Microbiology overview Lecture #8 p.210-233

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Ruminant digestion:

Rumen, reticulum, omassum, abomassum

Fistula studies

Innoculation of best strains for cellulose degradation

Monensin (CO2;CH4 minimized), volatile fatty acids, microbial dead bodies

Creating/studying synchronous cultures

Exponential growth; growth phases; death phase studies

Chemostats, turbidostats, and windshield wipers

Oxygen: advantageous/necessary/toxic

Liebig's "law" of the minimum: "...growth of a plant is dependent on the amount of foodstuff that is presented to it in minimum quantity."

http://www.microsoil.com/liebigs_law_of_the_minimum.htm

Selenium: toxic (teratogenic), essential, or anticancerous?

Cardinal growth temperatures

Total counts (dry weight, turbidity, microscopic enumeration, electronic)

Viable count (pour plate, spread plate, membrane filtration, MPN)

What's going to be on the test?