날짜 별 임상 증상에 따라 닭의 개체 별 점수를 구분하여 정상닭과 IB에 감염된 닭의 개체 별 소리를 분석하였다.
The individual scores of chickens were classified according to clinical symptoms by date, and the individual sounds of normal chickens and IB-infected chickens were analyzed.