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
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Treatment

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

11
Parasites

• Objective
• Describe the internal and external parasites of
  livestock and poultry

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Parasites

• External
• ___________
• bloodsuckers
• ___________
• mange
• ___________
• Biting bloodsuckers

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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
• _________________

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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 _______

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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

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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