Biology:Eimeria arloingi

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Short description: Species of parasitic alveolate

Eimeria arloingi
Scientific classification edit
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Apicomplexa
Class: Conoidasida
Order: Eucoccidiorida
Family: Eimeriidae
Genus: Eimeria
Species:
E. arloingi
Binomial name
Eimeria arloingi
(Marotel, 1905) Martin, 1909

Eimeria arlongi is a species of Eimeria that causes clinical coccidiosis in goats.[1][2] It and Eimeria ninakohlyakimovae are two of the most pathogenic species for goats.[1] It is particularly prevalent in goat kids in Iran.[1] Issues with coccidiosis specifically due to Eimeria arloingi have also been reported in Egypt and Portugal.[3][4] It is unclear whether this species is present in the Americas as most of the case reports of coccidiosis in these areas do not differentiate the species causing the disease. Infections with this species are commonly compounded by infections with other Eimeria species in "mixed infections."[4] This species is closely related to Eimeria bovis and Eimeria zuernii which are both highly pathogenic in cattle'[5] Infections with this species are characterized by lesions specifically in the jejunum, but also the ilium and cecum which results in diarrhea.[6] Oocysts begin shedding between 16 and 18 days after the animal is infected which is when the parasite is spread.[6] The shedding can last as long as 15 days.[2] This parasite causes an immune response in its host that includes accumulation of fluid in body cavities, presence of large numbers of leukocytes in the small intestine, and necrosis of the tissue of the small intestine.[2] Pale yellow plaques (raised patches of epithelium) can be seen on the small intestine of severely affected kids at necropsy.[2]

Treatment

Possible treatments include decoquinate, lasalocid, sulfonamides, chlortetracycline, amprolium, monensin, toltrazuril, and diclazuril. Decoquinate, toltrazuril, and diclazuril act on Eimeria at all stages of life. Specific studies to determine the best treatment for Eimeria arloingi infections have not been performed. All treatments should be group treatment accompanied by movement of animals to a clean environment.[7] All treatment plans should be approved by a veterinarian.

References

  1. 1.0 1.1 1.2 "Genetic characterization and phylogenetic analysis of Eimeria arloingi in Iranian native kids". Parasitology Research 112 (9): 3187–92. September 2013. doi:10.1007/s00436-013-3494-0. PMID 23779225. 
  2. 2.0 2.1 2.2 2.3 "The life cycle and pathogenicity of Eimeria arloingi (Marotel, 1905) Martin, 1909, in Angora kids and an attempt at its transmission to lambs". Zentralblatt für Veterinärmedizin Reihe B 27 (5): 382–97. 1980. doi:10.1111/j.1439-0450.1980.tb01706.x. PMID 7445833. https://www.researchgate.net/publication/15752934. 
  3. "Eimeria species among sheep and goats in Suez Governorate, Egypt". International Journal of Veterinary Science and Medicine 6 (1): 65–72. June 2018. doi:10.1016/j.ijvsm.2018.02.004. PMID 30255081. 
  4. 4.0 4.1 "Eimeria infections in goats in Southern Portugal". Revista Brasileira de Parasitologia Veterinária 23 (2): 280–6. 2014. doi:10.1590/S1984-29612014051. PMID 25054515. 
  5. "Eimeria". http://parasite.org.au/para-site/text/eimeria-text.html. 
  6. 6.0 6.1 "Experimental caprine coccidiosis caused by Eimeria arloingi: morphopathologic and electron microscopic studies". Veterinary Research Communications 36 (1): 47–55. March 2012. doi:10.1007/s11259-011-9511-9. PMID 22127426. 
  7. "An overview of intestinal coccidiosis in sheep and goats". Rev. Med. Vet. (Toulouse) 167: 9–20. January 2017. https://www.revmedvet.com/2017/RMV168_9_20.pdf. 

Wikidata ☰ Q9251733 entry