PUT YOUR ANSWERS ON THE SCANTRON FORM WITH A NUMBER 2 PENCIL! Name________KEY______________________________ Contestant Number___________ 2008 Block and Bridle Stockmen’s Contest Senior Quiz _D___ 1. Which test below is not given to a bull during a BSE ( Breeding Soundness Exam)? A) Physical examination C) Semen evaluation _B___ 2. Flushing in sheep is used to: A) Treat a disease C) Get them ready for sale B) Measurement of scrotal size D) Blood test B) Improve reproductive performance C) Prepare them for shearing __C__ 3. Cattle grubs are part of the life cycle of what insect? A) Black fly B) Deer fly C) Heel fly D) Cow fly _B___ 4. A cryptorchid bull A) Produces sperm but no testosterone B) Produces both sperm and testosterone C) Produces testosterone but no sperm D) Produces neither sperm nor testosterone _C__ 5. What hormone in the female triggers ovulation? A) Estrogen B) Progesterone C) Lutenizing hormone D) Testosterone __D__ 6. What mineral is likely to be deficient when cattle are fed a high roughage diet? A) Calcium B) Iodine C) Zinc D) Phosphorus __C__ 7. What grass species can be infected with an endophyte fungus? A) Orchardgrass B) Timothy C) Tall fescue D) Smooth bromegrass __D__ 8. If an animal is 12% above average in a particular trait, what is its trait ratio? A) 1.2 B) 12 C) 88 D) 112 _D___ 9. What is semen mixed with to preserve it? A) Water B) Glucose C) Calcium D) Extender _D___ 10. At which of the following sites of the reproductive tract does fertilization occur? A) Cervix B) Uterus C) Vagina D) Oviduct __C__ 11. Which of the following would be the most accurate basis for selecting herd sires to increase growth rate? A) Pedigree B) Individual performance records C) Progeny performance records D) Ultrasound MORE ON THE BACK OF THIS PAGE PUT YOUR ANSWERS ON THE SCANTRON FORM WITH A NUMBER 2 PENCIL! __C__ 12 Cattle that are grass fed before slaughter are likely to have _________ colored fat. A) White B) Green C) Yellow D) Red __C__ 13. Which of the following hormones is responsible for follicle development in a ewe? A) Vasopressin B) ACTH C) FSH D) GH __C__ 14. What is the hormone aiding parturition and resulting in milk let-down? A) Iron B) Estrous C) Oxytocin D) Testosterone _D___ 15. Which is the primary byproduct feed that results from making ethanol from corn? A) Corn gluten feed B) Brewers Grains C) Hominy D) Distillers Grains __C__ 16. A beef carcass weighs 840 pounds, has 0.5 inch of backfat, a 10.2 square inch ribeye, and a marbling score of Modest. This carcass is A) Just right B) Too heavy C) Light muscled D) Too fat __A__ 17. Which mineral can cause a problem in cattle with immunity and antibody production when it is deficient? A) Copper B) Calcium C) Magnesium D) Potassium __B__ 18. The percent protein in a swine diet can be reduced by 1 or 2 percentage points by increasing the amount of one or 2 key nutrients. What are those nutrients called? A) Hormones B) Amino acids C) Antibodies D) Cell Walls _D___ 19. What route is NOT USED to administer vaccines to cattle or calves? A) oral B) intranasal C) Sub Q injection D) Topical _B___ 20. What is the name for the rhythmic contractions which occur in the rumen? A) Gurgling B) Peristalsis C) Contortions D) Circulation __B__ 21. Which of the following diseases affects the reproductive process? A) IBR B) Leptospirosis C) Parainfluenza D) Blue tongue __B__22. Cotyledons and caruncles are a part of what tissue in a cow? A) Udder B). Placenta C) Lung D) Rumen _C___ 23. Sometimes silage that is too dry can get pretty hot. Other than fire risk, why is this a problem? A) Cows won't eat it B) It's a lot lower in energy content C) Protein digestibility is reduced D) It contains a high nitrate level _D___24. Which of the following is NOT TRUE about Vitamin A? A) It's stored in the liver B) It's obtained from green forage C) It can be added to feed, mineral mixtures, or it can be injected D) It is considered a "water-soluble" vitamin _B___25. How much increase in weaning weight would you expect from using one dose of a growth-promoting implant on a calf? A) 5 pounds B) 25 pounds C) 50 pounds D) 80 pounds