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| The mailbox price during June 2016 was greatest for dairy producers selling milk from which state(s)? |
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| examples of voluntary culling |
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Definition
low milk production
sold for dairy purposes |
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| Which state is in the top 6 of all U.S. states for numbers of dairy cows, annual yield of dairy cows, and annual milk production per state? |
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| What five states account for more than 50% of the total milk produced annually in the U.S. |
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Definition
| Idaho, California, Pennsylvania, New York, Wisconsin |
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Term
| Which two dairy breeds are known for their high milk fat production? |
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Definition
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| The National Dairy Promotion and Research Board is funded by a dairy "checkoff" program. All milk produced by U.S. dairy producers and that imported into the U.S. is assessed. Dairy farmers pay 15 cents and dairy importers pay 7.5 cents for every hundred pounds of milk T/F? |
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| Characterize the annual commercial disappearance of dairy products during the 33 years between 1980 and 2013 |
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Definition
| Increase in total milk disappearing from the shelf (sold) |
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Term
| do older cows produce more milk than younger |
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Definition
| Older cows generally produce more milk than younger cows because older cows have greater udder capacity and larger supportive glands and organs. (until age 4-5) |
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| Dairy production is important in all 50 U.S. states. In 2013, dairy production ranked nationally in what position in total farm income? |
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Definition
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| Several factors determine the price of milk received by dairy producers. Which of the following factors is not considered when pricing milk? |
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Definition
| Cost of producing milk by the dairy farmer |
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Term
| In most countries outside of North America, milk production is measured in liters or kilograms (1 liter equals about 1 kilogram of milk). So a really good cow in the U.K. that produces 12,000 kilograms of milk annually, is producing approximately 26,455 pounds or 3,076 gallons of milk T/F? |
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| Judge this class of 5-year-old Holstein cows and provide your placing (e.g., 1-3-2-4, means that you placed cow 1 over cow 3 over cow 2 over cow 4). |
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Term
| When judging the udder of the cow according to the Dairy Cow Unified Score Card, which udder trait should be given the greatest priority for consideration? |
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Definition
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| Based on a comprehensive study of all Canadian Holstein cows classified from 2003 to 2007, longevity of dairy cows was related to |
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Definition
| Udder and feet and leg traits |
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Term
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Definition
| means to evaluate various traits of the cow by scoring them over a range of 50 points. These scores then allow the determination of relationships or correlations between type and production traits |
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Term
| At maturity, this cow should weigh at least 1200 lb, in coloring, be cherry red, mahogany, or brown with white, and has ancestors in Europe |
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Definition
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| A Kansas Holstein cow calved in October (48 months of age), was milked 3X daily, and produced 32,500 lb of milk in 360 days. What is her standardized 305-2X-ME milk record (round to nearest pound)? |
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Definition
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| Use the DHI records. What was the average 305-2X-ME (Proj. 305 Day ME) fat production (lb) for cows in their first lactation? |
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Definition
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Term
| On average, higher-producing herds that use the DHI testing program generally have greater income-over-feed costs. T/F? |
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Definition
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| Use the DHI records. What is the average summit milk (lb) yield for all cows (all lactations) in the herd? (Definition of average summit milk: Of the first three test day milk production records, summit milk is the average of the two largest records.) |
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| Use the DHI records. How many cows are between 101 and 199 days in milk (stage of lactation) and what is their current average daily milk production? |
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Definition
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| Use the DHI records. Which cow currently in milk on the DHI-220 has the greatest income-over- feed-cost (Income/Feed Cost) for lactation-to-date? Why would a cow have a negative income-over-feed cost? (Answer: she is dry and not producing milk on the test day) |
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Definition
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| Use the DHI records. What was the average number of days dry for cows in their second lactation? Why are no data for cows in lactation 1? (Answer: First-lactation cows were not milking before their first calving [i.e., they were gestating heifers]) |
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| Using the DHI-220 report. How many cows on this page are confirmed pregnant? |
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| Use the DHI records in the Class Materials (pp 32-34). What was the rolling yearly herd average milk production (lb) for the K-State herd on November 16, 2015? |
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Definition
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| Nearly 80% of dairy cattle are inseminated artificially compared with only 5% of beef cattle in the U.S. Because superior genetics are commonly available as a result of wide-spread use of artificial insemination in the dairy industry, the major differences in milk production between low and high milk-yielding herds are the result of: |
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| Use the DHI records. What was the projected minimum calving interval for cows in their second lactation? |
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Definition
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Term
| Use the DHI records. What was the age of cow #4324 when she last calved or freshened? |
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Definition
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| Use the DHI records. What percentage of female calves were born to heifers (dam's lactation number = 1) and older cows (2+) during the last 12 months? Use all calves in your calculations whether born dead or alive. (The two percentages differ because we are using sexed- or gender-biased semen when inseminating heifers and conventional semen when inseminating cows.) |
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Definition
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| Use the DHI records. How many heifers and cows are expected to calve during the month of Jan? |
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Definition
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| Calving ease information available in the Council on Dairy Cattle Breeding Sire Summaries is released three times annually in February, August, and December. Calving ease information is important when considering the potential sire mates for: |
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Definition
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Term
| Use the DHI records. What were the two largest causes for cows leaving the herd during the last 12 months in this report? |
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Definition
| reproductive failure and low production |
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Term
| Use the DHI records. Which of the individual cows shown on page 33 (DHI-220 form) is confirmed pregnant with a projected due date of December 16, 2016? |
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Definition
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Term
| Place in order the priority of nutrient use in fulfulling requirements for dairy cows (i.e., in the face of limiting nutrients in the diet, what net energy requirements will be met first, second, and then third as sufficient nutrients are available) |
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Definition
| 1-NEmaintenance, 2-NEgrowth, 3-NE-milk production |
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Term
| A cow was open for 155 days after calving until she conceived and had a dry period of 55 days. How many days was her lactation (assume gestation length was 280 days)? |
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Definition
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| Milking speed is determined by the resistance of the teat-end spinchter muscles to the actions of the milking machine. Faster milking cows have weaker teat-end spinchter muscles than slower milking cows (look again at Table 1 in Chapter 2). Which of the following is NOT true |
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Definition
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| One would expect the most residual milk when the cow is |
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Definition
injected with epinephrine before milking
milked out incompletely
excited and nervous while in the parlor |
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Term
| Proper milking should include some of the following procedures in their proper sequence |
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Definition
| hand strip a few streams of milk, apply predip, dry and clean teats with single-service towel |
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