Veterinary B-ultrasound has been one of the veterinary clinical examinations often done, but the vet issued a check list is sometimes black and white B-ultrasound, and sometimes veterinary color ultrasound, for the owner of the sick animal in addition to the price of the two, the difference between them is not very clear.

Black and white animal B ultrasound and animal color ultrasound are not different in the color of the image, in fact, the "color" of animal color ultrasound and the "color" of color photos are not the same thing, and the image of animal color ultrasound is not necessarily color.

The difference between black and white animal B-ultrasonography and animal color ultrasonography is that black and white animal B-ultrasonography is an acoustic image that uses gray modulation to display the sound beam scanning the section of animal body. Animal color ultrasound is based on black and white B-ultrasound, the blood flow signal is processed by the color processor, and the blood flow direction and speed are generally displayed in three basic colors: red, blue and green. A two-dimensional image of the blood flow state, which can visually display the blood vessel distribution, blood flow direction, blood flow speed, etc. Relatively speaking, the B-ultrasound structure of black and white animals is simpler, with only 1-2 probes, and generally can only check the abdominal organs of animals. The structure of color B ultrasound is more complex, set large capacity computer, acoustics, radar technology, biotechnology, engineering mechanics, etc., there are 3-4 probes, in addition to examining the animal abdominal organs, but also to check the animal heart, skin superficial organs, blood vessels, tumors and so on. In addition, veterinary color ultrasound has 6 kinds of ultrasonic diagnosis methods, such as black and white veterinary B-ultrasound, color Doppler flow imaging, contrast ultrasound, and so on, it has the reputation of non-invasive angiography, and its image resolution is better than that of black and white veterinary B-ultrasound.

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