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AVS REVIEW EXAM 2 - AVS REVIEW EXAM 2 1 Freezing bull semen...

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AVS REVIEW EXAM 2 1. Freezing bull semen is a common practice 2. Reproduction goals for domesticated farm animals should NOT include longer birth intervals 3. AI is an older science 4. The external cremaster muscle regulates testicular temperature. 5. In birds the female determines the sex of the offspring 6. An animal that exhibits “lordosis” is probably in heat (estrus) 7. Body cells are formed by a process called mitosis 8. Embryo transplant is possible in cattle 9. As testicular temperature increases, sperm production does NOT 10. Reproductive goals for domesticated farm animals should include higher conception rates 11. Semen is composed of sperm plus fluids from the accessory sex glands 12. Cryptorchids do NOT cause the rooster to retain his testicles in the body cavity 13. The estrus cycle is not a common characteristic in poultry 14. Most mammals have menstrual cycles 15. Cold ambient temperatures are less harmful to the production and survival of sperm than hot temperatures 16. Genetics has a greater influence than environmental factors on yield potential 17. There is no direct exchange of blood between the maternal and fetal system 18. Semen helps to neutralize the acidity of the female reproductive tract so sperm cells can
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