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Article
Chorioptic Mange (Acarina: Psoroptidae) in Domestic and Wild Ruminants in Israel
In a 20-year-survey, 9364 dairy cattle in 324 herds kept under a zero-grazing management, 1252 beef cattle in 46 herds grazing all the year round, 3347 sheep in 134 herds (only 26 are grazing herds), and 872 g...
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Article
Attenutation of Babesia ovis by rapid successive passages in splenectomized lambs
Sheep babesiosis, caused by Babesia ovis (Babes, 1892) is one of the most important sheep diseases in the Mediterranean zone, as well as in other infected areas infested by the vector tick Rhipicephalus bursa ...
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Article
The seasonal occurrence of ticks (Acari: Ixodidae) on sheep and in the field in the Judean area of Israel
A 2 year survey of ixodid ticks in the Judean area of Israel between 1983 and 1985 showed that sheep were parasitized by the following species:Rhipicephalus sanguineus group (30.6%),Rhipicephalus bursa (25.3%),Ha...
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Article
Use of cerebellar brain smears in the diagnosis of babesiosis (Babesia bovis) in cattle
Cerebral and cerebellar smears were made from 4 animals acutely reacting toBabesia bovis and 94 animals free from clinical babesiosis. The brain smears were stained by the Giemsa method and examined for the prese...
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Article
Transmission of Mammalian Piroplasm by an Argasid Tick
IT is the accepted view that parasites belonging to the suborder Piroplasmidae Wenyon, 1926, are exclusively transmitted by “hard” ticks belonging to the family Ixodidae Murray1,2. Most piroplasms of domestic ani...
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Article
Digestive enzymes in “hard ticks” (ixodoidea, ixodidae)
The proteolytic activity of gut extracts prepared from Hyalomma excavatum female ticks was studied at different stages of blood feeding. Proteolytic enzyme activity was shown to be negligible in unfed ticks, incr...