Anaplasmosis Flashcards

Question	Answer		Article
What other names is Anaplasmosis commonly given?	Tick fever Gallsickness		Link to Article
What are the common Anaplasma spp. pathogens and which species do they affect?	A. marginale and A. centrale in cattle A. mesaeterum and A. ovis in sheep and goats		Link to Article
Which breed of cattle exhibit some resistance to tick infestation?	Bos indicus cattle		Link to Article
What age of cattle are most commonly affected by Anaplasmosis and why?	>9-12months old *Maternal derived immunity and age derived immunity protect them up to this point, so infection when young usually results in protective immunity.		Link to Article
What happens to cattle that recover from anaplasmosis?	they become carriers and the pathogen continues to replicate and develop within them, allowing them to transmit disease to other animals asymptomatically.		Link to Article
What are the common clinical signs associated with anaplasmosis?	Profound anaemia Tachycardia Dyspnoea Anorexia Mucoid diarrhoea Neurological signs – fasciculations, seizures, ataxia Abortion and infertility		Link to Article
What is classified as a positive result for anaplasmosis on a blood smear?	>5% red blood cells infected by Anaplasma spp. OR accompanying clinical signs of anaemia with the presence of Anaplasma spp.		Link to Article
How can vets transmit anaplasmosis between cattle?	Using instruments contaminated with blood from infected cattle on others.		Link to Article