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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Dendrogram of PFGE profiles of 118 Salmonella strains. The analyzed strains were isolated from 28 hatcheries in 9 cities of Henan province, including 115 of 120 isolates, and three strains, including one S. Blegdam and two S. Enteritidis, were added for expanding analysis.