Effect of Tick Gut Extract on Protection of Cattle against Hyalomma anatolicum anatolicum
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effect of tick gut extract on protection of cattle against hyalomma anatolicum anatolicum
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full textImmunization of cattle against Hyalomma anatolicum anatolicum using larval antigens.
Development of immunity in cross-bred (Bos taurus x Bos indicus) calves against Hyalomma anatolicum anatolicum, vector of bovine tropical theileriosis, was studied using larval antigen (LS) in Freund's complete adjuvant (FCA). Calves immunized with LS + FCA showed significant rejection of larvae (57.25 +/- 6.8) and nymphs (45.75 +/- 5.16). Abnormally fed larvae (11.4 +/- 0.8) and nymphs (8.25 +...
full textHigh infection rates of the tick Hyalomma anatolicum anatolicum with Trypanosoma theileri.
A crossbred calf (3 months old) obtained from a farm where regular control of ticks was practised and found to be free of blood parasites was inoculated with 20 ml pooled blood collected from four field cattle which had very low Trypanosoma theileri parasitaemias (one parasite per 70 microl blood as determined by the haematocrit centrifugation technique). Trypanosoma theileri was present in the...
full textDetection of midgut antigens of Hyalomma anatolicum anatolicum tick using SDS-PAGE and Western blot
Ticks are important ectoparasites which are a considerable threat to human beings and to animals all overthe world. Enormous economic losses annually occur in livestock production around the world as a result oftheir existance. One of the ways to control ticks and tick-borne diseases is to introduce resistance to theseectoparasites through immunization. For identification of the putative protec...
full textOccurrence of morphologic variability in tick Hyalomma anatolicum anatolicum (Acari: Ixodidae)
BACKGROUND: Taxonomy and identification of the ticks in the genus Hyalomma, the most significant vectors of animal and human pathogen agents, have always been debatable. Scientists believe that variation within the taxa of the genus Hyalomma is the most important factor which causes misidentification. OBJECTIVES: The purpose of this study is to identify valuable characters for male H. anatolicu...
full textNatural infection rates and transmission of Theileria annulata by Hyalomma anatolicum anatolicum ticks in the Sudan.
Hyalomma anatolicum anatolicum nymphs were collected from two localities in the Sudan: Eddamer in Northern Sudan and Wad-Medani in Central Sudan. They were allowed to moult to adult ticks, which were assessed for Theileria infection in their salivary glands using Feulgen stain. At Eddamer, 49.6% of 123 ticks examined were infected with Theileria and the mean intensity of infection was 1.3 (i.e....
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Journal title
volume 57 issue 1
pages 105- 112
publication date 2004-07-01
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