Check the video by clicking the link underneath:

Rennet does set milk – even if it is loaded with antibiotics

The same of course does not hold true for cultures used in cheese making, since they are bacteria as well – so the antibiotics will kill the good bacteria as well.   Rennet is an enzyme, so not affected by antibiotics.   The reason the milk is blue in the video, is because I used antibiotics used to treat udder infection in cows, so the antibiotic is dyed to see if it is still in the milk.

Buy rennet in South Africa from www.cheesemaking.co.za