Placing: 1 st 2 nd 3 rd 4 th
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1 2012 North Dakota FFA Convention Pedigree Evaluation [50 points] Given the following scenario, place the attached four (4) pedigrees in the order best suited to meet the long term goals of the purebred Holstein farm described in the following scenario. Scenario Browning Felbaum and Sons Dairy is a smaller family run dairy farm with interests in showing cattle at exhibition. They are planning to purchase some embryos to add to their genetics at an upcoming auction. After studying the sale catalog they have narrowed their choices to the embryos from the following four cows. All of the cows are bred to the same sire, Comestar Lee. It is important to their long range breeding plan that they do not increase the inherent inbreeding coefficient with the addition of these embryos. Furthermore they have defined a need to increase the longevity of the cows in their herd, which includes emphasis on feet and legs, and udder composite score, with special attention to the type production index. If the price to be paid is the same for the purchase of any of the embryos from these four cows, how would you rank the selection of these cows from which they would purchase embryos? Rank the cow pedigrees below according to the attached provided numbers ( ): Placing: 1 st 2 nd 3 rd 4 th Filename: 1a PedigreeQUIZ_2012 Page 1 of 1
2 2012 North Dakota FFA Convention Pedigree Evaluation [50 points] Given the following scenario, place the attached four (4) pedigrees in the order best suited to meet the long term goals of the purebred Holstein farm described in the following scenario. Scenario Browning Felbaum and Sons Dairy is a smaller family run dairy farm with interests in showing cattle at exhibition. They are planning to purchase some embryos to add to their genetics at an upcoming auction. After studying the sale catalog they have narrowed their choices to the embryos from the following four cows. All of the cows are bred to the same sire, Comestar Lee. It is important to their long range breeding plan that they do not increase the inherent inbreeding coefficient with the addition of these embryos. Furthermore they have defined a need to increase the longevity of the cows in their herd, which includes emphasis on feet and legs, and udder composite score, with special attention to the type production index. If the price to be paid is the same for the purchase of any of the embryos from these four cows, how would you rank the selection of these cows from which they would purchase embryos? Rank the cow pedigrees below according to the attached provided numbers ( ): Placing: _1 _2 _4 _3_ 1 st 2 nd 3 rd 4 th Cuts: Reasons: In a reasonably close top pair, 1 places over 2 because she scores higher in the preferred selection categories of feet and leg composite, udder composite score, and has the highest total performance index (TPI) in this class. In the middle pair, 2 not only had a higher classification score, but handily placed over 4 because she possesses a substantially more desirable feet and leg score, as well as udder composite, and TPI. In the bottom pair, I grant the higher classifying 3 cow shows more genetic potential until you acknowledge she is a descendant of Comestar Lee and would further contribute to the herd manager s concern about inbreeding. Cow 3 is the least desirable choice in this scenario. Despite her higher TPI score she does not meet the minimum selection requirement to avoid further inbreeding. Filename: 1b PedigreeKEY_2012 Page 1 of 1
