9_12 Agriculture AA22 - Animal Science II Test 1. Description: Test 55 Form: 501

Transcription

1 1. Report: District: Test: Test Answer Key Craven Description: Test 55 Form: 501 9_12 Agriculture AA22 - Animal Science II Test 1 From the table below, which nutrient requirement will have to be supplemented by a feed additive because the ration provides less than the animal needs? CCTE.9_12.AE.AA ) Calcium. Corn. (N Phosphorus. Soybean oil meal. CCTE.9_12.AE.AA ) Calcium. (N 3. From the table below, which nutrient requirement is provided in surplus from the ration? Corn. Phosphorus. Soybean oil meal. 2. From the table below, which nutrient is provided in the exact amount needed from the ration? CCTE.9_12.AE.AA ) Calcium. Corn. (N Phosphorus.

2 4. Soybean oil meal. From the table below, which nutrient requirement is NOT met by this ration? Lysine. Phosphorus. Soybean oil meal. 6. From the table below, which nutrient requirement is NOT provided in a sufficient amount from the ration? 5. CCTE.9_12.AE.AA ) Bromegrass hay Calcium Corn Phosphorus From the table below, which nutrient requirement is provided in the exact amount needed from the ration? (N CCTE.9_12.AE.AA ) Corn. Lysine. Phosphorus. Soybean oil meal. (N CCTE.9_12.AE.AA ) Corn. (N 7. Using the Pearson Square method, how many pounds of 10 percent protein corn and 45.2 percent protein cotton seed meal would be mixed together to make 2000 pounds of a 15 percent protein feed? (NCCTE.9_12.AE.AA ) 10 corn and 45.2 cotton seed meal. 15 corn and 15 cotton seed meal corn and 284 cotton seed meal.

3 2000 corn and 0 cotton seed meal. 8. Using the Pearson Square method, how many pounds of 8.9 percent protein corn and 45.8 percent protein soybean oil meal would be mixed together to make 2000 pounds of a 13 percent protein feed? (NCCTE.9_12.AE.AA ) 8.9 corn and 45.8 soybean oil meal. 13 corn and 13 soybean oil meal corn and 222 soybean oil meal corn and 45.8 soybean oil meal. 9. Using the Pearson Square method, how many pounds of 8.9 percent protein corn and 45.8 percent protein soybean oil meal would be mixed together to make 2000 pounds of a 14 percent protein feed? (NCCTE.9_12.AE.AA ) 0 corn and 2000 soybean oil meal. 0 soybean oil meal and 2000 corn. 276 corn and 1724 soybean oil meal corn and 276 soybean oil meal. 10. Using the Pearson Square method, how many parts of 45.8 percent protein soybean oil meal would be mixed with 32.8 parts of 8.9 percent protein corn to make a 13 percent protein ration? (NCCTE.9_12.AE.AA ) Using the Pearson Square method, how many parts of 8.9 percent protein corn would be mixed with 6.1 parts of 45.8 percent protein soybean oil meal to make a 15 percent protein ration? (NCCTE.9_12.AE.AA ) Using the Pearson Square method, how many parts of 8.9 percent protein corn and 45.8 percent protein soybean oil meal are needed to make a 14 percent protein ration? (NCCTE.9_12.AE.AA ) 5.1 parts corn and 31.8 parts soybean oil meal 5.1 parts soybean oil mean and 31.8 parts corn 8.9 parts corn and 45.8 parts soybean meal 14 parts corn and 14 parts soybean oil meal 13. The rule of thumb is that a poultry ration is about: (NCCTE.9_12.AE.AA ) 1 percent of body weight. 5 percent of body weight. 10 percent of body weight. 25 percent of body weight. 14. The rule of thumb for feeding swine is that compared to market hogs, pigs weighing less than 50 pounds and sows that are nursing pigs require: (NCCTE.9_12.AE.AA )

