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VetMed Resource

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

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Abstract

The MHC of cattle, known as the bovine leukocyte antigen (BoLA) complex, plays an integral role in disease and parasite susceptibility, and immune responsiveness of the host. While susceptibility to tick infestation in cattle is believed to be heritable, genes that may be responsible for the...

Author(s)
Untalan, P. M.; Pruett, J. H.; Steelman, C. D.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2007, 145, 1/2, pp 190-195
Abstract

This report is designed to provide additional information regarding larval soluble proteins toward the planned development of a comprehensive database of Rhipicephalus (Boophilus) microplus proteins that elicit a humoral immune response in cattle as a result of natural ectoparasite infestation....

Author(s)
Pruett, J. H.; Olafson, P. U.; Davey, R. B.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2008, 155, 3/4, pp 264-272
Abstract

This study was designed to define lower thermal limits for H. lineatum egg development. The data collected in this study suggested that embryonic development was prolonged as temperature was lowered. No hatch was observed when eggs were incubated at a constant temperature of 20°C. Measurements of ...

Author(s)
Pruett, J. H.; Kunz, S. E.
Citation
Journal of Medical Entomology, 1996, 33, 6, pp 976-978
Abstract

In this study, potential vaccine candidate immunogens were identified and evaluated in a vaccine challenge trial. Hereford calves vaccinated with a partially purified fraction of P. ovis-soluble proteins had 8 of 14 calves free of palpable lesions 8 weeks after a challenge infestation. A...

Author(s)
Pruett, J. H.; Temeyer, K. B.; Fisher, W. F.; Beetham, P. K.; Kunz, S. E.
Citation
Journal of Medical Entomology, 1998, 35, 5, pp 861-871
Abstract

Three experimental infestations of a herd of 27 cattle with H. lineatum are described during a 4-year period (1991-95). The mean percentage of survival of larvae during internal migration was 67.7% in the initial infestation. In the 2nd infestation 1 year later, the mean percentage of survival of...

Author(s)
Pruett, J. H.; Kunz, S. E.
Citation
Journal of Medical Entomology, 1996, 33, 1, pp 49-52
Abstract

The larvae of H. lineatum reside in a warble in the subcutaneous tissues of the backs of cattle during a portion of their life cycle. Inside the warble, the larva undergoes 2 moults to the 3rd instar. The development of the posterior spiracular plates of the 3rd instar of H. lineatum was observed ...

Author(s)
Pruett, J. H.; Kunz, S. E.
Citation
Journal of Medical Entomology, 1996, 33, 2, pp 220-223
Abstract

An inexpensive and efficient technique for collection and rearing of late-stage, 3rd-instar larvae of H. lineatum is described. Yearling calves were maintained in individual stalls with expanded metal floors. Larvae exited the back tissues naturally and fell through the expanded metal floors and...

Author(s)
Pruett, J. H.; Kunz, S. E.
Citation
Southwestern Entomologist, 1997, 22, 2, pp 201-206
Abstract

Hypodermin A, a serine protease of the 1st-instar larva of the common cattle grub, Hypoderma lineatum, when formulated with complete Freund's adjuvant and administered to naive calves, will elicit protective immunity defined by an increase in in vivo larval mortality. This study evaluated 2...

Author(s)
Pruett, J. H.; Stromberg, P.
Citation
Veterinary Parasitology, 1995, 58, 1/2, pp 143-153
Abstract

Cattle are known to acquire immunological resistance to hypodermyiasis by repeated exposure to both H. lineatum and H. bovis. Vaccination of cattle with purified proteins of H. lineatum, particularly hypodermin A, is known to protect cattle against hypodermyiasis by this species. The development of ...

Author(s)
Pruett, J. H.; Scholl, P. J.; Temeyer, K. B.
Citation
Journal of Parasitology, 1990, 76, 6, pp 881-888
Abstract

The kinetic development of serum antibodies to purified proteins of Hypoderma lineatum was monitored in vaccinated and non-vaccinated cattle infested with the oestrid. The efficacy of these purified proteins as a candidate vaccine was also evaluated. The vaccination of previously uninfested cattle...

Author(s)
Pruett, J. H.; Barrett, C. C.; Fisher, W. F.
Citation
Southwestern Entomologist, 1987, 12, 2, pp 79-88

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