/revised PY - 2012/12/11/accepted PY - 2013/1/10/entrez PY - 2013/1/10/pubmed PY - 2013/10/1/medline SP - 40 EP - 8 JF - Veterinary parasitology JO - Vet. Parasitol. VL - 194 IS - 1 N2 - The present study describes the occurrence of various gastrointestinal helminths, lungworms and liver flukes in Norwegian sheep and goats as assessed from faecal samples and post mortem examinations performed between 2007 and 2010. Faecal samples for gastrointestinal nematode egg counts were collected from 77 sheep flocks and 30 dairy goat flocks from three geographical regions in Norway. Additionally, thirty-two lambs and 16 adult goats were euthanized for necropsy examination and for identification of adult gastrointestinal nematodes and tapeworms, lungworms and liver flukes. The survey showed that there was a higher mean excretion of trichostrongyle eggs in sheep than in goats at the individual level (392 EPG vs. 154 EPG, p<0.001). For both host species, the mean prevalence and intensity of excreted trichostrongyle eggs were significantly higher in the southern coastal region compared with the inland and northern regions (p<0.001). Third stage larvae of Trichostrongylus/Teladorsagia, Haemonchus and Nematodirus type were the most prevalent ones in the coprocultures from sheep, whereas larvae of Trichostrongylus/Teladorsagia and Nematodirus type dominated in goats. The most prevalent gastrointestinal nematode species found at necropsy was Teladorsagia circumcincta (75.0 and 81.2% respectively in sheep and goats), while the largest mean worm burdens were recorded for Haemonchus contortus in sheep (724±623) and T. circumcincta in goats (377±529). Other gastrointestinal nematode species were present at low prevalence or in low numbers. Fasciola hepatica was only found in necropsied sheep from the coastal region with a prevalence of 18.8%. The lungworm Mullerius capillaris was found from all regions in necropsied goats (31.2%) and from coastal area in sheep (3.1%). The present study indicates that H. contortus and Nematodirus battus have a wider geographical distribution to the north than expected, and describes to our knowledge the northernmost occurrence of H. contortus in the Nordic countries. SN - 1873-2550 UR - https://www.unboundmedicine.com/medline/citation/23298563/Prevalence_of_gastrointestinal_helminths_lungworms_and_liver_fluke_in_sheep_and_goats_in_Norway_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-4017(12)00671-1 DB - PRIME DP - Unbound Medicine ER -