This health problem is common in rats, especially females who are not spayed
Mammary tumors
This is the number of rats that Sandy has
7
A normal nutritional behavior when a rat is eating its excrement.
Coprophagy
This is used to diferentiate blood from pigment porphyrin caused by stress
UV light OR woods lamp
Nude rats are good for immunity studies because they lack this
Thymus/T cell deficiency
What do you call a rat with allergies?
Answer: rata choo - uille
Like horses and parrots, rats do not have this organ in their digestive system
Gallbladder
This is a reproductive position female rats will do when they are in heat.
Lordosis
Rats are great for research and housing together, because they provide this for each other
Communal rearing and nursing
The humidity in a rat's environment should be around 50% to prevent this
Ringtail
This is a common respiratory disease in both lab and pet rats
Mycoplasma
Rats have this kind of digestive system
Hind gut
This involves animals that are not in the study but that check the health of the animals by receiving soiled bedding from animals in the study
Sentinel program
The red secretion of rats' eyes and nose. It is more commonly seen in rats when they get older or get stressed.
Porphyrin
Besides age studies, Fischer 344 is also commonly used for what?
Long term toxicity