4 Higher percent protein. Lower percent protein. More roughages. The same percent protein. 15. The rule of thumb for feeding fattening cattle is less than two pounds of air-dried roughage and two pounds of concentrates: (NCCTE.9_12.AE.AA ) Every other day. Per 100 pounds of body weight. Per cow per day. Twice a day. 16. Molding or heating may occur if feed materials are stored at: (NCCTE.9_12.AE.AA ) High moisture content. Low moisture content. No moisture content. Proper moisture content. 17. Data on feed composition calculated on the basis of all moisture removed from the feed is: (NCCTE.9_12.AE.AA ) 0 percent dry matter basis. 18. Data on feed composition calculated on the basis of the average amount of moisture in the feed as it is used on the farm is: (NCCTE.9_12.AE.AA ) 100 percent dry matter basis. As-fed basis. Balanced rations. Feed additives. 19. When compared to as-fed basis, the weight of 100 percent dry matter basis will be: (NCCTE.9_12.AE.AA ) 100 percent higher. About the same. Less. More. 20. Which general principle of balancing a ration makes it easier to balance nutrients? (NCCTE.9_12.AE.AA ) The ration should be bulky. The ration should be economical. The ration should be slightly laxative. The ration should contain a variety of feeds. 100 percent dry matter basis. As-fed basis. Balanced basis. 21. When beef cattle are put on spring pasture grass or are fed grain, Poloxaline can be used to: (NCCTE.9_12.AE.AA ) Calm animals.

5 Prevent bloat. Prevent parasites. Treat worms. 22. Which is an antibiotic feed additive for swine? (NCCTE.9_12.AE.AA ) Aureomycin MGA Ralgro Tranquilizers 23. Which feed additive will suppress estrus in beef cattle heifers? (NCCTE.9_12.AE.AA ) Melengestrol (MGA) Monensin (Rumensin) Neomycin Tylosin (Tylan) 24. To prevent coccidiosis, coccidiostats are included as feed additives for: (NCCTE.9_12.AE.AA ) Beef cattle. Dairy cattle. Poultry. Swine. 25. Which feed additive should be used to control worms in beef cattle or swine? (NCCTE.9_12.AE.AA ) Antibiotics Anthelmintics Hormones Tranquilizers 26. The feed additive that should be selected for use when there is NO specific known disease is: (NCCTE.9_12.AE.AA ) Broad-spectrum antibiotics. Coccidiostats. Hormones. Narrow-spectrum antibiotics. 27. Care should be taken to prevent crushing hormone transplant pellets because crushed pellets may result in: (NCCTE.9_12.AE.AA ) Long period of effectiveness. Loss of implant. Too rapid absorption. Too slow absorption. 28. The hormone implanting instrument should be pointed toward the animal s: (NCCTE.9_12.AE.AA ) Back. Feet. Head. Tail.

6 29. The needle and the implantation site on the animal s ear should be cleaned with alcohol to prevent: (NCCTE.9_12.AE.AA ) Crushed pellets. Diseases. Infections. Vein punctures. 30. Hitting a vein when implanting hormones can result in: (NCCTE.9_12.AE.AA ) Crushed pellets. Diseases. Loss of implant. Overdoses. 31. Placing the hormone implant in the ear cartilage may cause encapsulation resulting in: (NCCTE.9_12.AE.AA ) Faster-than-normal absorption. Loss of the implant. Normal absorption. Slower-than-normal absorption. 32. On beef cattle, the hormone implanting location is on the backside of the ear in the: (NCCTE.9_12.AE.AA ) Bone tissue. Cartilage. Middle one-third of the ear. Largest vein. 33. Withdrawing the hormone implant needle too rapidly can result in: (NCCTE.9_12.AE.AA ) Artery punctures. Crushed hormone pellets. Infections. Vein punctures. 34. In hormone implants, a dull or bent needle can cause: (NCCTE.9_12.AE.AA ) Crushed pellets. Diseases. Infections. Overdoses. 35. Which rule summarizes many of the rules and procedures for properly mixing medicated feeds? (NCCTE.9_12.AE.AA ) Clean the mixer Keep records Read and follow the label Store additives properly 36. Uniformly mixing additives in livestock feed is necessary for all animals to: (NCCTE.9_12.AE.AA ) Get the correct amount.

