Prediction of first lactation 305-day milk yield in Karan Fries dairy cattle using ANN modeling

Authors:
Adesh K. Sharma;R. K. Sharma;H. S. Kasana
Affiliations:
School of Mathematics and Computer Applications, Thapar Institute of Engineering and Technology (Deemed University), Patiala 147004, Punjab, India;School of Mathematics and Computer Applications, Thapar Institute of Engineering and Technology (Deemed University), Patiala 147004, Punjab, India;School of Mathematics and Computer Applications, Thapar Institute of Engineering and Technology (Deemed University), Patiala 147004, Punjab, India
Venue:
Applied Soft Computing
Year:
2007

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Abstract

In this paper, an artificial neural network (ANN) model is proposed to predict the first lactation 305-day milk yield (FLMY305) using partial lactation records pertaining to the Karan Fries (KF) crossbred dairy cattle. A scientifically determined optimum dataset of representative breeding traits of the cattle is used to develop the model. Several training algorithms, viz., (i) gradient descent algorithm with adaptive learning rate; (ii) Fletcher-Reeves conjugate gradient algorithm; (iii) Polak-Ribiere conjugate gradient algorithm; (iv) Powell-Beale conjugate gradient algorithm; (v) Quasi-Newton algorithm with Broyden, Fletcher, Goldfarb, and Shanno (BFGS) update; and (vi) Levenberg-Marquardt algorithm with Bayesian regularization; along with various network architectural parameters, i.e., data partitioning strategy, initial synaptic weights, number of hidden layers, number of neurons in each hidden layer, activation functions, regularization factor, etc., are experimentally investigated to arrive at the best model for predicting the FLMY305. Also, a multiple linear regression (MLR) model is developed for the milk-yield prediction. The performances of ANN and MLR models are compared to assess the relative prediction capability of the former model. It emerges from this study that the performance of ANN model seems to be slightly superior to that of the conventional regression model. Hence, it is recommended that the ANNs can potentially be used as an alternative technique to predict FLMY305 in the KF cattle.