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7 2012 North Dakota FFA Convention Dairy Cattle Contest Individual Dairy Herd Management Problem - Herd Record Evaluation EXAM [50 points] Use the accompanying Herd Summary DHIA 202 to answer the Champion Dairy Farms questions that follow. 1. This farm uses which DHI record plan? a. AM PM with time monitor b. Milk weights are obtained at am or pm milking alternating on consecutive tests c. Dairy Herd Improvement Registry testing d. Milk weights and samples are obtained from each milking in a 24 hour period 2. The total number of cows milking and dry in the herd on test day? a. 98 b. 85 c. 79 d Compared to the rolling annual herd average for cows owned this herd appears to be: a. Holding its own b. Expanding c. Reducing d. Selling out 4. The average pounds of milk produced for milking cows on test day? a. 62 b. 87 c. 72 d The total yearly pounds of protein production for the herd? a. 709 b. 964 c. 792 d The comparison of test day milk production to the most recent three milk shipments vary by how many pounds? a. 437 b. 453 c. 611 d What is this herd s targeted waiting period from freshening to first service? a. 50 b. 55 c. 60 d Based on the average days to first service the time to first breeding has? a. Not been achieved b. Decreased Page 1 of 3
8 c. On target d. None of the above 9. Which lactation group has the shortest days to first service is: a. First lactation b. Second lactation c. Third lactation d. Fourth lactation 10. What is the number of cows with days open to first service that are less than the voluntary waiting period for all lactations? a. 3 b. 2 c. 6 d What is the reported number of breedings for pregnant cows of second lactation? a. 2.5 b. 2.0 c. 2.8 d What is the current actual calving interval? a months b months c months d months 13. What is the herd s percent of successful services the past year for primiparous cows? a. 24 b. 32 c. 29 d The total number of cows reported pregnant one year ago from the date of this report? a. 44 b. 43 c. 48 d A higher percentage of female than male calves were born dead in the last year? a. True b. False 16. How many heifers are expected to calve in September? a. 6 b. 7 c. 14 d The average daily milk production (pounds) for mature cows including all stages of lactation is? a. 72 b. 68 c. 74 d. 81 Page 2 of 3
