Cited by 40Effects of Environmental Stressors on LivestockSmart Agriculture and AIBuilding Energy and Comfort Optimization

Artificial neural networks and multiple linear regression as potential methods for modelling body surface temperature of pig

Open access
Basak, Jayanta Kumar, Okyere, Frank Gyan, Arulmozhi, Elanchezhian, Park, Jihoon, Khan, Fawad, Kim, Hyeon Tae·2020·Journal of Applied Animal Research

Abstract

An experiment was conducted to evaluate modelling relationships between pig’s body surface temperature and ambient environment including inside and outside of pig barn. For this purpose, four different artificial neural network (ANN), including Feed Forward Back-propagation (FFB), Layer recurrent (LR), Elman (EL) and Cascade Forward Back-propagation (CFB) with different learning algorithms, transfer functions, hidden layers and neuron in each layer, and multi-linear regression (MLR) models have been performed to predict body temperature of pig. Six two-month-old pigs were studied over a period of 92 days during two years (2017–2018) to develop and evaluate the ANN and MLR models. The performance of the models in predicting pig’s body temperature was determined using statistical quality parameters, including coefficient of determination (R2), root mean square error (RMSE) and mean absolute percentage error (MAPE). The FFB model with the Levenberg-Marquardt training function, Gradient descent weight and bias learning function, Log-sigmoid transfer function and two hidden layers with 20 neurons was found as the best model. Sensitivity analysis indicated that the temperature-humidity index (THI) inside the room is the most influential factor in predicting pig’s body temperature in the MLR/ANN models.

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Crossref · 10.1080/09712119.2020.1761818

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Authors
Basak, J. K., Okyere, F. G., Arulmozhi, E., Park, J., Khan, F., & Kim, H. T.
Affiliations
  • Gyeongsang National University (KR)
  • Department of Bio-systems Engineering, Gyeongsang National University (Institute of Smart Farm), Jinju, Korea
Corresponding author
Kim, Hyeon Tae
Venue
Journal of Applied Animal Research
Published
2020-01-01
Volume
48
Issue
1
Pages
207-219
ISSN
  • 0971-2119 (ISSN-L)
  • 0974-1844
OpenAlex
W3026136812
Cited by
40
References
104
Citations by year
2026: 5 · 2025: 9 · 2024: 5 · 2023: 7 · 2022: 9 · 2021: 3
FWCI
3.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Applied Animal Research (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Smart Agriculture and AI
  • Physical Sciences › Engineering › Building and Construction › Building Energy and Comfort Optimization
Keywords
artificial neural networks, multiple linear regression, feedforward backpropagation, temperature-humidity index, barn environment, thermal comfort, Levenberg-Marquardt training

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