1 the act of burning something; the burning of leaves was prohibited by a town ordinance. 2  a process in which a substance reacts with oxygen to give heat and light.  a state of violent disturbance and excitement; combustion grew until revolt was unavoidable.
It is not the cow that digests the feed but the bacteria in the rumen, which does the most of this work. The rumen contains billion bacteria and more specially, 1 mL of rumen fluid contains 10-50 billion microbes and over 1 million protozoa. These bacteria attach to the feed particles to digest the feed.UMEN (picture 1) : This is the first compartment of the cattleâs stomach and where fermentation occurs, which allows for the digestion of fiber and other feeds. This is the largest compartment of the stomach and can hold up to 50 gallons of digested feed.
Also a balance of RDP, RUP, and nonfiber carbohydrates is needed. The nonfiber carbohydrates are sugars and starches and supply energy for microbes in the rumen. They complement the RDP, which must be converted to microbial protein to be used by the cow.Below is an indication of how the 2001 NRC model predicts utilization of the RDP and RUP in cows producing 77 lbs. of milk per day.dequate energy is needed in the rumen for efficient nitrogen utilization to occur. This energy mainly comes from sugars and starches plus some from fiber digestion. Of the RUP, 85% is absorbed. This emphasizes why RUP is important for efficient protein utilization.