welcome and congrats on the new addition, before you know it you will have another and another..
Kim is right please dont withhold food 12 week old puppies need as much as they can eat when ever they want but still make a big deal about feeding her 3 times daily so she becomes accustom to the routine ...another thing I would like to mention
NO eating the garden bark...bark dust is not something any dog should be eating...here in oregon many homes have hemlock bark ...which is poison....that being said the slivers down her throat are not be good either...