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PubMed1987

Parasitic disease of the bovine nervous system.

Parasitic disease of the nervous system of cattle is mainly caused by migrating nematodes, expanding cestode cysts, or by rickettsiae and protozoa in the central nervous system. Common parasitic causes of neurologic diseases in cattle in the United States are Hypoderma larvae, toxins produced by Dermacentor ticks, and metabolic changes associated with intestinal coccidiosis.

Animals↗
PubMedDate not supplied

[Hygienic issues related with prevention of parasitic diseases].

Data on a wide spread of parasitic diseases among Russia's population are presented in the article. The contamination of soil, water-reserves' surfaces, drinking water, foodstuffs and of household goods with helminth ovum and with cysts of intestinal pathogenic protozoa was shown to play the key role in the discussed process. Therefore, hygienic measures targeted at preservation, environmental sanitation and protection of the environment from causative agents of parasites that would reduce or expel the risk of new contaminations should be regarded as the key trend in preventing the parasitic diseases.

Adolescent↗
PubMed1998

Candidate parasitic diseases.

This paper discusses five parasitic diseases: American trypanosomiasis (Chagas disease), dracunculiasis, lymphatic filariasis, onchocerciasis and schistosomiasis. The available technology and health infrastructures in developing countries permit the eradication of dracunculiasis and the elimination of lymphatic filariasis due to Wuchereria bancrofti. Blindness due to onchocerciasis and transmission of this disease will be prevented in eleven West African countries; transmission of Chagas disease will be interrupted. A well-coordinated international effort is required to ensure that scarce resources are not wasted, efforts are not duplicated, and planned national programmes are well supported.

Africa↗
PubMed1998

Secondary immunodeficiency in dogs with enteric, dermatologic, infectious or parasitic diseases.

A group of 238 dogs with various infectious and parasitic disease, in which suppressed activity of the immune system could e presumed, was examined using a set of immunological methods. The frequency and depth of immunosuppression and its association with certain infectious or parasitic disease were determined. Marked immunosuppression was found 62 (26%) of the dogs examined. Dogs with distemper, parvovirosis and German Shepherd dog pyoderma (GSP) were the most severely impaired. Dogs in acute phases of distemper or parvovirosis had decreased numbers and activity of lymphocytes and decreased immunoglobulin levels. Dogs with GSP had some of the following immunologic symptoms: inhibition of phagocytosis, reduced activity of lymphocytes, decreased levels of haemolytic complement and increased levels of immunoglobulin and lysozyme. A persistent immunosuppression was found in 12 dogs. These dogs were diagnosed with deep pyoderma, giardiasis, dermatophytosis or neoplasms. Although samples were not taken before the clinical diseases appeared, it can be presumed that some diseases caused immunosuppression (distemper or parvovirosis), and for other diseases immunosuppression was a predisposing factor (dermatophytosis, giardiasis and possibly GSP).

Animals↗