The objectives of this study were to characterize the endometritis induced in mares using color Doppler ultrasonography and traditional exams. Experiment 1. Mares (n=20) were submitted to intrauterine inoculation with Escherichia coli. Uterine evaluation was performed at M0 and M1. Experiment 2. Animals were divided into two groups: control group (n=10), and treated group (n=10) using phytotherapeutic solution. In both groups, the uterine evaluation was performed at time T1, T2, and T3. Experiment 3: Uterine evaluation was compared after antibiotic therapy, phytotherapy, and M0. For statistical analysis, the Tukey test, t Student, and Anova test were applied. Experiment 1. The mean values of vascularization at M1 were significantly higher than those obtained at M0 (P<0.05). Bacterial growth was observed in all samples collected. Experiment 2. The mean value of vascularization at time T1 in both groups was significantly higher (P<0.05) compared to M2 and M3. Experiment 3. After antibiotic therapy, the vascularization of the body and uterine horns was not equivalent to the vascularization presented at M0. We can conclude that it was not possible to correlate results obtained by color Doppler ultrasonography with the traditional findings for the diagnosis of endometritis.
RESUMO Utilizaram-se quatro garanhões nos meses de janeiro, abril, julho e outubro de 2016, em dois protocolos, em que: GI (n=4; 5mL de solução salina, i.v.) e GII (n=4; 5000UI de hCG, i.v.) e subdividiram-se esses protocolos em ciclos (C1 e C2), seguindo o esquema crossover, sendo: CI=animais 1 (GI) e 2 (GII), avaliados nos dias D1, D3 e D5, e animais 3 (GI) e 4 (GII), em D2, D4 e D6; CII= animais 1 (GII) e 2 (GI), em D1, D3, D5, e animais 3 (GII) e 4 (GI), em D2, D4 e D6. Realizou-se o tratamento em D1 e D2 de cada ciclo e a ultrassonografia testicular no modo color Doppler e Doppler espectral, uma hora antes de cada coleta de sêmen e imediatamente após. Avaliou-se: número de reflexo de Flehmen, de montas sem ereção, início da monta, tempo de reação à ereção e total da monta e análises de qualidade seminal. Estatisticamente foram utilizados os testes de qui-quadrado e ANOVA. Não houve diferenças estatísticas (P>0,05) entre os parâmetros analisados. Concluiu-se que uma única dose de 5000UI de hCG em garanhões não causou alterações significativas nos parâmetros avaliados em diferentes estações do ano.
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