Acquisition of immunity in cattle against the blue tick, Boophilus decoloratus

It is well known that ixodid ticks have the ability to induce immunity in their host. We demonstrate, for the first time, that the tick Boophilus decoloratus induced immunity in its bovine host, since the mean weight of engorged females fed on naive animals dropped from 201.5 mg, to 173.7 mg and 155...

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Bibliographic Details
Published in:Experimental & applied acarology 1991-04, Vol.11 (1), p.51-56
Main Authors: Rechav, Y. (Medical Univ. of Southern Africa, Medunsa (South Africa). Dept. of Biology), Clarke, F.C, Dauth, J
Format: Article
Language:English
Subjects:
Acari
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Blood Proteins - biosynthesis
BOOPHILUS DECOLORATUS
BOVIN
CATTLE
Cattle Diseases - immunology
Female
Fundamental and applied biological sciences. Psychology
gamma-Globulins - biosynthesis
GANADO BOVINO
IMMUNITE
IMMUNITY
IMMUNOGLOBULINE
IMMUNOGLOBULINS
INMUNIDAD
INMUNOGLOBULINA
Invertebrates
Ixodidae
PESO
POIDS
Protozoa. Invertebrata
Tick Infestations - immunology
Tick Infestations - veterinary
Ticks - immunology
WEIGHT
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Summary:It is well known that ixodid ticks have the ability to induce immunity in their host. We demonstrate, for the first time, that the tick Boophilus decoloratus induced immunity in its bovine host, since the mean weight of engorged females fed on naive animals dropped from 201.5 mg, to 173.7 mg and 155.3 mg, for females fed on calves previously exposed once and twice; respectively, to B. decoloratus infestations. Ticks which had been transferred from one individual host to another one were able to complete their feeding period on a sensitive host. Such ticks were significantly heavier (mean 245.2 mg) than those fed on a naive (mean 201.5 mg) host for the entire normal feeding period. A negative correlation between the mean weight of the engorged female ticks and the level of serum gamma globulins in the host was also demonstrated.
ISSN:0168-8162
1572-9702
DOI:10.1007/BF01193728