Mongolian gerbils meriones unguiculatus, strain 243, were purchased from the charles river laboratories wilmington, ma. Pdf population ecology of wild mongolian gerbils meriones. Ketaminemethoxyflurane anaesthesia for the mongolian gerbil. Information on the range of neoplastic processes and their clinical behaviour, based on the excision and morphological examination of localised scent gland abnormalities of 16 privately owned male gerbils is also provided. Susceptibility of the mongolian gerbil meriones unguiculatus. An meriones unguiculatus in uska species han rodentia nga syahan ginhulagway ni milneedwards hadton 1867. Melanocytes in the stria vascularis and vestibular labyrinth of the mongolian gerbil meriones unguiculatus carlos escobar. Meriones jirds tend to inhabit arid regions including clay desert. Peritoneal macrophages from mongolian jirds meriones unguiculatus with either lymphatic or intraperitoneal infections of brugia pahangi were studied to determine the effects of infection on macrophage function and morphology. This specimen was scanned by matthew colbert on 23 january 2012 along the coronal axis for a total of 94 slices. In seeking a practical animal model of chlordecone metabolism in humans, we found that among rats, hamsters. Activation of jird meriones unguiculatus macrophages by the. Ginklasipika han iucn an species komo diri gud kababarakan.
May 01, 2007 the ability to discriminate among individuals plays a fundamental role in the establishment of social relationships in animals. Marie novak, ashok modha, jonathan lee, richard buist, and, barry blackburn. We examined how mongolian gerbils meriones unguiculatus discriminate among individuals using odor. Any one of the diminutive rodents composing related species of the genus meriones which are inhabitants of northern africa and southwestern asia. Chromatin organization and remodeling of interstitial. Meriones genus article about meriones genus by the free. They are native to desert regions of mongolia and northeastern china, where they burrow extensively and live on grain. The mongolian gerbil meriones unguiculatus is a member of the rodent family that displays several features.
Pdf cones in the retina of the mongolian gerbil,meriones. Mongolian gerbils meriones unguiculatus companion animal. Probing the spatial cluster of meriones unguiculatus using the nest flea index based on gis technology dafang zhuang 1, haiwen du 2, yong wang 1, xiaosan jiang 2, xianming shi 3, dong. The mongolian gerbil or mongolian jird meriones unguiculatus is a small rodent belonging to the subfamily gerbillinae. Descent from a deep cliff is more apt to occur in animals. The mongolian gerbil meriones unguiculatus in research. The animal is used in science and kept as a small house pet.
Pdf experimental encephalomyocarditis virus infection in. During the primary exposure, a 30% to 85% decrease in the activity of. Mongolian gerbil and wild conspecies, in captivity. Pronunciation of meriones unguiculatus with 1 audio pronunciation, 4 synonyms, 1 sentence and more for meriones unguiculatus. Surgical excision and morphological evaluation of altered. Population ecology of wild mongolian gerbils meriones unguiculatus. Incipient spontaneous granulosa cell tumour in the gerbil. Ginklasipika han iucn an species komo diri gud kababarak. Obesityinduced diet leads to weight gain, systemic.
A model for human metabolism of chlordecone kepone. If the inline pdf is not rendering correctly, you can download the pdf file here. Pdf catalogue of the behaviour of meriones unguiculatus f. Gerbils meriones unguiculatus can be picked up by closing cupped hands around the animal, as tail capture is likely to be.
Attempted vaccination of jirds meriones unguiculatus. Determination of giardia lamblia cyst infective dose for the. In the first experiment, the ability of male gerbils to discriminate among five odor sources from different individuals was investigated using a. All structured data from the file and property namespaces is available under the creative commons cc0 license. Therapeutic value of ginkgo biloba extract egb 761 in an. Mammal species of the world a taxonomic and geographic reference.
