1. Describe briefly the pathological lesions observed in a sheep liver which has suffered chronic fasciolasis. (10 marks)
2. Outline five major factors that affect survival of nematode larvae in the environment. (5 marks)
3. State two nematodes (genus and species) affecting the abomasums of sheep and the main pathological effects caused by each. (5 marks)
4. State three larvae of tapeworms that affect ruminant animals and the pathogenic effects caused by each. (5 marks)
5. Explain briefly three major procedures used for diagnosis of nematode infestation in livestock. (5 marks)

 

 

 

 

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