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Granjas , manejadas dentro de intenso fluxo de producao, trabalham com taxas anuais de descarte relativamente elevadas (35-50%). Muitas femeas sao descartadas por problemas irreais. Esses podem ser oriundos de falhas humanas durante sua determinacao, levando a um aumento na taxa de renovacao do plantel, diminuicao da produtividade e, consequentemente, aumento dos dias nao produtivos e elevados custos. O objetivo do presente trabalho foi realizar uma analise observacional dos ovarios de leitoas descartadas por anestro ou estro atipico. O experimento foi realizado em dois frigorificos de abate de suinos, onde foram avaliados macroscopicamente os ovarios de 145 leitoas descartadas por anestro ou estro atipico. Os ovarios foram classificados em lisos ou com foliculos; com corpos luteos, e com corpos albicans e corpos luteos. Das 83 leitoas descartadas por anestro, 13% apresentaram ovarios lisos ou com foliculos, indicando que essas nao haviam ciclado na granja. Por outro lado, 83% das femeas apresentaram ovarios com corpos luteos e/ou corpos albicans, indicando que ja haviam ciclado na granja. Algumas femeas (4%) apresentaram ovarios policisticos. Das 62 femeas descartadas por estro atipico na granja, 2, 24% nao haviam ciclado na granja e 76% haviam ciclado, segundo a avaliacao de seus ovarios. Os resultados mostram que o acompanhamento ao abate, de femeas descartadas por falhas reprodutivas, permite verificar se as razoes do descarte condizem ou nao com o status fisiologico do trato reprodutivo. Ovarian monitorament at slaughter of gilts culled by anoestrus or atypic oestrus Abstract Intensively managed pig farms work with relatively high annual culling rate, between 35-50%. Many females are culled by causes unrelated to the suspected diagnosis. The problems can arise from human failure, leading to an increased herd replacement rate, decrease on productivity and consequent increase in non-productive days and raised costs. The objective of the present work was to perform an observational analysis of the ovaries of gilts culled by anoestrus or atypical oestrus. The experiment was carried out in two swine slaughterhouses where 145 ovaries of gilts, culled by anoestrus or atypical oestrus, were macroscopically evaluated. The ovaries were classified in: inactive or with follicles; with corpora lutea; and with corpora albicantia and corpora lutea. From 83 gilts culled by anoestrus, 13% presented inactive ovaries or with follicles, indicating that they had not cycled on the farm. On the other hand, 83% presented ovaries with corpora lutea and/or corpora albicantia, indicating that they had previously cycled. Some gilts (4%) presented policystic ovaries. From 62 females culled by atypical oestrus on farm 2, 24% did not cycle on the farm and 76% cycled, according to the ovary examination. The results show that a slaughter examination of gilts culled by reproductive causes, allow to assess if culling reasons correspond to the physiological status of the reproductive tract.

MONITORAMENTO OVARIANO AO ABATE DE LEITOAS DESCARTADAS POR ANESTRO OU ESTRO ATÍPICO