One male animal of 6weeks of age was used for tissue extraction for this project. Gerbils meriones unguiculatus can be picked up by closing cupped hands around the animal, as tail capture is likely to be stressful and there is also a risk of a degloving injury to the skin of the tail. Ecology of wild mongolian gerbils meriones unguiculatus. Files are available under licenses specified on their description page. Meriones unguiculatus in mammal species of the world. This page was last edited on 14 september 2017, at 21.
The ability to discriminate among individuals plays a fundamental role in the establishment of social relationships in animals. Defensive burying in the mongolian gerbil meriones unguiculatus. Ketaminemethoxyflurane anaesthesia for the mongolian gerbil, meriones unguiculatus laboratory animals 1974 8. Mongolian gerbils meriones unguiculatus are a member of the rodent family muridae. Cutaneous b cell lymphoma in a mongolian gerbil meriones. A sterotaxic atlas of the mongolian gerbil brain meriones unguiculatus page 1. Dendritic morphology of caudal periaqueductal gray projecting. Turning gerbils onto their dorsum causes anxiety, so they should be sexed by lifting the hind legs off the palm of the hand while supporting the front legs. Infected animals harbored significantly less worms deriving from the superinfection than the control group p meriones unguiculatus an evaluation of tribromoethanol tbe as an anaesthetic agent in the mongolian gerbil. Body size is typically 1105mm, with a 95120mm tail, and body weight 60g, with adult males larger than females. In 167 cases of granulosa cell tumour gct in the gerbil, meriones unguiculatus, 42. The genus contains most animals referred to as jirds, but members of the genera sekeetamys, brachiones, and sometimes pachyuromys are also known as jirds. The primary g lamblia infection induced a transient reduction in disaccharidase activity which was related to the highest trophozoite burden in the small intestine. The use and care of animals was approved by the state.
Rodent models including mice and rats are not susceptible. Download fulltext pdf download fulltext pdf experimental encephalomyocarditis virus infection in mongolian gerbils meriones unguiculatus article pdf available in veterinary pathology 261. Meyers et al, 1964 such a demonstration has never been made in the gerbil. Macrophages were collected at 40, 90, 140, and 200 days after inoculation of infective thirdstage larvae and assayed for phagocytic and bactericidal. Graduate thesis or dissertation meriones unguiculatus, a. When the experimental protocol requires male contraception, vasectomy is one of the methods most used, although its effects on spermatogenesis in the mongolian gerbil had never been investigated. Prior experience with a cliff decreases latency to respond. Abstractin this study we investigated the morphological features of the caudal periaqueductal gray cpagprojecting. The sequence of changes in the activity of six disaccharidases in the small intestine of gerbils during primary and secondary g lamblia infections was examined. Macrophages were collected at 40, 90, 140, and 200 days after inoculation of infective thirdstage larvae and assayed for phagocytic and bactericidal activity by the. Buckmaster, in models of seizures and epilepsy, 2006. Meriones unguiculatus an overview sciencedirect topics. Cones in the retina of the mongolian gerbil, meriones unguiculatus.
Gerbils were first bred and used as laboratory animals. Due to their size, ease of handling, and similarity to patterns found in humans eckmann, 2003. Cairo spiny mouse acomys cahirinus shows a strong affinity to. Chlordecone alcohol formation in the mongolian gerbil. Mongolian gerbils meriones unguiculatus were housed in standard animal racks bio a.
The mongolian gerbil meriones unguiculatus was highly susceptible to peripheral infection with western equine encephalitis virus. Attempted vaccination of jirds meriones unguiculatus against brugia pahangi with radiation attenuated infective larvae volume 60 issue 2 w. Chlordecone alcohol formation in the mongolian gerbil meriones unguiculatus. To determine whether gerbils can be used as a suitable animal model for giardiasis, we attempted to infect mongolian gerbils with cysts of giardia lamblia isolated from the stools of 10 humans with symptomatic and asymptomatic giardiasis. Disruption of pair bonding induces pregnancy failure in. Infected animals harbored significantly less worms deriving from the superinfection than the control group p meriones unguiculatus young, 2 weeks, on a hand author.
