Parasites of domestic and wild animals in South Africa. XXXIX. Helminth and arthropod parasites of Angora goats in the southern Karoo

Horak, I.G.; Macivor, K.M.; Greeff, C.J.

Onderstepoort Journal of Veterinary Research 68(1): 27-35

2001


ISSN/ISBN: 0030-2465
PMID: 11403427
Accession: 003518805

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Abstract
Parasites were collected from 160 Angora goats and kids on the Jansenville Experimental Farm, Eastern Cape Province. Six nematodes were identified to species level and 3 to generic level. Nematodirus spathiger was the most numerous of the economically important nematodes recovered. It was always present, and fourth stage larvae were collected from untreated goats from August to March, while animals used as tracers also picked up most infection from August to March. Kids born on the farm during October acquired their first nematode infections between 2 and 3 months of age and the intensity of infection increased erratically thereafter to reach a plateau once the kids were 14 months of age. Eight of the 9 kids between 3 and 5 months of age and examined between January and March were infected with Moniezia expansa. Five ixodid tick species were collected from the goats of which Rhipicephalus glabroscutatum was the most numerous and prevalent. Its immature stages were present mainly from March to September and adults from July to January. The goats also harboured the biting louse Bovicola limbata and the sucking louse Linognathus africanus. The greatest intensity of infestation with L. africanus occurred on the kids during the first few months of their lives. The larvae of the nasal bot fly (Oestrus ovis) were present in kids at 1 month of age, and infestation took place mainly from spring to late summer.