Gerbils Flashcards
Scientific name for gerbils
Meriones unguiculatus
Translation of Meriones unguiculatus
“mammal having claws”
Gerbils are native to desert regions of
China and Mongolia
Their fur is usually
brown agouti
Range of weight for adult gerbils
55-100g
Most common type of gerbil used in research
Mongolian
2 main reasons gerbils are used in research
- stroke
2. seizures
Gerbils are prone to strokes because their arterial bundle at the base of their brains are
incomplete
Gerbils are prone to these under stress
seizures
Gerbils usually keep one partner throughout their lives so they are considered
monogamous
Gerbils are active at night so they are
nocturnal
How do gerbils attract attention or express aggressiveness?
Thumping their hind limbs
Their hind limbs are elongated to aid in
jumping and maintaining posture
A marking gland that’s more prominent in males
Ventral gland
This gland is located behind the eye that helps keep it lubricated and produces red tears
Harderian gland
How many pairs of mammary glands do gerbils have?
4 pairs
These 2 type of RBCs are common on blood smears
- Retics
2. nRBCs
Even when fed a normal diet, gerbils can develop
lipemia or hypercholesterolemia
RBC life span
9-10 days
Predominant WBC
Lymphocyte
Because they are used to desert ecology, they retain water so they produce ______ quantities of highly concentrated urine
small
Life span
3-4 yrs
Normal Temp
101-103
Normal Pulse
300-360 BPM
Normal RR
70-120 RPM
Average gestation
24-26 days
Average litter size
3-7 pups
Housing temp
18-26 degrees celsius
Light:Dark
12:12
Average environmental humidity
30-50%
Air exchanges
10-15/hr
Sexual maturity
10-12 weeks
What type of estrus cycle do they have?
Polyestrus
What type of ovulators are they?
Spontaneous
How long does parturition take?
1 hr
Pups are born
blind and hairless
Pups hair develop by
7-10 days
Pups’ eyes open by
14-20 days
Infant ________ is rarely seen
cannibalism
In their cages, gerbils need more of this than other rodents because they like to burrow
bedding
This is the period of time you should give gerbils to get used to their new surroundings
Shouldn’t handle them
Acclimation period
How long should the acclimation period be?
48 hrs
With a gerbils diet, they are considered
herbivores and granivores
You should avoid giving these as a main food source, but rather as treats
sunflower seeds
A pelleted diet for gerbils should contain this much protein
16-22%
Unlike mice and rats, you should not handle gerbils by their_____ because they are more prone to degloving injuries
tails
To sex a gerbil, you should
measure anogenital distance
IP injections can be given in the
R or L abdominal quadrant
Most common way to obtain a blood sample
Retro-orbital
Max amount for IP inj
2-3 ml
Max amount of SQ inj
3-4 ml
Max amount of IM inj
0.1
Max amount of IV inj
0.3
Max amount of PO dose
1.5 ml
Gerbils are highly susceptible to this
Caused by Clostridium Piliforme bacteria
High mortality rate
Tyzzer’s Dz
Byproduct of stress and anxiety from lack of enrichment
Caused by contamination of Staphylococcus aureus
Moist dermatitis
Can lead to wasting
Nasal dermatitis AKA sore nose
Most animals can fight off this disease
Zoonotic
D+, perineal staining, anorexia
Salmonella
Not common in gerbils
Malocclusions
These are typically seen over the age of 2
Tumors
You shouldn’t treat gerbils with this drug because they are prone to seizures
acepromazine
How to euthanize gerbils in research
CO2 overdose