7 Get well. Grow at the same rate. Have parasite control. 37. Great care should be taken to clean all medicated feed from the feed mixer to: (NCCTE.9_12.AE.AA ) Avoid drug contamination. Avoid extra feed costs. Keep feeder from rusting. Reduce odors. 38. The PRIMARY reason for using feed additives and hormones in livestock is to: (NCCTE.9_12.AE.AA ) Decrease parasites. Increase profits. Increase reproductive performance. Increase selling price. 39. Using antibiotics and antibacterials at a lower level than would be used to treat sick animals is: (NCCTE.9_12.AE.AA ) Concentrated use. Subtherapeutic use. Supertherapeutic. Therapeutic use. 40. The greatest economic return from the use of antibiotics in swine feeds is from: (NCCTE.9_12.AE.AA ) Boars. Market weight hogs. Pigs. Sows. 41. As Alison evaluates an animal from the rear view, she notices the hock joints are set too close together and the hooves point away from one another. What conformation fault does this animal display? (NCCTE.9_12.AE.AA ) Post legged. Sickle hocked. Buck kneed. Cow hocked. 42. As Cheyenne evalutes a group of breeding gilts she notices an animal with a hock joint that is excessively straight. What conformation fault does this animal display? (NCCTE.9_12.AE.AA ) Post legged. Sickle hocked. Buck kneed. Cow hocked. 43. What conformation trait from the Unified Dairy Scorecard evaluates the skeletal parts? (NCCTE.9_12.AE.AA ) Frame.

8 Dairy Strength. Udder. Feet and legs. 44. A 16-pound ready-to-cook turkey that has the wing tips and the second wing joint on both wings missing can be no higher than USDA Grade: (NCCTE.9_12.AE.AA ) 45. A ready-to-cook 16-pound turkey has the same USDA Grade requirements as a 4-pound broiler EXCEPT the discoloration and nonbreast and non-leg exposed flesh areas can be: (NCCTE.9_12.AE.AA ) Disregarded for broilers. Disregarded for turkeys. Less for turkeys. More for turkeys. 46. A four-pound ready-to-cook broiler that has all the skin removed, all bones broken and both wings and the tail missing would be Grade: (NCCTE.9_12.AE.AA ) A 47. The maximum missing parts that a fourpound ready-to-cook broiler can have and still be Grade A are: (NCCTE.9_12.AE.AA ) Both whole wings and tail. One whole wing and tail. Second wing joints and tail. Wing tips and tail. 48. As determined by candling, the USDA quality grade for an egg with a clean and unbroken shell, clear and firm white, yolk free of defects and air cell 1/8 inch or less is: (NCCTE.9_12.AE.AA ) A Leaker. 49. The exterior quality grade of eggs with foreign material sticking on the egg shells is: (NCCTE.9_12.AE.AA ) A Dirty. 50. When laying hens are evaluated, the relationship of pigment to egg laying is: (NCCTE.9_12.AE.AA )

9 Less pigment, less eggs. Less pigment, more eggs. More pigment, more eggs. No relationship. 51. If laying hen one has pigment in the vent, hen two in the rear of the shanks, hen three in the front of the shanks and hen four on the tops of the toes, which hen has been laying the longest? (NCCTE.9_12.AE.AA ) One Two Three Four 52. If laying hen one has pigment in the vent, hen two in the beak, hen three in the front of the shanks and hen four in the eye ring, which hen has been laying the longest? (NCCTE.9_12.AE.AA ) One Two Three Four 53. If a hen s abdomen is soft and pliable and the vent is moist, bleached and enlarged, the hen is: (NCCTE.9_12.AE.AA ) About ready to start laying eggs. Currently laying eggs. NOT currently laying eggs. Unable to lay eggs. 54. Live broilers should be healthy and well fleshed with normal confirmation and only slight defects so that they will be Grade: (NCCTE.9_12.AE.AA ) 55. Although the selection of broiler chicks is an important management decision for broiler production, basically no broiler producers make this decision because: (NCCTE.9_12.AE.AA ) Broilers are grown on contract. Producers do not know how. There are no broiler chick hatcheries. Transporting chicks is too difficult. 56. A polled bull bred to a polled cow that produces a calf that has horns is an example of: (NCCTE.9_12.AE.AA ) Meiosis. Mitosis. Purebreeding. Recessive genes. 57. Using the Punnet Square, what percent of calves would have horns if a homozygous

10 polled (PP) bull were crossed with a homozygous polled (PP) cow? (NCCTE.9_12.AE.AA ) If black is dominant over red and white faces are dominant over colored faces in cattle, what color offspring would come from crossing a purebred black Angus bull with a purebred white faced red Hereford cow? (NCCTE.9_12.AE.AA ) Black all over Black with white face Red all over Red with white face 59. Using the Punnet Square, what percent of the offspring would be black if a white heterozygous (Ww) boar is bred to a white heterozygous (Ww) sow? (NCCTE.9_12.AE.AA ) Using the Punnet Square, what percent of the offspring would be white if a dominant white homozygous (WW) boar is bred to a black recessive homozygous (ww) sow? (NCCTE.9_12.AE.AA ) Based on the Punnet Square, what percent of the calves would have horns if a bull with heterozygous genes for horns (Pp) were mated with a cow with heterozygous genes for horns (Pp)? (NCCTE.9_12.AE.AA ) Based on the Punnet Square, what percent of calves would have horns if a bull with homozygous dominant genes for polled (PP) were mated with a cow with homozygous recessive genes for horned (pp)? (NCCTE.9_12.AE.AA ) The tendency for genes that are located close together on the chromosome to stay together and pass traits in groups is: (NCCTE.9_12.AE.AA ) Crossover. Incomplete dominance.

