Method for the control of coccidiosis in poultry

Details Method for the control of coccidiosis in poultry Method for the control of coccidiosis in poultry

1983-04-27

1985-10-01

Rosen, Sam

Drug, bio-affecting and body treating compositions

Whole live micro-organism, cell, or virus containing

Genetically modified micro-organism, cell, or virus

A61K 3700

Patent

active

045445486

ABSTRACT:
Effective immunity against coccidiosis can be imparted to poultry if the birds are reared on a regular diet containing added viable sporulated coccidia oocysts at a level sufficient only to induce sub-clinical infection. Preferably the oocyst-containing diet is presented to the birds as soon as they are able to ingest solid food, and contains from 10 to 10,000 oocysts per kg of nutrient feed material. The simultaneous administration of an anti-coccidial drug at a curative level can help to control the immunity-producing infection. The oocyst-containing feedstuff of the invention can be prepared using solid free-flowing pre-mixes or aqueous concentrates, containing appropriate numbers of oocysts together with edible thickening agents. The oocysts can be protected against loss of viability through dehydration by being encapsulated. Growth of the immunized birds is sustained even when they are exposed to a severe oocyst challenge sufficient to induce serious infection in unimmunized birds.

REFERENCES:
patent: 3147186 (1964-09-01), Edgar
Hein-Vet. Bulletin, vol. 43, (1973), Abstract 4502.
Leathem et al.-Vet. Bulletin, vol. 38, (1968), Abstract 4499.
Leathem et al.-Vet. Bulletin, vol. 37, (1967), Abst. 3108.
Leathem-Vet. Bulletin, vol. 37, (1967), Abst. 520.
Joyner et al.-Parasitology, vol. 67, (1973), pp. 333-340.
Long-Span, vol. 20, (1977), pp. 26-28.
Joyner et al.-Parasitology, vol. 72, (1976), pp. 115-125.
"Factors Affecting the Transmission of Coccidia and the Development of Disease in Fowls", C. Horton-Smith published 1957 by Oliver & Boyd as Biological Aspects of the Transmission of Disease, pp. 35-41.
"Diseases of Poultry", H. E. Beister & L. H. Schwarte, 5th Edn., Iowa State University Press, 1965, p. 1063.

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