"The Ministry for Primary Industries has received results confirming that the bacteria found in the whey protein concentrate (WPC) manufactured by Fonterra is not Clostridium botulinum. The organism is confirmed as Clostridium sporogenes. It is therefore not capable of producing botulism causing toxins.
"There are no known food safety issues associated with Clostridium sporogenes, although at elevated levels certain strains may be associated with food spoilage.
Pascal Drouin and Carole Lafrenière, Chapter 18 Clostridial Spores in Animal Feeds and Milk. in Narongsak Chaiyabutr (ed), Milk Production - An Up-to-Date Overview of Animal Nutrition, Management and Health. InTech, 2012. http://cdn.intechopen.com/pdfs/3 ... _feeds_and_milk.pdf
"A group of clostria species had been recognized as important milk contaminant." at page 376
"Clostridium sporogenes could be found in soil and manure." at page 378