Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
Meriones gestation length
- 24-26 d nonlactating
- 24-48 lactating
cow gestation pen space
10 x 10
Ewe gestation pen space
14 sq ft
what position is most humane to handle gerbils in?
upright, not on back
What species can you take up to 25% of the blood volume?
sheep- ovis aries
This species has larger adrenal glands than any other rodents
The fat tailed Gerbil (jird) scientific name
The only known animal to mimic human disease of aural cholesteatomas
What species has strong pair bonding
Meriones, not Pacyuromys
Spermophilus gestation period
Spermophilus richardsonii estrous cycle type
Spermophilus use in research
hibernation, hepatitis B, cholesterol fed gallstone formation, and hepatocell carcinoma
Cynomys use in research
biliary physiology, gallstone formation
Cynomys estrous cycle
monestrous and do not start breeding until 2 years
Gestation of Cynomys
Geomys and Theomys use in research
Dipodomys spectabilis and merriami breed when
throughout the year, seasonally plyestrous
Gestation length in Dipodomys
Which other rodent is difficult to breed because of their aggressiveness towards one another
Gestation for Neotoma
Which other rodent has long or all year breeding cycles and small litters?
Neotoma or wood rat
Neotoma spp use in research
behavioral, neuro studies, source of zoonotic microorganisms
Gestation length of Onychomys
How many litters per year can Onychomys have?
Onychomys use in research
highly aggressive nature warrants use in reproduction and behavior
Peromyscus maniculatus and leucopus use in resarch
- genetics, physiology, aging, cataracts, and behavior
- zoonotic disease- hantavirus, Lyme, vsv, erlichiosis, babesiosi, trypanomiasis and tularemia
Name an other rodent that breeds year round in lab
- Peromyscus leucopus and maniculatus
- Also Dipodomys
Oryzomys prefer this environmental enrichment to reduce stress
Hollow brick as shelter
Which other rodent is the predominan reservoir host for Bayou virus ( cause of Hantavirus pulmonary syndrome)
Which other rodent lacs a reproductive response to photperiod and is thus a good model for circannual reporductive cycles?
Xygodotomys brevicauda is a natural host for which virus
Guanarito Virus ( Venezuelan Hemorrhagic Fever)
In Zygondotomys brevicauda how long is the gestation length, and when is weaning?
- Gestation: 25 days
- day 16 weaning
Gestation in Sigmodon Hispidus/ Fluviventer?
Mystromys are actually in the same subfamily as which rodent
While being a great model for diabetes mellitus, the white tailed rat is also a great model for what disease?
American cutaneous leishmaniasis- Leishmania braziliensis
The mystormys albicaudatus has an interesting repro behavior:
Newborns stay attached for how long?
Microtus are predisposed to what with handling and environmnetal stress?
- tonic-clonic seizures and head shaking
- Good model for epileptiform seizures
Microtus use in research
- Physiology of vomeronasal organ in chemosensory cues
- spatial learning
- nutirion studies
- African trypanosamyasis
This other rodent has such a high metabolic rate that it becomes hypoglycemic within 6 hours
Microtus have what type of repro cycle?
polyestrous induced ovulators
Mastomys use in resarch
zoonotic disease, Yersenia pestis, parasitic disese, Zollinger Ellison syndrome
Mastomys do not have this anatomical structure
Both males and females of this other rodent species have a prostate gland
Gestation period of multimammate rat
23 days , weaing at 19-21, monogamous pairs
Octodon Degu use in research
human sleep/wake patern due to their diurnal behaviro
Degus repro cycle
- breed year round
- Gestion 90 days
How often do Octodon and Chinchillas dust bathe
twice a week
Chinchillas estrous cycle length and type
- seasonally polyestrous
- 38 days with a vaginal closure membrane- estrous cycle
- Gestation 110.8 days
The optimal temperature for a chinchilla
20+/- 2 degree C (not heat tolerant just like ferret)