Exames complementares no diagnóstico sanitário de um sistema de criação de bezerros

Abstract

The main health problems of a system of calves are Sadness Parasitic Bovine (TPB), the eimeriosis the Cryptosporidiosis and helminths. To search the distribution of disease in a breeding heifers completing the tests were used: analysis of the total protein (PPT), Volume Globular (VG), Riquetsemias and parasitaemia of TPB agents in blood smears tail tip, Score of ticks and score of stool, OPG (eggs per gram of feces), OOPG (oocysts per gram of feces) and inspection of the property. The lowest average values for PPT occurred in the animals of group B3 (31-50 days) and B4 group (51-75 days), phase in which they gave the fall of passive immunity. The riquetsemias for A. marginale ranged from 25.12% to 0.075%. Rickettsemia positive for A. marginale was observed in some animals from the B3 group (31-50 days), however most riquetsemias started in the post-weaning in group T1 (75-140 days), reaching a peak in the T2 group (150 to 210 days) and P4 (215-270 days), again reducing group suitable for inseminating heifers and absent in pregnant heifers. The highest score of tick and the fewest negative animals in the RIFI for A. marginale were important risk factors for infection by A. marginale. The highest average score of OPG was found in T2. On average count of OOPG there was no statistical difference between the groups (p> 0.05). The removal of Cryptosporidium sp only occurred in the B3 group (30-50) days. Complementary tests used were effective in assessing the health status of a breeding heifers, showing the stages where there are major diseases, the intensity of the same and the risk factors and may contribute to the adoption of control and prevention strategies.