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Abstract

The experiment reported comprised 3 groups of calves, (+P2), (-P2) and (-P1), which all started their first grazing season as parasite-free calves. The (+P2) and (-P2) groups grazed for 2 seasons. In the first season the (-P2)-group of calves was grazing a pasture with no detectable...

Author(s)
Grønvold, J.; Nasen, P.; Gasbarre, L. C.; Christensen, C. M.; Larsen, M.; Monrad, J.; Midtgaard, N.
Citation
Acta Veterinaria Scandinavica, 1992, 33, 4, pp 305-316
Abstract

Studies have shown that the number of gastrointestinal nematode eggs release per gram of faeces (EPG) of calves is strongly influenced by host genetics. The purpose of this study was to determine if host genetics also influenced immune recognition of parasite antigens in these same calves. Serum...

Author(s)
Gasbarre, L. C.; Leighton, E. A.; Davies, C. J.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 81-91
Abstract

A study was undertaken in Denmark to investigate whether experimental, mixed trichostrongyle infections of stabled calves prior to their first grazing season could confer sufficient immunity to significantly reduce egg excretion after turnout, and thereby prevent loss-producing infections later on. ...

Author(s)
Nansen, P.; Stefan, P. E.; Christensen, C. M.; Gasbarre, L. C.; Monrad, J.; Grønvold, J.; Henriksen, S. A.
Citation
International Journal for Parasitology, 1993, 23, 5, pp 627-638
Abstract

Serum anti-Ostertagia ostertagi and anti-Cooperia oncophora antibody responses were assessed in first season and second season calves grazing permanent paddocks. Calves without previous exposure to trichostrongyles were found to mount significant parasite-specific IgG1 antibody responses within two ...

Author(s)
Gasbarre, L. C.; Nansen, P.; Monrad, J.; Gronveld, J.; Steffan, P.; Henriksen, S. A.
Citation
Research in Veterinary Science, 1993, 54, 3, pp 340-344
Abstract

Partial genomic DNA libraries for Ostertagia ostertagi (Oo), Haemonchus placei (Hp), Cooperia oncophora (Co), and Oesophagostomum radiatum (Or) were generated and differentially screened with radiolabelled homologous and heterologous genomic DNA. Clones were identified from each species which did...

Author(s)
Christensen, C. M.; Zarlenga, D. S.; Gasbarre, L. C.
Citation
Experimental Parasitology, 1994, 78, 1, pp 93-100
Abstract

Cooperia oncophora is an important parasitic nematode of cattle with a wide distribution in temperate areas. Twenty Holstein nematode-naïve bull calves were experimentally infected with approximately 100,000 infective L3s and infection was allowed to progress for 7, 14, 28, 42 days, respectively....

Author(s)
Li, R. W.; Gasbarre, L. C.
Publisher
Elsevier, Oxford, UK
Citation
International Journal for Parasitology, 2009, 39, 7, pp 813-824
Abstract

Thirty-three colostrum-deprived Holstein bull calves (initial BW of 131±4 kg) were used to determine the effect of timing of anthelmintic administration relative to vaccination on antibody titer response to vaccine component antigens. When calves were at least 3 mo of age, they were sorted randomly ...

Author(s)
Schutz, J. S.; Carroll, J. A.; Gasbarre, L. C.; Shelton, T. A.; Nordstrom, S. T.; Hutcheson, J. P.; Campen, H. van; Engle, T. E.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2012, 90, 6, pp 1948-1954

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