Cooperia (nematode)

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Cooperia
L3 stage larva of C. oncophora. Courtesy of Russel Avramenko.jpeg
L3 stage larva of Cooperia oncophora . Courtesy of Russell Avramenko.
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Nematoda
Class: Chromadorea
Order: Rhabditida
Family: Diplogasteridae
Genus: Cooperia
Ransom, 1907
Species

Cooperia is a genus of nematode from the Cooperiidae family that is one of the most common intestinal parasitic nematodes in cattle in temperate regions. [1] Infections with Cooperia may result in mild clinical symptoms, but can lead to weight loss and damage of the small intestine, especially when co-infections with other nematodes such as Ostertagia ostertagi occur. [2] [3] Infections are usually treated with broad-spectrum anthelmintics [4] such as benzimidazole, but resistance to these drugs has developed in the last decades and is now very common. [5] Cooperia has a direct life cycle. Infective larvae are ingested by the host. The larvae grow to adults, which reproduce in the small intestines. Eggs are shed onto the pasture with the faeces, which leads to new infections. Co-infections with other gastro-intestinal nematodes such as O. ostertagi and Haemonchus contortus are common. [2]

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<i>Cooperia oncophora</i> Species of roundworm

Cooperia oncophora is one of the most common intestinal parasitic nematodes in cattle in temperate regions. Infections with C. oncophora may result in mild clinical symptoms, but can lead to weight loss and damage of the small intestine, especially when co-infections with other nematodes such as O. ostertagi occur. Infections are usually treated with broad-spectrum anthelmintics such as benzimidazole, but resistance to these drugs has developed in the last decades and is now very common. C. oncophora has a direct life cycle. Infective larvae are ingested by the host. The larvae grow to adults, which reproduce in the small intestines. Eggs are shed onto the pasture with the faeces, which leads to new infections. Co-infections with other gastro-intestinal nematodes such as O. ostertagi and H. contortus are common.

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References

  1. Dorny, P.; Claerebout, E.; Vercruysse, J.; Hilderson, H.; Huntley, J. F. (1997-06-01). "The influence of a Cooperia oncophora priming on a concurrent challenge with Ostertagia ostertagi and C. oncophora in calves". Veterinary Parasitology. 70 (1–3): 143–151. doi:10.1016/s0304-4017(96)01142-9. ISSN   0304-4017. PMID   9195718.
  2. 1 2 Li, Robert W.; Li, Congjun; Gasbarre, Louis C. (2011-01-01). "The vitamin D receptor and inducible nitric oxide synthase associated pathways in acquired resistance to Cooperia oncophora infection in cattle". Veterinary Research. 42 (1): 48. doi: 10.1186/1297-9716-42-48 . ISSN   1297-9716. PMC   3066125 . PMID   21414188.
  3. Coop, R. L.; Sykes, A. R.; Angus, K. W. (1979-08-01). "The pathogenicity of daily intakes of Cooperia oncophora larvae in growing calves". Veterinary Parasitology. 5 (2): 261–269. doi:10.1016/0304-4017(79)90015-3.
  4. Borloo, Jimmy; De Graef, Jessie; Peelaers, Iris; Nguyen, D. Linh; Mitreva, Makedonka; Devreese, Bart; Hokke, Cornelis H.; Vercruysse, Jozef; Claerebout, Edwin (2013-09-06). "In-Depth Proteomic and Glycomic Analysis of the Adult-Stage Cooperia oncophora Excretome/Secretome". Journal of Proteome Research. 12 (9): 3900–11. doi:10.1021/pr400114y. ISSN   1535-3893. PMC   3883574 . PMID   23895670.
  5. Anziani, O. S.; Suarez, V.; Guglielmone, A. A.; Warnke, O.; Grande, H.; Coles, G. C. (2004-08-06). "Resistance to benzimidazole and macrocyclic lactone anthelmintics in cattle nematodes in Argentina". Veterinary Parasitology. 122 (4): 303–306. doi:10.1016/j.vetpar.2004.05.018. ISSN   0304-4017. PMID   15262008.