Causes, symptoms, prevention, and treatment of various animal diseases introduction

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LIVESTOCK DISEASES

SELECTED STUDENT ACTIVITIES

SHORT ANSWER/LISTING: Answer the following questions or statements in the space provided or on

additional paper.

List three principal reasons most often cited for the spread of livestock diseases.

_________________________________________________________________________

List eight good management practices that should be followed by livestock producers.

_________________________________________________________________________

List four types of pathogenic organisms.

_________________________________________________________________________

What are the four defects that cause diseases?

_________________________________________________________________________

Provide an example of a protozoan disease.

____________________________________________________________________________

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How do most disease-causing organisms enter the body?

____________________________________________________________________________

List five examples of how to properly handle animals.

_________________________________________________________________________

Annual losses from livestock diseases in the United States exceed $______________________.

A(n) ________________ or ________________ is the cause of morphological (physical) defects.

10. Nutritional defects can be prevented by observing good management practices and by feeding a

____________________.

11. To produce efficiently, animals must receive adequate amounts of _____________________,

_________________, _________________, __________________, and __________________.

12. Living organisms capable of producing diseases are called ____________________.

13. Physiological defects cause an improper functioning of ______________________________,

________________________, or ____________________.

14. Hemorrhagic septicemia can be prevented by ____________________ animals several days prior

to shipment or other periods of stress.

15. Equine encephalomyelitis is transmitted by ____________________ insects.

16. Blackleg is taken into the body from contaminated ________________ and ________________.

17. Protozoa are one-celled and the simplest form of __________________ __________________.

18. ____________________ is the key to controlling animal diseases.

19. After entering the host, a pathogen must overcome the ____________________________

_______________________ of the body to produce the disease.

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