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![Page 1: Gerbils This workforce solution was funded by a grant awarded under the President’s Community-Based Job Training Grants as implemented by the U.S. Department.](https://reader030.fdocuments.us/reader030/viewer/2022032414/56649ef15503460f94c02925/html5/thumbnails/1.jpg)
Gerbils
This workforce solution was funded by a grant awarded under the President’s Community-Based Job Training Grants as implemented by the U.S. Department of Labor’s Employment and Training Administration. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership. This solution is copyrighted by the institution that created it. Internal use by an organization and/or personal use by an individual for non-commercial purposes is permissible. All other uses require the prior authorization of the copyright owner.
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Gerbils
Mongolian Gerbil – Meriones unguiculatus
Easy to handle Mild tempermant Adaptabile to
environmental changes
Low occurrence of natural diseases
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USE IN RESEARCH
RadiobiologyStrokeAuditory – hearing close to humanEndocrine functionDental studiesReproductionEpilepsy
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HANDLING AND RESTRAINT
Should pick up a gerbil by the base of the tail Should not pick up at
the tip since that can cause the skin to pull off. Surgical amputation would need to be performed.
Another method is to cup both hands under gerbil and gently lift.
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HANDLING AND RESTRAINT
To restrain for an exam or treatment Pick gerbil up by base of
tail Grasp the scruff area with
thumb and index finger with opposite hand (that is holding base of tail)
The gerbil’s back should be in your palm.
Grasp the tail with your little finger.
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HANDLING AND RESTRAINT
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BREEDING
Form monogamous pairs Remain with same mate for life
Trying to separate pairs and have them mate with another gerbil is usually unsuccessful and can result in fighting and even death.
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BREEDING
Sexual Maturity – 70-84 daysGestation – 24-26 daysLitter size – 4-5Weaning – 21 days
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SEXING
Males have a greater anogenital distance than females do.
Note the anogenital distance in the above picture. Do you think this is a male or female?
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BEHAVIOR
Docile Clean and curious Desert animal and adapt to very little water
Produce small amounts of urine Little odor
Cyclic activity Periods of high activity Followed by periods of sleep Will burrow, nest, scratch claws rapidly on side of cage,
interact with cage mates and groom one another.
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BEHAVIOR
Both males and females have a dark yellow gland called the ventral marking gland.
Rub against things and secrete their scent.
Spend a large amount of time grooming this gland.
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BEHAVIOR
May hear foot stompingThis may be part of their sexual ritualCan also be a signal to others that there is
danger present.
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UNUSUAL BEHAVIOR
In about 20% of gerbils, they have epileptic seizures. Usually from a result of handling, loud noises or
other excitement. During seizure they may twitch or appear to be
kicking or they may freeze.
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DISEASES Tyzzer’s Disease – Bacterial Infection
Depression Ruffled hair coat Hunched posture Anorexia Watery diarrhea
Transmission Fecal-oral
Treatment Removal of infected animals Sterilization of primary enclosure Reduction of stress
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DISEASES
Nasal Dermatitis Alopecia and dermatitis around upper lip and
nares Erythema, scabbing
May be caused by stressSymptomatic treatment
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PARASITIC DISEASE
Demodex Alopecia Scaly skin Ulceration
Old age and debilitation are factors in gerbils ending up with demodex infection.
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EPILEPTIC SEIZURE DISORDER
Stress related Can begin around 2 months of age
Seizures may last from 30 seconds to 2 minutes
May see animal “freeze” or twitch.
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MALOCCLUSION
Continually growing incisiorsProvide something for them to chew onIf overgrown, need to trim the teeth.