Saw some old threads on SMF referencing this manual with broken links. Here is one that works. Good read...
https://netropolitan.co.nz/wp-content/uploads/2018/11/Chr-Hansen-Meat-Brochure-141009.pdf
https://netropolitan.co.nz/wp-content/uploads/2018/11/Chr-Hansen-Meat-Brochure-141009.pdf