9 18. The average percent milk fat composition for third and later lactation cows? a. 3.9 b. 4.3 c. 4.1 d The number of cows reported with mastitis problems on test day that were in at least the last one third of lactation? a. 9 b. 6 c. 15 d What is the average age in months of first lactation animals at freshening? a. 23 b. 24 c. 25 d What is the data collection rating percent for accuracy of these lactation records for all cows that quality for inclusion in genetic analysis? a. 92 b. 102 c. 104 d Of the projected 305 ME 2X for fat with greater than 50 days in milk and one valid test day milk weight, which age group has the greatest difference from herd mates? a. First lactation b. Second lactation c. Third lactation d. Fourth lactation 23. What is the estimated value for the expected loss of pounds of milk estimated from the herd s current somatic cell count summary? a. $481 b. $819 c. $945 d. $ Of all the mature cows that left the herd, what was the most common reason for culling the animal? a. Reproduction failure b. Mastitis c. Disease d. Death 25. The lowest percentage of cows in this herd that were milking on test day was found in which month for the past year of testing? a. November b. September c. August d. June File: 2a HerdEvaluationQUIZ_2012 Page 3 of 3
10 2012 North Dakota FFA Convention Dairy Cattle Contest Individual Dairy Herd Management Problem - Herd Record Evaluation EXAM [50 points] Use the accompanying Herd Summary DHIA c 2. a 3. b 4. c 5. a 6. b 7. b 8. a 9. b 10. c 11. b 12. d 13. a 14. b 15. f 16. a 17. c 18. c 19. c 20. d 21. b 22. b 23. d 24. d 25. d File: 2b HerdEvaluationKEY_2012 Page 1 of 1
11 HERD SUMMARY DHI-202 REPRODUCTIVE SUMMARY OF CURRENT BREEDING HERD HERD CODE AND DATE TYPE OF RECORD SCHED TESTED ULING DAY ST. CO. HERD NO. MO. DAY YEAR P NORTH DAKOTA STATE UNIVERSITY BR. A OF TOTAL COWS IN COWS WITH NO SERVICE BREEDING HERD DATES OR DIAG. OPEN G DAIRY RESEARCH CTR HERD COWS BRED BUT E OPEN OPEN NUMBER P.O.BOX 6050 HO 45 NOT DIAG. PREG. VWP TO OVER DIAG. DAYS DAYS OPEN AT LAST SERVICE DHIR 1 FARGO ND TO VOLUNTARY 100 DAYS 100 DAYS OPEN FEWER THAN VWP TO OPEN OPEN WAITING VWP 100 DAYS 100 TO OVER 1ST 130 DAYS 130 DAYS SERVICE PRODUCTION, INCOME, & FEED COST SUMMARY PERIOD (VWP) NUMBER ELECTRONIC METERS COWS DESCRIPTION DAILY AVERAGE PER ROLLING YEARLY % OF COW ON TEST DAY HERD AVERAGES 55 BREEDING HERD TOTAL COWS REPRODUCTIVE SUMMARY OF TOTAL HERD NUMBER % NUMBER % COWS IN MILK DAYS OPEN AT 1ST SERVICE AVG. SERVICES PER PROJECTED SERVICE OR SERVICES FOR PAST 12 MONTHS MILK LBS. PREGNANCY MINIMUM HEAT INTERVALS (ALL COWS) ,844 NUMBER NUMBER NUMBER DAYS SERVICE NUMBER % SUC- SERVICE FAT LBS. FROM PREG. ALL CALVING DAYS NUMBER SERVICE CESSFUL SIRE (ALL COWS) FEWER OVER VWP TO TO 1ST THAN COWS COWS INTERVAL OPEN INTERVAL NUMBER MERIT $ FAT PERCENT VWP SERVICE 1ST DAYS DAYS LENGTH INTERVALS PROTEIN LBS. 2ND ST LACT (ALL COWS) PROTEIN PERCENT 2ND LACT LESS THAN 18 3RD MILK LBS. 3+ LACTS TOTAL (MILKING COWS) ALL MILKING ALL COWS COWS LACTS ABORTIONS THIS MONTH PAST YEAR % OF ALL CURRENT ACTUAL LBS. CONSUMED LBS CONSUMED %ENE 1ST SERVICES CALVING INTERVAL 14.4 OTHER 93 ACTUAL 2 SILAGE APPARENT OTHER LBS. CONSUMED LBS CONSUMED %ENE SUCCULENTS OR BLENDED RATIONS DRY FORAGE DAM'S OFFSPRING BORN TEST OBS. ESS- PREG. COWS LACT MALES FEMALES CALVING DIFFICULTY SCORE FUL LBS. CONSUMED LBS CONSUMED %ENE NUM. ALIVE DEAD ALIVE DEAD &5 % 4+5 MONTH DROPPED OTHER FEEDS PASTURE CONCENTRATES VALUE OF PRODUCT $ COST OF CONCENTRATES $ TOTAL FEED COST $ INCOME OVER FEED COST $ FEED COST PER CWT. MILK $ HEIFERS