Published on November 5, 2008
Ruminant Animals b.stev
THE RUMEN EACH millilitre of rumen digestive juice: 10 – 50 billion MICROBES 1 million PROTOZOA variable YEASTS & FUNGI environmen t of the rumen is ANAEROBIC fermentation process of digestion: helped by these MICROBES (Bowen, 2006)
EACH millilitre of rumen digestive juice:
10 – 50 billion MICROBES
1 million PROTOZOA
variable YEASTS & FUNGI
The interaction between the different species of microbes aid each in their metabolic processes WASTES that are produced from one species is the nutrient to the metabolism of another A complex FOOD web oseopgeus gases today’s hay grain & yesterday’s hay THE RUMEN (Bowen, 2006)
CELLULOLYTIC – DIGEST cellulose HEMICELLULOLYTIC – hemicellulose AMYLOLYTIC – starch PROTEOLYTIC – proteins SUGAR utilizers – simple saccharides AMMONIA producers VITAMIN synthesisers METHANE producers LIST of the MICROBES within: (Bowen, 2006)
CELLULOLYTIC – DIGEST cellulose
HEMICELLULOLYTIC – hemicellulose
AMYLOLYTIC – starch
PROTEOLYTIC – proteins
SUGAR utilizers – simple saccharides
THE RUMEN is acidic : ‘ BICARBONATE ’ - is produced in saliva helps to maintain equilibrium A COW produces 100 – 150 L per day chewed feed - periodically returned from the rumen mouth where it is chewed again
AN EXAMPLE: COWS fed with grains have considerably lower concentrations cellulolytic species (Wikipedia, 2008)
THE RUMEN pH is most favourable at : 6 – 7 severe pH fluctuations alter: microbe population INTRODUCTION : new feed must be done: – little and often ALLOW normal / gorge FEEDING DEPLETE A MICROBE TO EXTINCTION & SERIOUS HEALTH EFFECTS CAN OCCUR CARE is required : feeding the animal
Bibliography Wikipedia. (2008). Rumen – wikipedia, the free enclyclopedia . Retrieved September 28, 2008, from en.wikipedia.org/wiki/ Rumen - 35k - Bowen. R. (2006). Digestive physiology of herbivores . Retrieved September 28, 2008, from http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion /herbivores/index.html
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