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• Opportunities of utilization of real-time ultrasound technique in beef cattle breeding

  45-52

  Sándor Harangi

  Andrea Radácsi

  Béla Béri

  Views:

  139

  The goal of the authors was to evaluate the repeatability and  accuracy of real-time ultrasound technique under Hungarian conditions. Ribeye area was measured at first time on live animals, before the day of slaughtering with Falco 100 ultrasound equipment in Charolais fattening bulls. Ultrasound pictures were traced at two times by the same operator. After slaughtering, ribeye area (REA) was measured on the carcass by planimeter at the same anatomical point like ultrasound measurements. Statistical analysis was carried out to examine the relationship between carcass and ultrasound REA. After it, repeatabilty was established by comparing the ultrasound pictures twice.

• Examination of repeatability of ultrasound scanning technique in young bulls

  43-48

  Sándor Harangi

  Béla Béri

  Levente Czeglédi

  Views:

  156

  The author’s goal with the methodology examination was to determine repeatability of taking and evaluating ultrasound images. In the trial an operator person took two images about the ribeye area and rump fat thickness (P8) of every young bull, which were measured by the same person in four repetitions. Also, we had altogether eight images about the same part of the body. Images were collected using Falco 100 (Pie Medical) real-time ultrasonic scanner equipped with an ASP 3,5 MHz, 18 cm linear array transducer.