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Dairy Anatomy
| Question | Answer |
|---|---|
| Name the 5 parts of the cow's digestive tract. | The mouth, esophagus, a complex four-compartment stomach, small intestine, and large intestine. |
| Rumen | Paunch |
| Reticulum | "Honeycomb" |
| Omasum | "Manyplies" |
| Abomasum | "True Stomach" |
| What side is the Rumen on? | The left |
| What is the largest of the four compartments? | The rumen |
| What is a pouch-like structure in the forward area of the body cavity? | The reticulum |
| Heavy and dense feed and metal objects go into which compartment. | The reticulum |
| Globe-shaped structure that contain leaves of tissues(like pages in a book) | Omasum |
| Hydrochloric acid and digestive enzymes needed for the breakdown of feeds, are secreted here. | Abomasum |
| What are tiny projections that increase the surface area and the absorption capacity in the rumen called. | Papillae |
| What holds 25 gallons or more of material? | Rumen |
| Which compartment is the only one with a glandular lining? | Abomasum |
| Tissues are arranged in a network resembling a honeycomb. | Reticulum |
| Absorbs water and other substances from the digestive contents. | Omasum |
| Which compartment acts as a storage or holding vat for feed? | Rumen |
| This compartment is comparable to the stomach of tae non-ruminant | Abomasum |
| This compartment is a fermentation vat. | Rumen |
| Collectively the reticulum and rumen are called | Ruminoreticulum |
| What in the rumen digests or ferments feed | Microbial population |
| The rumen absorbs most these that are produced from the fermentation of feedstuffs. | Volatile fatty acid |
| Which compartment is the closes to the heart? | Reticulum |
| Nails and other sharp objects may work into the tissue of the reticulum and cause this. | Hardware Disease |
| How can you prevent or correct Hardware Disease. | By a magnet or surgery |
| The small intestine measures about ____ times the length of the animal | 20 |
| What is the large area at the junction of the small and large intestine | Cecum |
| This is the last segment of the tract through which undigested feedstuff passes | Large intestine |
| What are the three sections of the small intestine | The Duodenum, Jejunum, Ileum |
| What is the primary digestive activity that occurs in the large intestine? | The absorption of water |
| What receives the secretion of the pancreas and the gallbladder, which aid digestion | Small intestine |
| Many nutrients are absorbed through _____ into the blood and lymphatic system | Villi (small finger-like projections) |
| Large quantities of gas, mostly carbon dioxide and methane are produced in the | rumen |
| The rumen is always | Contracting and moving |
| As much as 50 to 80 quarts can be produced and added to the rumen a day | Saliva |
| Rumination | Cud chewing |
| Eructation | Belching |
| A cow needs to remove 30 to 50 quarts per hour of the gas to prevent this | Bloating |
| Provides liquid for the microbial population, recirculates nitrogen and minerals, and buffers the rumen | Saliva |
| A cow may spend as much as 35 to 40 percent doing this a day | Rumination/Cud chewing |
| Healthy cows will have how many contractions of the rumen a minute | 1-2 |
| Do cow vomit | Rarely |
| Volatile fatty acid consist mainly of these three things | Acetic, Propionic, and Butyric acid |
| About 30-50 percent of the cellulose and hemicellulose are digested in the ______ by the microbial population | rumen |
| What are digested by the rumen microbes and converted into volatile fatty acid | Simple and complex carbohydrates |
| Volatile Fatty Acid are absorbed from the rumen into _____ and transported to ______. | Blood stream/ Body tissue |
| Volatile Fatty Acid are used as a source of energy for these four things | Maintenance, Growth, Reproduction, and Milk Production |
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4HwrightDairy