Animal Health Flashcards
Morbility
sickness (used to calculate health of a herd and feedlots)
Mortality
death loss
Infectious
capabale of invading, growing in living tissue (living organisms)
Non-Infectious
disorder not caused by living host
Direct Cause
exposure or contact through pathogens
In-Direct Contact
airborne through coughs
Contagious
disease capable of being transmitted
Sub-Clinical
loss of appetite, lung lesions, reduced lung capacity
Clinical
can see or measure
pneumonia, snotty nose, temperature, heavy breathing
Acute Disease
sharp, quick symptoms
overeating death, milk fever, tetanus
Chronic Disease
symptoms progress over time, may not be noticeable at first
not eating, unthrifty (not bright or alert)
Causes of Infections
bacteria, viruses, protozoa, parasites, fungi, prion
Bacteria
has a cell wall
can vaccine for bacteria
vaccination develops immunity
antibodies attack cell wall
Viruses
have no cell wall
very few vaccine, anitbiotics don’t work
prevent secondary infections
Protozoa
larger than bacteria
single cell organism
need a vector to transmit