Principles of Animal Diseases

1. Principles of Animal Diseases Animal Science II

2. Causes • Infectious • Caused by _____________________ • Noninfectious • Faulty ________________ • _____________ disorder • _________________ • ____________ substance • _________________ defects • __________ defects

3. Cattle • Brucellosis • Abortions in last ______ of pregnancy • _______________ retention • Sterility • Animal must be ______________ • Shipping fever • ___________, _____________, fever, discharge • Common in ____________ animals • Shipping _________________ • ____________ and ____________ drugs

4. Swine • Transmissible gastroenteritis (TGE) • _____________ (highly contagious) • _______ mortality in young _______ • ______________, _____________ • _________, yellow or green _______ • Drugs and vaccines _______ effective

5. Swine • Pseudorabies • __________ • _____________, vomiting, convulsions, _______________ • Sudden death in young pigs _______ after symptoms appear • Drugs and vaccines _______ effective

6. Swine • ___________________ • Cholera (eradicated in the US) • ______________ • Drugs for drinking water • Leptospirosis • __________ • Mycoplasmal pneumonia • _______________

7. Poultry • ___________ rupture • Male ________________ • 8 to 20 weeks • _______________ to death • Control • Lower-energy _____________ • Low-level use of tranquilizers

8. Poultry • Newcastle • ___________________ • Gasping for _____, ____________, breathing difficulty, tremors, paralysis • No known ___________ • Avian pox (Fowl pox) • ____________ • Yellow ____________ in mouth and eyes • Scabs around the _______ • No known cure

9. Poultry • Cocidiosis • Controlled by ______________ • ______________ • ______________ • Fowl cholera • _____________ Antibiotics

10. Treatment • Prevention is the best way to control diseases • _____________________ • ___________________ • ____________________ • _____________________ • ________________________

11. Parasites • Objective • Describe the internal and external parasites of livestock and poultry

12. Parasites • External • ___________ • bloodsuckers • ___________ • mange • ___________ • Biting bloodsuckers

13. Parasites • External (continued) • _____________ • Screwworm in larva stage • __________ fly • Cattle grub • ____________ fly • Smallest, bloodsucking species • Horsefly, housefly, stable fly

14. Parasites • Internal • ____________________ • Stomach worms • ______________ • ______________ • Bloodworms • _______________

15. Parasites • Internal (continued) • _________________ • Broad tapeworms • Beef or pork tapeworm • _________________

16. Parasite Problems • __________loss and loss of gain • Most costly excluding death • Major external parasite of swine • ___________ and ____________ • External parasites of poultry • Lower production by sucking _______

17. Parasite Problems • Heel Fly larva or Cattle grubs • Greatest _____________ loss to cattle • Lower rate of ___________ • Damage hides and ___________

18. Parasite Problems • Major internal parasite of poultry • Several types of ___________ • Roundworm • Most damage to ________ by internal parasites

19. Controlling Parasites • Prevention • Most effective • Chemicals for external parasites • _____________ insecticides that spread throughout the body is most effective • Cattle grubs

20. Controlling Parasites • Deworming pigs • Sows and guilts ____ ___________ before farrowing • Protects _____________

21. Controlling Parasites • Poultry Houses • Mites, bedbugs, fowl ticks hide in _____________ • Emerge at _____________ • Cracks and crevices must be ______________

22. Controlling Parasites • Poultry • Little problems with ___________ • Confinement housing offers protection • Wire cage

23. Controlling Parasites ______________, ______________, ____________, and ______________ methods are used to reduce loss in poultry and livestock