AZ FFA Dairy Evaluation

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On the PDCA Dairy Cow Score Care, the category "feet and legs" accounts for how many points? Correct Answer: 15 Which one of the following is the largest dairy milk marketing cooperative in the US... ? Correct Answer: Dairy Farmers of America When comparing bulls for artificial insemination, what does "SCR" stand for? Correct Answer: Sire Conception Rate Which one of the following is not classified as a water-soluble vitamin? Correct Answer: Vitamin A When using sexed semen, conception rates are about what percent of the conception rates achieved when using unsexed semen under the same conditions? Correct Answer: 80% In the ruminant digestive system, which of the following is the name of the first section of the small intestine that is connecting to the abomasum? Correct Answer: duodenum Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids, we can decrease the crude protein content of the ration and reduce which of the following? Correct Answer: nitrogen excretion to the environment In order to prevent bloat, the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat? Correct Answer: alfalfa and clover Rumen bacteria enable dairy cattle to utilize which feed supplement? Correct Answer: urea Heritability for milk production in dairy cattle is: Correct Answer: 30% If the heat detection rate is 30% and the conception rate is 30%, the pregnancy rate is: Correct Answer: 9% Which of the following are the three primary volatile fatty acids (VFAs) produced in the rumen? Correct Answer: acetate, propionate, and butyrate Which of the following is an infectious disease? Correct Answer: ringworm What female hormone causes follicles to begin development? Correct Answer: follicle stimulating hormone In dairy cows, what is the name of the disease caused by the organisms Staph, Aureus, Strep, Uberis and Klebisella? Correct Answer: mastitis What stomach compartments are not developed in a newborn calf? Correct Answer: rumen and reticulum When compared to normal corn silage, brown mid-rib corn silage has more energy and higher digestibility. This is largely due to its lower content of what? Correct Answer: lignin Which of the following describes biotin? Correct Answer: a B-vitamin Material used in a footbath for cows with foot rot problems is: Correct Answer: copper sulfate Approximately how many gallons of blood pass through the udder for each gallon of milk produced? Correct Answer: 400 to 500 gallons Subcutaneous injections are placed: Correct Answer: under the skin Which of the following has the greatest impact on improving producer income? Correct Answer: decreasing SCC What class of nutrients are the highest in energy? Correct Answer: fats The normal lactation of dairy cows is how many days? Correct Answer: 305 What direction should calf hutches face in the winter? Correct Answer: south Milking time is best reduced by: Correct Answer: preparing cows properly How many hours does the egg have a fertile life after it is released before it must be fertilized? Correct Answer: 6-10 hours Generally, which group of animals on the farm will have the best genetics? Correct Answer: calves Which of the following describes the Cooperatives Working Together (CWT) program? Correct Answer: A national dairy farmer-funded program that is used to help stabilize milk prices Which dairy produc [Show More]

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