To provide a livestock barn panel which has required rigidity as a ceiling or wall of a livestock barn, which is excellent in antirust property to rain water, anticorrosion to alkaline atmosphere, and antibacterial property to animal, insect pest, and excreta of harmful animals in a livestock barn, and which is inexpensive, and a livestock barn construction method using the same.SOLUTION: A livestock barn panel 6 comprises: a flat plate-shaped antirust steel plate 7; a flat plate-shaped heat insulator 4 stuck to the antirust steel plate 7 by an adhesive; and an antibacterial board 8 which is stuck to the heat insulator 4 by an adhesive and comprises antibacterial property and anticorrosion.SELECTED DRAWING: Figure 1
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