| Literature DB >> 1000395 |
Abstract
Infection of parasite-free six to eight week old calves with doses of 50,000 mixed Ostertagia ostertagi and Cooperia oncophora larvae varying in age from seven to 42 days did not reveal a significant larval maturation requirement.Entities:
Mesh:
Year: 1976 PMID: 1000395 PMCID: PMC1277773
Source DB: PubMed Journal: Can J Comp Med ISSN: 0008-4050