sprague dawley charles river

Paradis FH(1), Downey AM(1), Beaudry F(1), Pinêtre C(1), Ellemann-Laursen S(2), Makin A(2), Hill K(3), Singh P(4), Hargitai J(5), Forster R(4), Tavcar R(1), Authier S(1). The rats were refreshed with NIH Genetic Resource stock in 1998. Overall, female and male Sprague Dawley rats from Taconic exhibited heightened levels of anxiety-related measures in open field performance and the light-dark box test compared to Sprague Dawley rats originating from Charles River and Envigo. Bioz Stars score: 92/100, based on 12 PubMed citations. One hundred and twenty six- to seven-week old Sprague Dawley CD® IGS rats (from Charles River Laboratories, Raleigh, North Carolina) were acclimated in suspended stainless steel cages for five days prior to random assignment to control or treatment groups. We used 3-day-old male and female Sprague Dawley rats (Charles River, Sulzheim, Germany). We collected behavioral data from 4,625 SD rats acquired predominantly from two commercial vendors, Charles River Laboratories and Harlan Sprague Dawley Inc. Forty Sprague Dawley [Crl:CD(SD)] rats, weighing between 200 and 450 g, were obtained from Charles River Laboratories (Lentilly, France). The Jackson Laboratory, Charles River Laboratories, Taconic Biosciences, and Harlan Laboratories are the main suppliers. 25 Sprague–Dawley rats (Charles River UK) and 7 Wistar–Kyoto rats (Charles River UK) were implanted with radiotelemetry transmitters (TL10M3-F50-EET, Data Sciences International, St Paul, MN, USA) intraperitoneally or subcutaneously under isoflurane anaesthesia for the recording of the electroencephalogram (EEG) and electromyogram (EMG). Die Tiere werden in vier Gruppen eingeteilt. The National Institutes of Health (NIH) received stock in 1945, while Taconic received its stock from the NIH Animal Genetic Resource in 1970. Charles River Sprague Dawley Female Rats Lack the ‘Traditional’ Window of Susceptibility to DMBA-Induced Carcinogenesis The percentage of rats with CIS plus INV (tumors) for each DMBA dose at each age of exposure is shown in Figure 1. All animals were kept under standard laboratory housing conditions with a 12 h light–dark cycle and with an adult female Sprague Dawley Note that the DMBA dose is not directly comparable among cohorts by age. This chapter will give an overview of background lesions encountered in both young and older Wistar and Sprague-Dawley rats. The Sprague Dawley® outbred model was developed by Sprague Dawley, Inc. NIH received stock from Sprague Dawley, Inc in 1945. Major research applications are in immunology, oncology, physiology, pathology, and neuroscience. Benign tumors (adenoma and fibroadenomas) are excluded. Sprague-Dawley rats (Charles River Laboratories, Inc., Cr1: CD (SD) rats) ranging in age from PND 0 to PND 42 were selected from a pool of clinically normal rats available in the WIL Research stock colony. Introduction. Animals were group housed in polycarbo-nate bins and separated during designated procedures. Chronic Toxicity & Carcinogenicity Studies. Charles River Sprague Dawley Female Rats Have Increase Susceptibility to Pituitary Hyperplasia, Adenomas, and Spontaneous Carcinomas. males and 130 females) Crl:CD(SD) Sprague-Dawley rats were received from Charles River Laboratories, Inc. (Raleigh, NC). Cardiomyopathy (Fig. The rats are maintained as an outbred closed colony. Each group was assigned 10 female and 10 male rats. The Sprague‐Dawley (SD) rat model of DIO provides an experimental system for investigating the basis of differential susceptibility or resistance to DIO (, ) and the different effects of body weight gain on the level of body weight that will subsequently be defended (, , ). Charles River Sprague Dawley Female Rats Have Increase Susceptibility to Pituitary Hyperplasia, Adenomas, and Spontaneous Carcinomas. NTP's decision came after much deliberation including consideration of historical data from eight previous NTP cancer studies using the female Sprague Dawley rat, and very favorable data on litter size, sex ratio, and body weight. The spontaneously hypertensive rat and the Lewis rat are other well-known stocks developed from Wistar rats. Despite this, the genetic characteristics of SD are poorly understood. Coat Color Loci: Tyr c. Color: Albino. Der Test wird an 60 Ratten (30 männlich, 30 weiblich) durchgeführt. Between April 2000 and April 2007, however, sixty-two hibernomas (an overall prevalence of 3.52%) were observed in a total of 1760 Sprague-Dawley rats assigned to three carcinogenesis bioassays at two separate research laboratories. Furthermore, we examined the contribution of stress hormones to vendor differences by measuring serum corticosterone levels in rats after elevated … A good source of information is Charles-River WWW site. Oct 8, 2020 - Charles River provides laboratory animal models, including the Sprague Dawley® rat, for use in basic research and nonclinical drug discovery and development. The cortical EEG electrodes (stainless steel … The temperature of the animal room was kept between 19 C and 25 C, with humidity between 30% and 70%. The rat is the preferred species for testing according to the OECD 416 Guidelines for the two-generation reproductive toxicity study. 