TO CALVE ASSOC. MISCELLANEOUS * ASSUMES 2.1 % PER MONTH CULLING RATE. HERD INFORMATION MILK BLEND PRICE DATE % % LBS. CONSUMED LBS CONSUMED %ENE BIRTH SUMMARY OF HEATS SUCC- PREG NUMBER NUMBER TOTAL NUMBER CONFIRM PREGNANT RATE SERVICES CALVING PER CWT %FAT %PROT PER CWT %FAT %PROT SHIPPED-TEST TEST DAY YEARLY DAY COMPARISON AVERAGE SUM OF TEST DAY WTS (LBS) REPORTED AV. 1ST OR DAILY BULK PRIOR AP TANK WTS (LBS) 2ND % DEVIATION 3RD COWS TO BE MILKING, DRY, CALVING, BY MONTH MONTH * MILKING DRY COWS TO CALVE YEARLY REPRODUCTIVE SUMMARY SAMPLES DRPC 103 RECV. AT LAB MAILED AVERAGES SUPV. MO. DAY MO. DAY TOTALS MILKING TIMES WGH SPL REMARKS: PASTURE (YES OR NO) DAYS %ENE TOTAL LBS. CONSUMED LBS CONSUMED %ENE , :40 AM Y N 3:05 PM Y Y APR MAY JUN JUL AUG SEP
12 IDENTIFICATION AND GENETIC SUMMARY HERDCODE DATE TESTED BREED STRING AGE NUM. IDENTIFIED BY NUMBER NO. ANIMALS AVERAGE MERIT $ HERD MERIT $ GENETIC PROFILE NUMBER AVG. AGE ID. WITH GROUP OPTION OF SERVICE SIRES HO ANIMALS YR-MO SIRE DAM CHANGES MERIT $ ANIMAL SIRE A.I. A.I. ^ ALL GENOMIC STAGE OF LACTATION PROFILE NM PROGENY OTHER TESTED TESTED A.I. BULLS STAGE OF LACTATION (DAYS) 13+ % OF HERD TOTAL BRED TO THRU THRU THRU THRU OR REPLACE- NUMBER OF AVERAGE MENTS BULLS USED 10 8 AVERAGE 1ST LACT ST LACT MERIT $ ND LACT 2ND LACT AV. PERCENTILE NUMBER RANK (NET MERIT) MILKING 3+ LACTS LACTS %NON-AI CURRENT SOMATIC ALL LACTS ALL LACTS CELL COUNT SUMMARY 1ST LACT %IDENTIFIED (PRODUCING FEMALES) NUMBER HEIFERS IN 13+ AGE HERD PRODUCTION MILK = AVERAGE DCR MLK 4,819 GROUP OVER 30 MONTHS OF AGE LOST FROM SCC DAILY 2ND LACT PRODUCTION BY LACTATION SUMMARY 102 THIS TEST PERIOD $ = 954 MILK 3+ LACTS PROD NUMBER AVG. DIFFERENCE % COWS SCC SCORE PEAK SUMMIT FROM BODY UCTION ALL LACTS OF AGE PROJ ACT 305 DAY HERDMATES 0,1,2, ,8,9 MILK MILK WEIGHT FAT % COWS MON. BELOW 142, , ,000- OVER 1ST MILK FAT PROTEIN MILK FAT PROTEIN 142, , ,000 1,130,000 1,130,000 LACT PROT % ST LACT % 2ND FAT % ND LACT FAT LACT PROT % LACTS & FAT % ALL LACTATIONS PROT. LACTS PROT % ALL FAT % YEARLY SUMMARY OF COWS ENTERED AND LEFT THE HERD LACTS PROT % COWS COWS NUMBER OF COWS LEFT THE HERD DRY COW PROFILE ENTERED LEFT HERD NUMBER NUMBER NUMBER INJURY 1ST LACT NUMBER DRY DRY DRY HERD DAYS LOW DAIRY REPO. MAST. UDDER FEET & OR DIS- DIED NOT DRY LESS DRY THAN OVER PROD. LEGS OTHER EASE RPTD SCC 2ND LACT PERIODS 70 DAYS NUM. % 40 DAYS DAYS NUM. % ACT 3+ LACTS ST LACT ALL LACTS ND LACT SCC NUMBER LACTS SCORE ALL > 3.9 PERCENT LACTATIONS WEIGHTED SCC (NEAREST 1,000) % LEFT HERD FOR INVOLUNTARY REASONS YEARLY PRODUCTION AND MASTITIS SUMMARY 26 SOMATIC CELL COUNT SUMMARY DATE DAYS NUMBER TEST DAY AVERAGES STANDARD- TEST TEST DAY AVERAGES ROLLING YEARLY NUMBER % COWS SCC SCORE IZED PERIOD OF IN COWS IN (MILKING COWS) (ALL COWS) HERD AVERAGE 0,1,2, ,8,9 AVG. WT. AVG. LEFT HERD TEST PERSIST. HERD ON 150 DAY % IN BELOW 142, , ,000- OVER SCC ACTUAL DAYS IN TEST PERIOD MILK MILK % FAT % PROT. TEST DAY MILK MILK INDEX MILK MILK FAT PROT. 142, , , M 1.13 M SCORE SCC DIED SOLD MONTH DROPPED AVERAGES TEST PERIOD AV. MILK LBS. ADDED TEST PERIOD AV MILK LBS. DROPPED 54.9
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