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Biological control of Haemonchus contortus infective larvae in ovine faeces by administering an oral suspension of Duddingtonia flagrans chlamydospores to sheep

Published online by Cambridge University Press:  05 June 2009

P. Mendoza de Gives
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México
J. Flores Crespo
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México
D. Herrera Rodriguez
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México
V. Vazquez Prats
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México
E. Liebano Hernandez
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México
G.E. Ontiveros Fernandez
Affiliation:
Proyecto Control Biologico, Centre Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, Instituto Nacional de Investigaciones Forestales y Agropecuarias, SAGAR, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, México, Apdo. Postal 206, CIVAC, Morelos, 62500, México

Abstract

A single oral dose of an aqueous suspension containing 11,350,000 chlamydospores of a Mexican isolate of Duddingtonia flagrans (FTHO-8) given to sheep, resulted in a maximum reduction of 88% (range 86.7–90.4%) of the population of Haemonchus contortus infective larvae in the faeces. The effect of this treatment continued for 4–5 days after administration of the suspension. The possible use of this treatment as a method of control of ovine haemonchosis is discussed.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 1998

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