Haemoplasmas contain Eperythrozoon and Haemobartonella species, which are widespread causes of animal and human infections. These obligatory cell parasites were previously known as Hemobartonella; now hemotropic mycoplasmas. These bacteria are identified by the lack of cell wall and their small genome. The usual diameter is between 0.3 and1μm. Mycoplasmasarepolymorphi...

Haemoplasmas contain Eperythrozoon and Haemobartonella species, which are widespread causes of animal and human infections. These obligatory cell parasites were previously known as Hemobartonella; now hemotropic mycoplasmas. These bacteria are identified by the lack of cell wall and their small genome. The usual diameter is between 0.3 and1μm. Mycoplasmasarepolymorphi...

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Eperythrozoonosis of swine (also designated as porcine mycoplasmosis) is a disease of swine under stress, expressed as a febrile condition with development of an acute ictero-anemia. It is caused by Eperythrozoon suis and usually causes a subclinical infection with a latent carrier state that persists for extended periods. In China, this disease has gradually developed as an important intercurr...

During an 18-mo period (May 2002-November 2003), 10 animals in a herd of 19 reindeer (Rangifer tarandus) at the National Animal Disease Center (NADC) experienced episodes of anemia. Affected animals had histories of weight loss, unthriftiness, occasionally edema of dependent parts and moderate anemia characterized by microcytosis or macrocytosis, hypochromasia, schistocytosis, keratocytosis, ac...

The biology, veterinary importance and control of certain Nematocera are described and discussed. Culicoides spp. (family Ceratopogonidae) transmit the arboviruses of bluetongue (BT), African horse sickness (AHS), bovine ephemeral fever (BEF) and Akabane. Some other arboviruses have been isolated from these species, while fowl pox has been transmitted experimentally by Culicoides. These insects...