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Browsing by Author "Irvine, J."
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Changes in the zymogenic cell populations of the abomasa of sheep infected with Haemonchus contortus
Scott, I.; Stear, M.J.; Irvine, J.; Dick, A.; Wallace, D.S.; McKellar, Quintin (1998-06)The effects of dietary urea supplementation and of a 10-week trickle infection regime, simulating chronic exposure to Haemonchus contortus, on the zymogenic population of the abomasa of Hampshire Down lambs was examined, ... -
The distribution of pepsinogen within the abomasa of cattle and sheep infected with Ostertagia spp. and sheep infected with Haemonchus contortus
Scott, I.; Dick, A.; Irvine, J.; Stear, M.J.; McKellar, Quintin (1999-03-31)The effect of nematode infections on the production of pepsinogen by ruminants was investigated immunohistochemically and biochemically. Abomasal tissues were collected from parasite-naive cattle and sheep, from sheep ... -
Regulation of egg production, worm burden, worm length and worm fecundity by host responses in sheep infected with Ostertagia circumcincta
Stear, M. J.; Bishop, S. C.; Doligalska, M.; Duncan, J. L.; Holmes, P. H.; Irvine, J.; McCririe, L.; McKellar, Quintin; Sinski, E.; Murray, M. (1995-12)Following infection with Ostertagia circumcincta there was considerable variation in worm burdens, worm size and number of inhibited larvae even among sheep matched for age, sex, breed, farm of origin and history of parasite ...