Stress and Disease

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Across
  1. 1. Storing feed in a cool dry place reduces this.
  2. 2. The natural immune response by the cells to foreign proteins.
  3. 4. The practice of ensuring that equipment, ponds, and tanks are clean.
  4. 6. The number of fish that a known amount of water can support. (2 words)
  5. 8. Increases the population of some pathogens. (2 words)
  6. 10. Fish with a high concentration of parasites are likely to become diseased. (2 words)
  7. 14. Ammonia and nitrites. (2 words)
  8. 17. When fish absorb too much water. (2 words)
  9. 18. Organism that causes disease.
  10. 19. This type of stress along with physical injury are the primary cause of disease in fish.
  11. 20. This type of environment reduces the build up of antibodies.
  12. 22. The types of nets that reduce injury and scales loss during handling.
  13. 23. The physical or chemical factors that cause bodily reactions that may contribute to disease.
  14. 24. Mucus also _________ the fish so that it can move through the water with less resistance.
Down
  1. 1. Fish will recover from stress when this water quality factor is high.(2 words)
  2. 3. Water-balance in fish.
  3. 5. Compounds formed in the body to fight specific proteins or organisms.
  4. 6. This completey stops the activity of the immune system. (2 words)
  5. 7. The first physcial barrier to disease organisms.
  6. 9. A defense used by fish against invading diseas organisms. (2 words)
  7. 11. Giving fish too much food. (2 words)
  8. 12. The number of fish in a known amount of water.
  9. 13. Any stress causes _________ changes which decreases the inflammatory response.
  10. 15. The best way to reduce disease and parasites in fish. (2 words)
  11. 16. Maybe added to transport water to minimize osmotic stress.
  12. 21. _____ and skin function as a physcial barrier.