Figure 1. Heap-Lawrence Test. The principle of this simple but highly useful test is based on the premise that strains capable of growing and producing acid after repeated challenges against bacteriophages have innate phage resistance. Furthermore, by performing the phage challenge in a laboratory situation that mimics cheese making, it is predicted that these strains will behave similarly in an actual cheese production environment. Therefore, strains that "pass" the test could be used in industrial cheese manufacture.

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Brew Your Own Beer

Brew Your Own Beer

Discover How To Become Your Own Brew Master, With Brew Your Own Beer. It takes more than a recipe to make a great beer. Just using the right ingredients doesn't mean your beer will taste like it was meant to. Most of the time it’s the way a beer is made and served that makes it either an exceptional beer or one that gets dumped into the nearest flower pot.

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