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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question. |
| | 1. |
What percent of all eggs are commercially produced by caged hens in large houses? | a. | 88% | b. | 90% | c. | 93% | d. | .85% | | | | | | | | | | |
| | 2. | What type of operation supplies pullets for use as broiler breeders or commercial egg production? | a. | Breeders or hatching egg producers | c. | Growing Pullet Operations | | b. | Market Broiler Producers | d. | None of the above are correct | | | | | | |
| | 3. | Broiler breeder male lines are bred for what things? | a. | Large meaty breast and thighs | c. | Egg size | | b. | Livability | d. | All of these are correct | | | | | | |
| | 4. | What supplies the producers with the services and materials necessary for production, including the processing and marketing of products to meet the consumer’s needs? | a. | Agribusiness | b. | Engineering | c. | Geneticists | d. | Nutritionists | | | | | | | | | | |
| | 5. | How long is the incubation time period for a duck? | a. | 21 days | b. | 23 days | c. | 30 days | d. | 28 days | | | | | | | | | | |
| | 6. | What factor does not influence the total incubation time of eggs? | a. | Age of egg | b. | Color of egg | c. | Incubation temperature | d. | Size of egg | | | | | | | | | | |
| | 7. | For best hatchability, an egg must lose what percent of its weight uniformly during incubation? | a. | 12% | b. | 15% | c. | 10% | d. | 20% | | | | | | | | | | |
| | 8. | Hatchability problems at what type of altitude are caused be reduced availability of oxygen in the air and increased moisture loss from the eggs? | a. | Lower | b. | Normal | c. | Higher | d. | None of these are correct | | | | | | | | | | |
| | 9. | Unhealed navels in chicks is caused by which of the following? | a. | Low temperatures | c. | High humidity | | b. | Proper egg storage | d. | Egg size | | | | | | |
| | 10. | For broiler breeders, appropriate use of light duration, intensity, and spectral quality improves what? | a. | Rate of growth | c. | feed to weight ratio | | b. | hatching egg production | d. | none of the these are correct | | | | | | |
| | 11. | What type of bulbs are energy efficient, producing approximately ten times the amount of light per watt as incandescent light bulbs? | a. | High-pressure sodium bulbs | c. | Fluorescent bulbs | | b. | Incandescent bulbs | d. | none of these are correct | | | | | | |
| | 12. | What is the production period broiler breeder hens? | a. | 10 to 30 weeks of lay | c. | 18 weeks of age to end of lay | | b. | 12 to 24 weeks of lay | d. | 20 weeks of age to end of lay | | | | | | |
| | 13. | If the chicks move away from the heat source and are drowsy, the temperature is what? | a. | Too cold | b. | Too warm | c. | Just right | d. | none of the above are correct | | | | | | | | | | |
| | 14. | The type of litter used for market broilers depends upon what factor? | a. | Availability | c. | Economics | | b. | Suitability | d. | all of these are correct | | | | | | |
| | 15. | As growth potential increases, the bird’s requirement for oxygen and heat removal does what? | a. | Decreases | c. | Stays the same | | b. | Increases | d. | Increase, then rapidly decreases | | | | | | |
| | 16. | Bruises cause what percent of carcass downgrades on market broilers? | a. | 20%-30% | b. | 40%-50% | c. | 50%-60% | d. | 70%-80% | | | | | | | | | | |
| | 17. | What type of commercial hatchery concentrates efforts on maximizing the hatching of fertile eggs and marketing viable poults? | a. | Turkey | b. | Ducks | c. | Geese | d. | Broilers | | | | | | | | | | |
| | 18. | What is a disadvantage for caged hen egg production? | a. | Clear eggs | c. | Higher percentage of blood spots | | b. | Less labor requirements | d. | No bloody hens | | | | | | |
| | 19. | In turkey poults, adequate ventilation is needed for which of the following reason? | a. | To maintain good liter conditions | | b. | To remove excess moisture and carbon dioxide | | c. | To minimize dust | | d. | All of these are correct | | | | |
| | 20. | Which of the following is not a cause of cracked eggs? | a. | Genetics | b. | Type of food fed | c. | Humidity | d. | Disease | | | | | | | | | | |
| | 21. | Initiation of egg production between what ages of pullets is considered best on the average? | a. | 19 to 20 weeks | b. | 14 to 15 weeks | c. | 22 to 23 weeks | d. | 26 to 27 weeks | | | | | | | | | | |
| | 22. | Which word means the rate at which light falls on a square foot area surface which is equally distant on foot from a source whose intensity in one candela? | a. | Candela | b. | Lux | c. | Lumen | d. | Footcandle | | | | | | | | | | |
| | 23. | What organization provides information and sponsors shows for purebred bantams and bantam ducks only? | a. | American Poultry Association | c. | The Standard of Perfection | | b. | American Bantam Association | d. | None of these are correct | | | | | | |
| | 24. | Which is a characteristic of the American class of Large Fowl Breed? | a. | White ear lobes | b. | White eggs | c. | Yellow skin | d. | Feathered shanks | | | | | | | | | | |
| | 25. | Which of the following is a member of the heavy-weight class of geese? | a. | Toulouse | b. | Embden | c. | African | d. | All of these are correct | | | | | | | | | | |
| | 26. | At a commercial hen house, there are 25,000 live hens. Yesterday 22,578 eggs were produced. Calculate the percent hen-day production for yesterday at the hen house. | a. | 90.3% | b. | 91.2% | c. | 90.5% | d. | 89.8% | | | | | | | | | | |
| | 27. | An egg weighs 25.2 ounces. During incubation, it lost 11.8% of its weight. How much does it lay now? | a. | 21.2 ounces | b. | 22.2 ounces | c. | 23.3 ounces | d. | 22.8 ounces | | | | | | | | | | |
| | 28. | A hatchery set 743 fertile eggs. Out of the 743 fertile eggs, 718 hatched as live chicks. Calculate the percent hatchability. | a. | 96.6% | b. | 96.1% | c. | 97.2% | d. | 95.8% | | | | | | | | | | |
| | 29. | A broiler breeder hen has produced 275 eggs. 232 eggs were fertile out of these eggs. Calculate the percent fertility of this hen. | a. | 89.9% | b. | 90.1% | c. | 91.3% | d. | 90.3% | | | | | | | | | | |
| | 30. | As rule of thumb for commercial hens, for each 0.1 lb increase in body weight, a laying hen requires 1.3% more feed. A hen weighs 3.7 lbs and eats 0.92 lb of feed. If the hen gains 0.3 lb of body weight, how much feed would she require? | a. | 0.961 lbs | b. | 0.952 lbs | c. | 0.956 lbs | d. | 0.954 lbs | | | | | | | | | | |