Studies on the Inhibition of Development of Ostertagia spp. in Lambs

1 September 1969

journal article
Published by Cambridge University Press (CUP) in Journal of Helminthology

Vol. 43 (3-4) , 287-292
https://doi.org/10.1017/s0022149x00004831

Abstract

Inhibition of development in the larvae of Ostertagia spp. infecting tracer lambs under field conditions shows a seasonal pattern (Connan, 1968) somewhat similar to that seen in O. ostertagi infections in calves (Anderson, Armour, Jennings, Ritchie and Urquhart, 1965). This finding also agrees with the seasonal appearance of dormant larvae in ewes (Soulsby, 1966; Connan, 1968) and one year old sheep (Parnell, 1962; James and Johnstone, 1967).

Keywords

OSTERTAGIA SPP
CONDITIONS SHOWS
SEASONAL APPEARANCE
OLD SHEEP
OSTERTAGI INFECTIONS
TRACER LAMBS
SEASONAL PATTERN

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