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Informatization is an inevitable trend of livestock breeding industry development. The effective monitoring of environmental and growth information in the breeding process is helpful to realizing the production process with low cost, high efficiency, and comfortable income. In commercial farms, the intelligent information perception technology could auto-complete monitoring of massive information and provide technical support for liberating productivity, reducing cost, and increasing efficiency. This paper describes the main research methods of information perception technology, including sensor technology, image processing technology, audio processing technology, thermal infrared technology, for environmental monitoring, critical growth information perception of livestock, and disease warning in the livestock breeding process. The accuracy, validity, and generalization of current mainstream methods in this field were analyzed. The future research emphases of information sensing technology in the livestock breeding industry were summarized, and the future development direction was prospected. [ABSTRACT FROM AUTHOR]