Live weight estimation from body measurements of swamp buffaloes (Bubalus B. Carabanensis)

Authors

  • Taweeporn Raungprim Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus, Nakhon Pathom, Thailand
  • Wisut Maitreejet Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus, Nakhon Pathom, Thailand
  • Sutisa Majarune Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus, Nakhon Pathom, Thailand
  • Sukanya Rattanatabtimtong Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus, Nakhon Pathom, Thailand
  • Phornon Thongphrai Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus, Nakhon Pathom, Thailand
  • Nachai Sarataphan Bureau of Biotechnology in Livestock Production, Department of Livestock Development, Pathum Thani, Thailand

Keywords:

Bubalus bubalis, buffaloes, live weight, estimation, body measurements, swamp buffaloes

Abstract

The objectives of this study was to select nonlinear regression model of relationship between body parameters and live weight of swamp buffaloes for live weight estimation. The animals of Department of Animal Science, Faculty of Agriculture at Kampaeng Saen, Kasetsart University, Kampaeng Saen Campus were used in this study. A total of 172 animals were 41 male and 131 female 0 to 25 months old of swamp buffaloes. Parameters of body measurements were shoulder height (SH), hip height (HH), shoulder width (SW), hip width (HW), body length (BL) and hearth girth (HG) were measured in centimeters during weighting. Three of nonlinear regression models including exponential, polynomial quadratic and power models were analyzed relationship between body parameters and live weight in each body parameter. The results revealed that power model gave the best fit model of HG and live weight relationship with highest R2 (0.9662, 0.9748 and 0.9702) in male, female and both sex of swamp buffaloes, respectively. In addition, percentage error and accuracy of 3 models were investigated between HG and live weight of swamp buffaloes (n=492). The result revealed that polynomial quadratic model showed highly accuracy (98.92%) between actual live weight and calculated weight from the equation of y = 0.0233x2 -2.9263x+129.81 with R2 value of 0.9678, when y = estimated live weight (kg), x = heart girth (cm). In conclusion, this model provides a highly reliable and accurate method for estimating weights of swamp buffaloes using a single heart girth measurement which can be easily obtained with a girth tape in the field work.

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References

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Published

2021-12-30

How to Cite

Raungprim, T., Maitreejet, W., Majarune, S., Rattanatabtimtong, S., Thongphrai, P., & Sarataphan, N. (2021). Live weight estimation from body measurements of swamp buffaloes (Bubalus B. Carabanensis). Buffalo Bulletin, 40(4), 583–590. Retrieved from http://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/4596

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