11 Linkage. Mutation. 64. The appearance of a new trait in the biological offspring that is NOT in the genetic makeup of the parents is a: (NCCTE.9_12.AE.AA ) Dominant gene. Mutation. Recessive gene. Sex-linked trait. 65. The situation in which one gene does NOT completely hide the effect of the other gene in a gene pair is: (NCCTE.9_12.AE.AA ) Dominant. Homozygous. Incomplete dominance. Recessive. 66. In livestock, sex-linked traits are often recessive and are covered up by: (NCCTE.9_12.AE.AA ) Dominant genes. Female hormones. Male hormones. Recessive genes. 67. The traits on the portion of the Y chromosome which does NOT link with the X chromosome in livestock are transmitted only from: (NCCTE.9_12.AE.AA ) Father to daughter. Father to son. Mother to daughter. Mother to son. 68. After meiosis, one half the sperm carry an X chromosome, one half carry a Y chromosome and all the ova carry an X chromosome. The chromosome combination that produces a male offspring in mammals is: (NCCTE.9_12.AE.AA ) X. XX. XY. YY. 69. For a cow to have horns, the gene pair must be: (NCCTE.9_12.AE.AA ) Crossbred. Dominant. Heterozygous and dominant. Recessive and homozygous. 70. If a polled cow bred to a polled bull produces a calf with horns, the parents genotypes are: (NCCTE.9_12.AE.AA ) Dominant. Heterozygous.

12 Homozygous. Purebred. 71. The EPD trait that predicts the average size of calves is: (NCCTE.9_12.AE.AA ) Maternal milk. Yearling weight. Weaning weight. Birth weight. 72. If four bulls have the same pedigree and look the same but their Expected Progeny Differences (EDP) for weaning weight are 34.2, and +36.9, the bull with which EDP should be selected as the sire to most improved calf weaning weight in the herd? (NCCTE.9_12.AE.AA ) The only sure way to determine the ability of an individual bird to transmit genes for a desired characteristic to most of its sons and daughters is a: (NCCTE.9_12.AE.AA ) Culling test. Feeding test. Mortality test. Progeny test. 74. If each bird in the flock is a high performer, the most effective present performance selection method for breeding stock is: (NCCTE.9_12.AE.AA ) Culling. Family selection. Individual selection. Pedigree. 75. When the performance information used to select poultry breeders is the pedigree, the type of record used is: (NCCTE.9_12.AE.AA ) Future performance. Past performance. Present performance. Rate of gain performance 76. The formula that includes number of pigs born alive and adjusted 21-day litter weight for individual sows compared to a contemporary group of sows is the: (NCCTE.9_12.AE.AA ) General Gilt Index. Growth Rate Index. Heritability Estimates Index. Sow Productivity Index. 77. For superior individuals and outstanding performers in a pedigree to really have any meaning, they should be: (NCCTE.9_12.AE.AA ) Close up in the lineage.

13 Four generations removed. Named fancy names. Several generations back in the lineage. 78. A bull with an Estimated Breeding Value (EBV) of +60 pounds for yearling weight would have an Expected Progeny Difference (EPD) of +30 pounds because: (NCCTE.9_12.AE.AA ) All this trait comes from the mother. Half the trait comes from the mother. Percent heritability is 30 percent. Percent heritability is 50 percent. 79. If four bulls are on the same performance test, which average daily gain ratios (ADG Rat.) is the BEST? (NCCTE.9_12.AE.AA ) If the percent heritability for birth weight is 40, weaning weight is 30, tenderness is 60 and ribeye area is 70 in beef cattle, which trait can be improved the most through selective breeding? (NCCTE.9_12.AE.AA ) Birth weight Ribeye area Tenderness Weaning weight 81. If the percent heritability of calving interval for a female beef cow is 10 percent, selecting females whose mother has outstanding calving interval records would affect calving intervals of the herd: (NCCTE.9_12.AE.AA ) Very fast. Very little. Very much. Very slowly. 82. Which performance data is a measure of reproduction performance for beef cows? (NCCTE.9_12.AE.AA ) Birth Weight Related to calving difficulty Carcass grade Efficiency of gain Ribeye area 83. Which performance data is a record of the animal s ancestry? (NCCTE.9_12.AE.AA ) Adjusted backfat Pedigree Pounds of gain per day on feed USDA Grade 84. Which performance data is a measure of sow productivity that combines numbers of pigs weaned and milk production? (NCCTE.9_12.AE.AA )

