Made available in DSpace on 2020-12-12T00:54:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-01-01; Background: Ultrasound allows the udder evaluation of lactating cattle, through parameters such as the area of the cistern of the mammary gland and teat, and can reveal structures with different echogenicity, indicating injuries as mastitis, edema, hematoma, abscess, atrophy and fibrosis in the mammary ...