Arrested development of bovine Ostertagia spp. and Cooperia spp. in New Zealand. Effect of temperature and duration of storage on infective larvae

Authors: Bisset SA
Publication: New Zealand Veterinary Journal, Volume 31, Issue 3, pp 32-34, Mar 1983
Publisher: Taylor and Francis

Animal type: Cattle, Livestock, Production animal, Ruminant
Subject Terms: Abdomen, Alimentary system/gastroenterology, Parasites - internal, Nematode, Research/development
Article class: Scientific Article
Abstract: Infective larvae of Ostertagia spp. and Cooperia spp. derived from naturally infected dairy calves were subjected to periods of storage of up to 16 weeks at 4°C or 15°C to determine if this treatment would influence their propensity for arrested development in previously worm-free calves. Results showed no significant increase in the propensity of Ostertagia spp. for arrested development in response to the treatments, but a small increase in the case of Cooperia spp.
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