14 Adjusted 21 day litter weaning weight Humans. Adjusted backfat at 230 pounds Adjusted days to 230 pounds Number of live pigs born per litter 85. Scrotum circumference is part of the performance data provided in advertisement information for: (NCCTE.9_12.AE.AA ) Boars. Bulls. Heifers. Steers. 86. Which method is NOT recommended to prevent foodborne illness: (NCCTE.9_12.AE.AA ) Use a disposable towel to clean surfaces. Defrost food at room temperature. Refridgerate leftovers within 2 hours. Wash hands and surfaces. 87. What source of foodborne bacterial contamination involves the transfer of bacteria when hands are not washed thoroughly? (NCCTE.9_12.AE.AA ) Animal. Soil. Water. 88. What federal act governs poultry meat inspection? (NCCTE.9_12.AE.AA ) Humane Methods of Livestock Slaughter Act. Egg Products Inspection Act. Federal Meat Inspection Act. Poultry Products Inspection Act. 89. What phase of meat inspection involves checking animals before they are slaughtered? (NCCTE.9_12.AE.AA ) Postmortem inspection. Worker sanitation inspection. Ante mortem inspection. Plant sanitation inspection. 90. What source of foodborne bacterial contamination involves the transfer of bacteria through saliva when food is not cooked properly? (NCCTE.9_12.AE.AA ) Animal. Soil. Water. Humans. 91. What common food borne illness is contracted by eating contaminated eggs? (NCCTE.9_12.AE.AA ) Camphyobacter.

15 Coccidiosis. E. coli. Salmonella. 92. The final step in carcass inspections in meat processing plants is for the meat to be condemned or to be: (NCCTE.9_12.AE.AA ) Bled. Eviscerated. Passed. Suspected. 93. The MAIN purpose of carcass inspection is to detect irregular and contaminated meat and to: (NCCTE.9_12.AE.AA ) Package it. Remove it. Sell it. Stamp it. 94. When USDA inspectors check livestock for diseases or other problems before slaughter and find the animals unfit for human consumption, the animal is marked with: (NCCTE.9_12.AE.AA ) U.S. condemned. U.S. diseased. U.S. No. 2. U.S. No During the slaugher process the internal organs are removed. This process is known as: (NCCTE.9_12.AE.AA ) Evisceration Exsanguination. Ante mortem inspection. Postmortem inspection. 96. The stunning process causes an animals: (NCCTE.9_12.AE.AA ) Senses to shut down. Heart to stop beating. Brain to separate from spinal cord. Tongue to swell. 97. Which method of stunning livestock involves asphyxiation? (NCCTE.9_12.AE.AA ) Mechanical. Chemical. Exsanguinate. Electrical. 98. Which animals carcasses are chilled in ice water after they have been slaughtered? (NCCTE.9_12.AE.AA ) Beef cattle Broilers Hogs

16 Sheep 99. During the slaughtering process, turkeys and broilers are scalded to remove the: (NCCTE.9_12.AE.AA ) Diseases. Feathers. Hair. Skin. Skinning. Sticking. Stunning Before slaughter animals are hoisted by their rear legs and stuck for bleeding, federal regulations require that all animals be: (NCCTE.9_12.AE.AA ) Condemned. Given pain medicine During the slaughtering process, broilers and turkeys are bled by: (NCCTE.9_12.AE.AA ) Cutting the jugular vein. Insensible to pain. Killed. Removing the heart. Removing the gizzard. Sticking The purpose of sticking beef cattle and hogs during the slaughtering process is for: (NCCTE.9_12.AE.AA ) Bleeding. Eviscerating Inspecting. Stunning During the slaughtering process, the Federal Humane Slaughter Act permits mechanical, chemical and electrical methods of: (NCCTE.9_12.AE.AA ) Inspecting.