Even if ACV isn't used, lacto-fermentation is a high acid product. The LABs produce lactic acid.
According to this site, zinc can be leached out of bowls by plain water:
Quote: http://www.birdsnways.com/wisdom/ww14eiii.htm
It goes on to say:
Quote:
There is a lot of information about zinc poisoning and the symptoms out there. You can google: zinc poison in chickens" which will bring up a lot of general bird information as well.
FYI: Just in case anyone was wondering, yeast fermentation creates an acid product as well (alcohol to acetic acid).
According to this site, zinc can be leached out of bowls by plain water:
Quote: http://www.birdsnways.com/wisdom/ww14eiii.htm
It goes on to say:
Quote:
There is a lot of information about zinc poisoning and the symptoms out there. You can google: zinc poison in chickens" which will bring up a lot of general bird information as well.
FYI: Just in case anyone was wondering, yeast fermentation creates an acid product as well (alcohol to acetic acid).