Occurrences of anti-Toxoplasma gondii and anti-Neospora caninum antibodies in sheep from four districts of Tocantins state, Brazilian Legal Amazon Region

Toxoplasmosis and neosporosis have been recognized as economically important diseases with considerable impact on the livestock industry. Little is known concerning the occurrence of Toxoplasma gondii and Neospora caninum in sheep from Tocantins state, Brazil. Here, we investigated antibodies against these parasites and associated factors in 182 sheep from Araguaína, Santa Terezinha do Tocantins, Arguianópolis and Palmeiras do Tocantins districts, Tocantins. Sheep sera were assayed for T. gondii and N. caninum IgG antibodies by indirect fluorescence antibody test (IFAT), using cut-off point at a dilution of 1:40 and 1:25 respectively. The prevalence of seropositive animal for T. gondii was 13.74% and 13.74% for N. caninum. None of the characteristics studied including reproductive problems, presence of cats, presence of dogs and veterinary care (p>0.05) was associated with occurrence of T. gondii or N. caninum infection. Only breed was identified as associated factor for the occurrence of toxoplasmosis in sheep (p<0.05). The present study is the first report on serum occurrence of T. gondii and N. caninum in sheep from the state of Tocantins, Brazil.

Carte de la partie européenne de l'empire de Russie, avec l'indication des chemins de poste, ainsi que des douanes frontières et de la repartition actuelle en gouvernements et districts /

1 kartta kahdellatoista lehdellä :, käsinvär. ;, n. 136 x 158 cm, lehdet n. 34 x 52,5 cm

Resolución N° 0221 del 24 de septiembre de 2007 ¿Frente a un acto resgistrado derivado de una acción social de responsabilidad o un acto que pende de una decisión judicial, puede la Cámara abstenerse de realizar el registro? ¿es únicamente formal el control de legalidad que realiza la Cámara o también es sustancial?

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UANL

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