| 摘要 |
Process for preparing raw hide having a coating containing, at least one inorganic pyrophosphate compound, comprising: (a) subjecting raw hide to a liquefied coating material containing at least one inorganic pyrophosphate compound, thereby, forming a coating of such liquefied coating material on the raw hide; and (b) drying the raw hide having a coating containing said at least one inorganic pyrophosphate compound. The raw hide having a coating containing at least one inorganic pyrophosphate is chewed and/or eaten by dogs, with the result that tartar accumulation on their teeth is reduced or prevented.
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