Japanese Journal of Veterinary Research;Volume 18, Number 4

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STUDIES ON STRONGYLOIDIASIS OF THE PEACOCK : II. STRONGYLOIDES PAVONIS N. SP.(NEMATODA : STRONGYLOIDIDAE) FROM THE GREEN PEAFOWL PAVO MUTICUS LINNAEUS

SAKAMOTO, Tsukasa;YAMASHITA, Jiro

Permalink : http://hdl.handle.net/2115/1966
JaLCDOI : 10.14943/jjvr.18.4.163

Abstract

Numerous larvae of Strongyloides were obtained from the feces of a green peacock, Pavo muticus LINNAEUS. The bird was a young, male green peacock imported from Southeast Asia via Hong Kong into the Maruyama Zoo, Sapporo, on April 22,1962. Clinically, the bird was weakened and emaciated because of continuous diarrhoea and anorexia since its arrival. The fecal examination disclosed the presence of Strongyloides sp. together with Heterakis sp., Capillaria sp. and a cestode species. The bird, therefore, was treated with anthelmintics ; the result was reported by SAKAMOTO et al.(1964) and SAKAMOTO (1968). Adult parasitic females were obtained by this treatment. The parasites at the free-living stage, rhabditiform and filariform larvae and rhabditiform adults, were obtained by the cultivation of fecal materials. The infective larvae were given orally and subcutaneously to chickens. Gallus gallus domesticus (BRISSON) (white Leghorn and New Hampshire lines), Indian peafowls, Pavo cristatus LINNAEUS, Japanese quails, Coturnix coturnix japonica TEMMINCK et SCHLEGEL, domestic pigeons, Columba livia domestica LINNAEUS, domestic ducks, Anas platyrhyncha domestica LINNAEUS, Japanese tree-sparrows, Passer montanus kaibatoi MUNSTERHJELM, white mice, Mus musclus LINNAEUS (CF#1 strain), white rats, Rattus norvegicus BERKENHOUT (Wistar strain), and rabbits, Oryctolagus cuniculus domesticus (GMELIN). Among these, only the chickens and Indian peafowls were found to be infected with this parasite, and many adult, parasitic females were obtained from their caeca. We have succeeded in serial passages of the parasite using chickens and peafowls up to the present.

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