# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-03-13 12:15:40 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/10419519371) In reply to: [@bengoldacre](http://twitter.com/bengoldacre/status/10419191946) @bengoldacre @lecanardnoir Heard it was something to do with there being alot more calcium in dog food, so poo degraded to leave the calcium