Ciencias Agropecuarias
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Item Caracterización ecográfica de las condiciones fisiopatológicas ováricas en vacas en período de lactancia temprana en el barrio San Juan del cantón Píllaro(2022-09) Robayo Arias, Diego Javier; Rosero Peñaherrera, Marco AntonioIn the present research work, the study of the cystic alterations that can be found through the application of gynecological techniques with ultrasonography in cows that present a history of infertility was carried out. The main objective was to characterize the conditions and alterations of the right and left ovaries of the cows that are managed in the San Juan sector of the Píllaro canton. When carrying out the work in the selected animals with problems in reproductive cyclicity, appropriate gynecological techniques were applied using ultrasonography to locate the internal structures of the reproductive apparatus of the cow, which allows determining and characterizing the different shapes and sizes of tissues, thus finding differences in echogenicity in the different histological sections of the structures present in the ovaries. The results determine that ovarian alterations due to luteal cysts partially affect the period of early lactation in postpartum conditions, the same ones that, when guided by ultrasound, show different shades of gray reflected on the ultrasound monitor, finding anechogenic or anechoic tissues that correspond to structures They are filled with liquid and are seen as black on the ultrasound screen and are characterized by being crossed by the waves, thus determining the cystic structures since they are filled with follicular liquid. In the same way, the analysis of results shows that the predominant type of cysts are follicular types, since cysts of this type correspond to 53.13% of the total sample under analysis, followed by luteal cysts with 31.25. % predominant and, finally, with the least predominance with ovarian atresia with just 15.63%. When analyzing the relationship between open days postpartum and ovarian alteration using the chi square method statistical, a bilateral significance value was obtained between the two variables of less than 5%, which indicates that the open days postpartum of the cows significantly influences in the presence of ovarian alterations, so in this calculation greater significance was found at 60 days postpartum