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Chapter 1 History Questions Answer The dairy cooperative was in the U.S. was founded in Goshen, CT. What 1810 year did this happen? When was the first commercial cheese factory founded in New York? 1851 When was the Hoard’s Dairyman Magazine published? 1885 When was the Federal Milk Marketing Act passed? 1937 When was the PDCA (Purbred Dairy Cattle Association) Unified Dairy 1943 Cattle Scorecard first copyrighted? When was the National Dairy Shrine founded? 1949 When was bovine somatotrophin (BST), the first product for 1993 biotechnology in animals, was approved? When was the most recent version of the PDCA’s Unified Dairy Cattle 2009 scorecard published? Chapter 2 Matching Terms Answer ADA American Dairy Association ADSA American Dairy Science Association DHIA Dairy Health Improvement Association DHIR Dairy Health Improvement Registry PDCA Purebred Dairy Cattle Association Developed the butterfat test that was the basis for DHIA S.M. Babcock testing Received the first patent for condensed milk Gil Largest Dairy Cooperative in the US DFA (Dairy Farmers of America) Chapter 3 Questions: Breeds Answer Aryshire origin Scotland Holstein origin Netherland and Germany Brown Swiss origin Switzerland Milking Shorthorn origin England Which breed is known for its golden color? Guernsey Which breed produces milk with the highest protein and fat Jersey content? Holsteins make up _______% of the U.S. dairy population. 90% Which breed produces the most milk per cow? Holstein Chapter 4: Fitting and Showing Answer PDCA Scorecard Value: Udder 40% PDCA Scorecard Value: Frame 15% PDCA Scorecard Value: Feet and Legs 20% PDCA Scorecard Value: Dairy Strength 25% The three main udder supports are: Skin, Median Suspensory Ligament, and Lateral Suspensory Ligament Chapter 5: Calf and Heifer Management Answer Heifers account for _____% of the total farm expenses 15-20 ____________ accounts for 55-60% of the total cost of raising replacement Feed costs dairy heifers _____________ is a milk that is secreted during the first 2-3 days after Colostrum calving. What is the milk that contains antibodies and a higher amount of protein Colostrum that a calf should have for the first 3 days of its life? Chapter 6: Nutrition, Feeds and Feeding Answer A manture cow has ______ teeth, but no _______________ teeth. 32, upper lip Chewing is also known as ___________________. Mastication ________________ is the belching of gas by ruminant animals as a Eructation natural way for releasing gases produced during the fermentation process. A mature cow produces ______________ quarts of saliva per day. 50-80 True or False: The cow has 4 stomachs. False, it was 1 stomach with 4 compartments What are the names of the four parts of the ruminant stomach? Rumen, Reticulum, Omasum, Abomasum Largest part of the cow’s stomach _____________ is the stomach compartment located closest to the Reticulum heart. The primary function of the _____________is dehydration of feed. Omasum The primary process in the rumen is Fermentation The tiny, finger-like projections that line the wall of the rumen are Papillae called ____________________. Hardware disease occurs in which part of the ruminant stomach? Reticulum The ______________ is the enzyme and acid secreting portion of the Abomasum ruminant stomach. The average dairy cow drinks __________ gallons of water each day. 30-50 __________________ is the portion of a feed that remains after Dry Matter water has been removed by drying in an oven. Chapter 7: Lactation and Milking Management Answer The hormone that causes milk let-down Oxytocin The pituitary hormone that is critical in the initiation and Prolactin maintenance of lactation __________ and _________ are the ovarian hormones that are Estrogen and Progesterone involved in the development of the mammary gland. ____________ can interfere with milk ejection when a cow becomes Adrenaline frightened or upset. Cows will normally produce _________% more milk when milked 3 8-15 times a day to those milked twice a day. ______________ is the most costly disease in dairy cattle Mastitis An inflammation of the udder Mastitis Chapter 9: Misc. Answer State with the most milk production California State with the most dairy cows California State that produces with the most milk per cow New Mexico The number of dairy cows peaked in _____________. 1945 Approximately _________ lbs or blood are pumped through the 400 udder to produce one pound of milk. Chapter 10: Reproduction Answer The period of heat in dairy cattle Estrus The estrus cycle in dairy cattle is _____ days 21 days A _________ is a sterile heifer born as a twin to a bull. Freemartin Chapter 11: Health Answer Temperature of a cow 101.5 degrees F A disease that is caused by the bacterium Mycobacterium Johne’s disease paratuberculosis A deficiency of blood calcium related to an imbalance of calcium Milk Fever phosphorous and Vitamin D. A disease caused by diarrhea and dehydration Scours
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