Our results provide incontrovertible evidence to support the contention that the spiny mouse is more closely related to the mongolian gerbil meriones unguiculatus than it is to mus musculus. The log10 50% infective dose results calculated by probit analysis and the spearmankarber method were 2. There is no defined role for itss, but they are linked. Effects of artemisinin and artemisia extracts on haemonchus. In this paper, we describe the common findings in the incipient microscopic type of this spontaneous ovarian tumour occurring in gerbils younger than two years of age. All procedures were approved by the florida state university institutional animal care and use committee and conformed to nih fig. Their use in science dates back to the latter half of the 19th century, but they only. Mongolian gerbils or jirds are rodent members of the class mammalia, order rodentia, and family muridae. However, interstitial telomere sites itss can also be found along the chromosomes, especially near the centromere, where they may appear following chromosomal rearrangements like robertsonian translocations. Camille harris, in manual of exotic pet practice, 2009. Journal of the american association for laboratory animal science, volume 40, number 5, september 2001, pp. Autoinfection of the parasite results in longlasting infection and fatal conditions, hyperinfection and dissemination primarily in immunosuppressed hosts. The mongolian gerbil meriones unguiculatus, more correctly called the mongolian jird, is also known as the clawed jird, the sand rat, or the desert rat. We studied the population ecology of mongolian gerbils meriones unguiculatus, a social rodent.
Disruption of pair bonding induces pregnancy failure in newly mated mongolian gerbils meriones unguiculatus in reproduction. Meriones unguiculatus fsu college of medicine florida state. Disaccharidase activity in the small intestine of gerbils. An effective surgical procedure for the removal of suspected neoplasms of the scent gland in mongolian gerbils meriones unguiculatus is presented. Morphological comparison of fourteen species of the genus meriones illiger, 1811 rodentia.
An meriones unguiculatus in nahilalakip ha genus nga meriones, ngan familia nga muridae. Melanocytes in the stria vascularis and vestibular labyrinth. Discrimination of individuals by odor in male mongolian. Exposure of male and female gerbils to flat and cliff living environments from 30 to 51 days of age modifies subsequent visual cliff behavior. The mongolian gerbil meriones unguiculatus is a small rodent widely used in laboratory for biomedical and behavioural research. Strongyloidiasis is lifethreatening disease which is mainly caused by strongyloides stercoralis infection. Biweekly population sizes of mongolian gerbils meriones unguiculatus in a 9 ha habitat from april to october 2006 in inner. The distribution of meriones ranges from northern africa to mongolia. Variable infectivity of humanderived giardia lamblia cysts. Meriones unguiculatus milneedwards, 1867 least concern meriones unguiculatus milneedwards, 1867 report on itis.
Aggressive behaviour and reproduction in the mongolian gerbil, meriones unguiculatus, relative to age and sexual experience at pairing in reproduction. Telomeric dna repeats are key features of chromosomes that allow the maintenance of integrity and stability in the telomeres. Pathogens free fulltext the experimental infections of. Media in category meriones unguiculatusthe following 90 files are in this category, out of 90 total. Some preliminary observations on the behavior of mongolian gerbils. Nutrient requirements of the gerbil the mongolian gerbil, meriones unguiculatus, used in laboratories in the united states, originates from animals captured in the amur river basin in eastern mongolia in 1935 rich, 1968. They reach puberty at 6585 days old, weigh 70110 g as adults, and live for approximately 3 years cheal, 1987b. The purpose of this study was to determine the 50% infective dose for giardia lamblia cdc. A sterotaxic atlas of the mongolian gerbil brain meriones. Metabolism of d1 cglucose in livers of meriones unguiculatus infected with echinococcus multilocularis. In an attempt to study the occurrence of concomitant immunity in filarial infections, jirds meriones unguiculatus were experimentally infected with acanthocheilonema viteae, and patent animals were superinfected with a defined dose of a. They are native to desert regions of mongolia and northeastern china, where they burrow extensively and live on grain, seeds, roots, and grass. Early experience and visual cliff behavior in the mongolian. However, mechanisms of autoinfection and biology remain largely unknown.
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