Experimental Cerebrospinal Elaphostrongylosis (Elaphostrongylus rangiferi) in Goats: I. Clinical Observations

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Abstract
Clinical observations of 17 goat kids inoculated with 100-1000 infective larvae of Elaphostrongylus rangiferi and autopsied 21-154 days post inoculation (p.i.) are reported. Pruritus was common in the period 4-10 weeks p.i. Six animals displayed neurological signs starting 35 to 94 days p.i. The most frequent sign was posterior paresis. Other signs included cranial nerve paresis, ataxia, lameness, scoliosis, reduced vision, abnormal behaviour, depression and mental confusion. Recoveries were recorded. An apparent dose-response related eosinophilia was observed at days 14 and 32 p.i. None of the experimentally infected kids shed E. rangiferi first-stage larvae in the faeces, indicating that the nematode will not complete its life-cycle in goats.