How to cite: Wu, S. Z., Liu, M. Y., Song, Q. Q., Cheng, Y. F. Zhu, W. Y. and Dai, Z. L. (2021). Preparation and Nucleotide Extraction of Samples from the Pig Digestive Tract. // Microbiome Protocols eBook. Bio-101: e2003733. DOI: 10.21769/BioProtoc.2003733.