The Battle Against Disease 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife...
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The Battle Against Disease
4-H Veterinary ScienceExtension Veterinary Medicine
Texas AgriLife Extension ServiceCollege of Veterinary Medicine and Biomedical Sciences
Texas A&M Systemhttp://aevm.tamu.edu
Objectives
Discuss the history of disease control Discuss infectious disease control Discuss non-infectious disease control Describe the roles of the government
agencies that deal with disease control Discuss practices to foster health and well-
being of animals
History
Problems change with time Brucellosis Tuberculosis Foot and mouth disease
Types of disease Emerging diseases Endemic diseases Foreign diseases
Infectious Diseases
Infectious disease Caused by a pathogen that can invade (infect)
and then multiply in a susceptible animal Pathogens
Bacteria Protozoa Viruses Fungi Rickettsia
In short These organisms enter the body of
susceptible animals and cause an illness in that animal
Concern Movement of animals introduces these
pathogens into susceptible populations
US constantly on look out TAHC USDA-APHIS USDA-VS
Non-Infectious Diseases
Non-infectious disease Caused by toxins (chemical poisoning) or by
malfunctioning of the body (as nutritional disorders)
Result of environmental or behavioral changes
In domestic populations Infectious problems reduced
Disease Non-infectious problems increased
Cancer Heart disease
Control Eat healthier foods Smoke less Get more exercise
Agency Roles
Both state and federal agencies involved Animals
State Texas Animal Health Commission (TAHC)
Federal USDA-APHIS
People State
Texas Department of State Health Services Federal
United States Department of Health and Human Services
Zoonotic Disease that is shared between animals and
people Rabies West nile virus Anthrax
Animal and human agencies work together in disease outbreaks
Sentinel animals See problems in these animals before see in
people
Health and Well-Being
Preventive health management Vaccinate Biosecurity Cooperation between state and federal
agencies
Preventive measures Identify reservoirs through surveillance Prevent exposure Develop immunity Provide good nutrition Provide adequate physical activity Develop optimum environmental conditions Develop selection and breeding programs