The objective of this study was to evaluate the efficacy of toltrazuril (2.5)% and the combination of sulfadoxine and pirimetamine (500-25 mg) on the treatment of canine sarcocystiosis. The study was conducted from October 2005 until March 2006 in the Experimental Station of the IVITA Research Center, Maranganí, Cusco. A total of 15 crossbred puppies, both sexes, 2-4 months of age, that were dewormed and fed with a diet extent of meat were used. Puppies were infected with approximately 9,000- 10,000 cysts of Sarcosystis lamacanis present in 4-5 g of alpaca heart. Feces were daily collected and analyzed to observe the presence of sporocysts or oocysts. Then, were distributed in three groups of 5 animals each. One group remained untreated (as control) and the other two groups were daily treated during 10 days with 15 mg/kg of toltrazuril (2.5%) or the combination of sulfadoxine and pirime...

El objetivo del estudio fue evaluar la eficacia del toltrazuril (2.5%) y de la combinación de sulfadoxina y pirimetamina (500/25 mg) en el tratamiento de la sarcocistiosis canina. El estudio se realizó durante los meses de octubre del 2005 a marzo del 2006, en la Estación Experimental del Centro de Investigaciones IVITA, Maranganí, Cusco, perteneciente a la Facultad de Medicina Veterinaria, UNMSM. Se utilizó 15 cachorros cruzados de ambos sexos, de 2-3 meses de edad, previamente desparasitados y alimentados solo con concentrado. Todos ellos fueron infectados con aproximadamente 9,000-10,000 quistes de Sarcocystis lamacanis, presentes en 4-5 g de tejido cardiaco de alpaca. Las heces se analizaron diariamente hasta observar la presencia de esporoquistes u ooquistes de Sarcocystis sp. Posteriormente fueron distribuidos en tres grupos de 5 animales c/u. Un grupo control no tratado y dos...