Chapter 4
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Behavior
The reaction of an animal to a certain stimuli
Disease
A distribution in the function or structure of the animal
Signs of good health
Good appetite Alert Bright eyes Shiny coat Normal urine and feces Normal vital signs Normal reproduction
Vital signs of life
Pulse Respiration Temperature
Symptoms of poor health
Not eating Isolating Lack alertness Mucus discharge Droopy head Swelling Bleeding Abnormal bowel movement Worms Unusual walk Abnormal behavior
Important factors that influence health
Temperature Light Moisture movement Pollution
Results of poor animal health
Death Lower production May lead to humans
Contagious disease
Spread by direct or indirect contact
Non contagious
Not spread by casual contact
Viral disease
Virus- a tiny disease producing particle
Bacteria
One called organisms Germ
Fungal disease
Unicellular organism causes disease outside the body
Protozoa
Unicellular organism Simplest form of animal life
Parasites
Multicellular organism that lives inside or outside of the body
Internal
Lives in the host
External
Lives on the outside of the host
Non contagious disease
Nutritional Physiological Morphological Genetics
Nutritional
Results from an unbalanced diet
Physiological
Results of a defect in the tissue organ or organ system
Morphological
Disease related to physical injuries
Genetics
Hereditary cause certain disease
Body defense
Epithelial tissue Mucus membrane
Health management practices
Environmental conditions Sanitation Proper nutrition Isolation Restrict truck traffic Restrict human access Precondition Immunization
Preconditioning
Preparing animal for stress