Cattle respiration parameter detection device and respiration frequency determination system

The utility model discloses a respiratory parameter detection device and a respiratory frequency determination system for cattle, which have the advantages of simple structure and convenience in wearing. The cattle respiration parameter detection device comprises a woven belt, a piezoelectric sensor and a locking assembly. The woven belt is a double-layer elastic woven belt, the woven belt is provided with a first end and a second end which are opposite, the woven belt extends in the length direction of the woven belt, a first containing space is formed in the position close to the middle in the width direction, and locking parts for locking the first containing space are arranged on the two sides of the woven belt. And the piezoelectric sensor is arranged in the first accommodating space and is fixed by the locking part. And after the first end and the second end are overlapped for a preset distance, the first end and the second end are locked through the locking assembly. After being locked, the woven belt