Prevalencia deCystoisospora suisen granjas porcinas intensivas de la región central de Venezuela

Facultad de Medicina Veterinaria y Zootecnica. Revista

Juan Carlos Pinilla¹  Natalia Da Silva Borges² 

[1] Facultad de Ciencias Agropecuarias, Programa de Medicina Veterinaria, Universidad de Santander. Lagos de Cacique, Bucaramanga (Colombia). Departamento de Producción Animal, Facultad de Agronomía, Universidad Rómulo Gallegos, Venezuela.;Laboratorio de Parasitología Animal, Facultad de Agronomía, Universidad Rómulo Gallegos, SanJuan de Los Morros, Venezuela.

关键词: Cystoisospora suis;    epidemiology;    herds;    swine;    Venezuela.;    Cystoisospora suis;    epidemiología;    granjas;    porcinos;    Venezuela;   

DOI  :  10.15446/rfmvz.v64n1.65811

学科分类：兽医学

来源: Universidad Nacional de Colombia * Facultad de Medicina

【 摘 要 】

It was carried out an investigation at the central region of Venezuela from January to June 2014 with the aim to determine the prevalence of coccidianCystoisospora suisin intensive swine herds. For parasitic determination 572 litters were selected with signsof diarrhea. Likewise, 1.712 fecal samples were also collected in mature pigs. Stoolsamples were cultured in a 2.5% potassium dichromate solution and later processedby coprological technique. The results of this investigation indicated thatC. suiswas observed in 55 herds (82.1%) and 210 litters (36.7%) with the highest prevalence values in first two weeks of age (P < 0.05). Regarding to mature pigs, there was a significant correlation (rho = 0.35; P < 0.05) among oocysts excretion in piglets and sows, suggesting that sows may act as infection sources. Sows parity was statistically correlated with the prevalence values in litters as in lactating sows (P < 0.05). This might indicate that as parity increase, prevalence decreases in these groups. Probably these findings are associated with unknown immunologic mechanisms. It is concluding thatC. suis  is broadly distributed in Venezuela and it could be controlled by improving conditions sanitary herd, however, non elucidated immunologic mechanisms might be involved in the protozoa transmission cycle.

【 授权许可】

Unknown