ABSTRACT
Com o objetivo de avaliar o processo fisiológico da dinâmica de involução uterina em vacas da raça Guzerá, foram acompanhadas 19 vacas adultas no puerpério fisiológico em seis momentos, no parto e 7, 14, 21, 28 e 42 dias pós-parto (dpp), avaliando os parâmetros vitais, escore de condição corporal, exame ginecológico, avaliação ultrassonográfica e características e odor da secreção vaginal. Aos 42 dpp realizou-se a citologia endometrial pela técnica de cytobrush. Observou-se que aos 21 dpp, 100% das vacas apresentavam o útero na cavidade pélvica e tamanho compatível ao do órgão normal. Aos 42 dpp as vacas apresentaram 42,1% de taxa de ciclicidade e não apresentavam endometrite citológica, o menor resultado encontrado na literatura para raças de bovinos de corte.
The objective was to characterize the dynamic of physiological process of uterine involution in Guzerá cows. Nineteen cows were accompanied in physiological postpartum period, in six moments, partum and 7, 14, 21, 28 and 42 days in milk (DIM), which were evaluated the vital parameters, body condition score, gynecological examination, ultrasound assessment and evaluation of characteristics and odor of vaginal discharge. It was also collected samples for endometrial cytology by a cytobrush technique at 42 DIM. It was observed that at 21 DIM, showed 100% of the uterine up in the pelvic cavity, with a size compatible to the normal body. Cows didn't have cytological endometritis at 42 DIM, this data is the smallest found in the literature for breeds of beef cattle, and cows had a rate cyclicality of 42.1% at 42 DIM.