Atlas of livestock parasites
digitized collection of microscopical preparations

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Cooperla pectinata (cattle)

Category:


Species:
Endoparasite


Description:
Untitled document

 

 

Cooperia pectinata

Small intestinal worm, cooperids, also known as cattle bankrupt worm

 

General Description:

Small reddish nematodes up to 10 mm long. Microscopically, the head looks swollen because of the dilated anterior end.

 

Life Cycle:

Eggs in feces may hatch in as little as 20 hours. Infective larvae can then develop within 4 days. Infective larvae are ingested by the host while grazing. The prepatent period is approximately 15 to 20 days.

 

Location:

Small intestine.

 

Geographical Distribution:

Worldwide.

 

Significance:

When worms are present in large numbers, young cattle may be especially affected, experiencing weight loss. Such animals exhibit poor utilization of feed, taking longer to reach market weight.

 

Effect on Host:

Adults penetrate the lining of the small intestine. Heavily infected young cattle may become anemic and lose weight.

 

Diagnostic Information:

Eggs, which appear in feces, are strongyle-type but thinner than most.

 

Control:

Pasture management and the administration of an anthelmintic are the current means of control.


Pictures:

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