Cookies on VetMed Resource

Like most websites we use cookies. This is to ensure that we give you the best experience possible.


Continuing to use  means you agree to our use of cookies. If you would like to, you can learn more about the cookies we use.

VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

Sign up to receive our Veterinary & Animal Sciences e-newsletter, book alerts and offers direct to your inbox.

Results per page:

Search results


Calves infected orally with third stage larvae of Ostertagia ostertagi or infected with adult O. ostertagi by direct transplantation into the abomasum had raised plasma pepsinogen activity, as did four-year-old dairy cattle challenged with O. ostertagi third stage larvae on five occasions. Using...

McKellar, Q. A.; Eckersall, P. D.; Duncan, J. L.; Armour, J.
Research in Veterinary Science, 1988, 44, 1, pp 29-32