期刊
COMPUTERS AND ELECTRONICS IN AGRICULTURE
卷 180, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compag.2020.105904
关键词
Milk yield prediction; Animal monitoring; Deep learning
This study introduces a deep learning model that can predict the entire lactation curve of dairy cows, outperforming baseline models and improving predictions during the first 26 days of lactation. The framework allows farmers to enhance total production forecast and optimal herd management, and can assist in detecting diseases early and improving animal monitoring systems. By incorporating health, reproduction events, and herd management, the model enables more accurate estimation of future earnings and costs.
Existing lactation models predict milk yields based on a fixed amount of observed milk production in early lactation. In contrast, this study proposes a model to predict the entire lactation curve of dairy cows by leveraging historical milk yield information observed in the preceding cycle. More specifically, we present a deep learning framework to encode the model inputs, predict the latent representation of the milk yield sequences and generate the corresponding lactation curves. Results show that the proposed framework outperforms the baseline models and that during the first 26 days of lactation, the model's predictions are more accurate than those of a state-of-the-art lactation model which is able to leverage the observed milk yields. As a result, the framework presented in this study allows farmers to increase their forecast horizon with respect to predicting its herd's total production and hence facilitates optimal herd management. Additionally, the model can be used to compare a cow's actual and expected milk yield over the entire course of the lactation cycle. This in turn can help to accelerate disease detection and enhance current animal monitoring systems. Finally, as the model incorporates the impact of health and reproduction events as well as herd management on the cow's productivity, future earnings and costs can be estimated more accurately.
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