Among them, the Doukkala area of Morocco, where the epidemiology and symptomatology of the disease were minutely studied.

Lymph nodes are commonly enlarged and there may be episodes of blood from the nose, difficulty breathing and weight loss.

[3] Other signs, but not present in all cases are : Lymph node enlargement and even hyperthermia can occur asymptomatically in enzootic area, during the disease season.

Clinical signs, including lymph node enlargement, anaemia, hyperthermia and history of tick infestation can lead to a suspicion of theileriosis Definitive diagnosis relies on the observation of the pirolplasm stages of the organism in the erythrocytes in blood smears stained with Romanowsky stains.

Lymph node aspirates can also be examined for the presence of 'Kock's Blue Bodies' which are schizont stages in lymphocytes.

[3] There are various options for controlling ticks of domestic animals, including: topical application of parasiticidal chemicals in dip baths or spray races or pour-on formulations, spraying parasiticides on walls of cattle pens, and rendering the walls of cattle pens smooth with mortar to stop ticks molting there.

Selection of cattle for good ability to acquire immune resistance to ticks is potentially effective.