Housing Lab Animals Flashcards
Mammals that have a placenta that nourishes young.
Eutharians
Young born with eyes and ears closed, no visible ear growth, entirely dependent on mother
Altricial
The first defecation.
Meconium
Fully developed at birth with fur, eyes open and can hear and function independently.
Precocial
Also known are marsupials.
Metatheria
Young that must attach to a pouch Or teat to complete development.
Metatheria
Mammals that lay eggs.
Monotremes
Two species of monotremes.
Duck billed platypus, echidna
All mammals except monotremes…..
Have two sets of front teeth
Baby teeth are called.
Deciduous
Why should animals have limited lay time on their side?
Down lung syndrome
What does the soft and hard palate separate?
The esophagus and the trachea
A hole between two structures that is not meant to be.
Fistula
Any animal used for obtaining info will be applied to a different species.
Lab animal
ASPCA
American society for prevention of cruelty of animals
Two main uses for lab animals?
Subjects to investigate disease, producing disease prevention biological substances
HSUS
Humane society of the United States
ILAR
Institute for laboratory animal resources
AAALAC
Association for assessment and accreditation for laboratory animal care
ALF
American liberation front
Animal chosen for research for its similarities to the species research is focused on.
Animal model
What factors go into play for deciding models?
Characteristics, size, health, litter size, longevity
The three Rs.
Reduction, refinement, replacement
Normal non related breeding between the same species for maximum diversity
Random, out bred breeding
Breeding used with rodents, takes 20 generations to consider pure genetically.
Inbreeding
Mating two genetically pure animals of a different family line.
Hybrid breeding
A form of inbreeding.
Line breeding.
One male, one female breeding
Monogamous
Polygamous mating with one male and more than one female
Harem breeding
Posture showing female is ready to mate
Lordosis
Male and female only put together for breeding purposes.
Separate housing
SPF
Specific pathogen free
Housing that takes no action to rodent disease in your house,
Conventional
Sterilized cages.
Barriers
Cage environment
Microenvironment
Temperature, humidity, ventilation, light, noise
Macroenvironment
Who sets housing standards?
ILAR
Three groups of animals?
Eutharians
Most temperatures in cages should not exceed…
80f
What does low humidity cause?
Ringtail
What does increase humidity sometimes cause?
Pneumonia
How many air exchanges per hour.
10-15
Ideal lighting.
12-12
What is white noise?
Static, radio, background noise
Any substrate used as an absorbent in waste collection or comes in contact with the animal
Bedding
Toxic bedding
Cedar shavings
Most common bedding types.
Ground cob corn, wood shavings, compressed paper, straw
Most common lab rat.
Long -Evans hooded rat
