Bioacoustics features as a tool for early diagnosis of pneumonia in riverine buffalo (Bubalus bubalis) calves

Authors

  • Indu Devi Livestock Production Management, ICAR-Central Institute for Research on Cattle, Meerut Cantt, Uttar Pradesh, India
  • Kuldeep Dudi Animal Nutrition Division, ICAR-National Dairy Research Institute, Haryana, India
  • Yajuvendra Singh Livestock Production Management, College of Veterinary Science and Animal Husbandry, UP Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan, Uttar Pradesh, India
  • Surender Singh Lathwal Livestock Production Management and In-Charge, Livestock Research Centre, Indian ICAR-National Dairy Research Institute, Haryana, India

Keywords:

Acoustic features, Calf, Murrah, Pneumonia, Voice, Buffaloes, Bubalus bubalis

Abstract

The present study was conducted to identify specific acoustic features which could be used as possible indicators for early diagnosis of pneumonia in buffalo calves. In pneumonia, change in elasticity and resonance of vocal sound producing organs occur which eventually affects the vocal signature of calves. Twenty Murrah buffalo calves’ voice was recorded during both healthy and pneumonia infected stage where pneumonia was confirmed by lung X-RAY radiography. From the recorded vocal sound, acoustic features viz. call duration (sec.), call interval (sec.), frequency (Hz), bandwidth (Hz) and peak amplitude (P) with their sub variants were extracted with the help of PRAAT 3.2.36 software. Out of these, call duration (sec.) (0.879± 0.29 v/s 0.689± 0.24), call interval (sec.) (0.288±0.059 v/s 0.107±0.047) and peak amplitude (P) (start (0.750 ± 0.118 v/s 0.435 ± 0.113), end (0.102 ± 0.045 v/s 0.508 ± 0.268) and maximum (0.938 ± 0.210 v/s 0.684 ± 0.480)) were found significantly (p<0.05) different between two groups. Rest acoustic features did not differ statistically between two groups. This study indicates that it is possible to discriminate pneumonia voice from normal/healthy voice by acoustic analysis and farmers can acquire an early warning of pneumonia infections in calves through this non-invasive method.

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References

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Published

2021-09-25

How to Cite

Devi, I., Dudi, K., Singh, Y., & Lathwal, S. S. (2021). Bioacoustics features as a tool for early diagnosis of pneumonia in riverine buffalo (Bubalus bubalis) calves. Buffalo Bulletin, 40(3), 399–407. Retrieved from https://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/2509

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