PMID: 1210528Oct 31, 1975Paper

The location of Taenia pisiformis, Taenia ovis and Taenia hydatigena in the gut of the dog and its effect on net environmental contamination with ova

Zeitschrift Für Parasitenkunde
B J Coman, M D Rickard

Abstract

Autopsy of dogs 56 days after infection with either T. pisiformis, T. ovis or T. hydatigena showed that these worms could be found attached at any point along the length of the small intestine, but were most commonly in the anterior half. The mean relaxed lengths of T. pisiformis, T. ovis and T. hydatigena were 107 cm, 156 cm and 177 cm respectively. Attached gravid proglottides contained a mean of 41 000 eggs each in T. pisiformis, 31 000 eggs in T. hydatigena and 95000 eggs in T. ovis, whereas proglottides free in the gut contained means of only 1370, 500 and 1400 eggs respectively; therefore, the majority of eggs were released into the gut before segments passed out into the faeces. It was shown that eggs of all 3 species of worms hatched and activated in the small intestine of the dog, especially in the anterior half. Eggs of T. pisiformis which had been passaged through the intestine of the dog and stored in the faeces for 5 days were poorly infective for rabbits compared with eggs only stored in faeces. It was concluded, therefore, that during taeniid infections of dogs the point of apolysis in the gut plays a significant role in determining environmental contamination with eggs. Puppies which had been fed 10000 T. ovis e...Continue Reading

References

Jan 1, 1974·Zeitschrift Für Parasitenkunde·M D Rickard, P M Outteridge
Aug 1, 1969·Experimental Parasitology·D W Featherston
Aug 1, 1968·Experimental Parasitology·G F Laws

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Citations

Apr 1, 1980·International Journal for Parasitology·G R RajasekariahM D Rickard
Aug 1, 1993·International Journal for Parasitology·R B GasserP S Craig
Mar 1, 1992·Veterinary Parasitology·A KinderP S Craig
May 1, 1976·Australian Veterinary Journal·M D Rickard, J B White
Jul 21, 2010·Infection and Immunity·Abdul JabbarMarshall W Lightowlers
May 19, 2010·International Journal for Parasitology·Abdul JabbarMarshall W Lightowlers
Jun 1, 1985·Experimental Parasitology·G R RajasekariahI J O'Donnell
Mar 1, 1982·Parasite Immunology·R C ThompsonD A Pass
Nov 4, 2009·International Journal for Parasitology·Abdul JabbarMarshall W Lightowlers
May 1, 1976·New Zealand Veterinary Journal·J D KellyH V Whitlock
Jul 21, 1977·Zeitschrift Für Parasitenkunde·H Thomas, R Gönnert
Oct 1, 1989·Annals of Tropical Medicine and Parasitology·C N MacphersonH Watschinger
Oct 1, 1983·Annals of Tropical Medicine and Parasitology·P S Craig

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