1 Arterial blood from 63 male (315 - 500 g) and 60 female (210 - 290 g) healthy Sprague-Dawley rats was ana lyzed for 16 hematological and 22 clinical chemistry parameters. ZERO BIAS - scores, article reviews, protocol conditions and more Author information: (1)Pfizer Centre de Recherche, Amboise, France. To Charles River in 1950 from Sprague Dawley, Inc. Cardiovascular system. Interspecies Comparison of Control Data From Embryo-Fetal Development Studies in Sprague-Dawley Rats, New Zealand White Rabbits, and Göttingen Minipigs. Journal: Cardiovascular Diabetology. Charles River Laboratories male sprague dawley rats Male Sprague Dawley Rats, supplied by Charles River Laboratories, used in various techniques. Sprague-Dawley and Wistar are the main rat strains. Sprague Dawley ( SD ) rats are one of the most commonly used outbred rat strains. All rats were obtained from Charles River’s breeding facilities in either Portage, Michigan, or Raleigh, North Carolina. At receipt, the males and females were approximately 45 and 37 days of age, respectively. Sprague Dawley Sd Rats, supplied by Charles River Laboratories, used in various techniques. The mammary glands varied from lobules with milk-filled cystic spaces (as indicated … Taconic received stock from the NIH Animal Genetic Resource in 1970. In general, Sprague-Dawley grow considerably bigger, but are more docile in character (that is, are less temperamental). Article Snippet: Adult male Sprague-Dawley rats (Charles River, Würtzburg, Germany) were housed for two weeks in LD 12:12 lighting cycles (lights on at 7:00 AM) with food and water ad libitum . Sprague dawley rat janvier labs brown norway rat charles river hilltop lab animals inc hla wi an weights of sprague dawley rats paediatric growth chart interpretation Cd Sprague Dawley Igs Rat Charles River LaboratoriesCd Sprague Dawley Igs Rat Charles River LaboratoriesSas Sprague Dawley Rat Charles River LaboratoriesSprague Dawley Rat Janvier LabsGrowth Curve The Body Weight… Consequently, NTP adopted the Sprague Dawley (Hsd:Sprague Dawley SD) rat as the default NTP rat strain. To Charles River in 1959. Wistar rats are more active than others like Sprague Dawley rats. Appetitive, antinociceptive, and hypothermic effects of vaped and injected Δ-9-tetrahydrocannabinol (THC) in rats: exposure and dose-effect comparisons by strain and sex Dear Editor: A recent article in Comparative Medicine by McAdams and colleagues 6 claimed to find a high prevalence of left ventricular hypertrophy in Sprague–Dawley rats originating from both Charles River and from Harlan Sprague–Dawley. Taconic refreshed its colony with NIH Genetic Resource stock in 1998, and the rats are maintained by rotational breeding in a closed colony. CD® (Sprague Dawley) IGS Rat Originated in 1925 by Robert W. Dawley from a hybrid hooded male and a female Wistar rat. Techniques: Expressing. 1 Arterial blood from 63 male (315 - 500 g) and 60 female (210 - 290 g) healthy Sprague-Dawley rats was ana lyzed for 16 hematological and 22 clinical chemistry parameters.2 Nine … Contaminated urine was simulated by exposing water samples to cage pan contaminants, including cleaning solutions, feces from nonhuman primates, Beagle dogs, and Sprague–Dawley rats, certified laboratory animal diets, and dietary enrichments (vegetables, fruits, and food treats). Species: Rat. Incidence of neoplastic lesions in untreated Sprague-Dawley rats (1340 males and 1329 females) used as controls in 17 carcinogenicity studies are tabulated and evaluated. Male Sprague-Dawley rats (Charles River Laboratories) were 11 to 12 weeks old and weighed between 390 and 497 g at dose initiation. 2.1) in aging rats (spontaneous cardiomyopathy) is a common lesion of older rats. Bioz Stars score: 93/100, based on 5306 PubMed citations. Tiere: 60 Sprague-Dawley Ratten * (Charles River *, Sulzfeld, Deutschland) Es handelt sich hierbei um einen Giftigkeitstest des chemischen Produktes 4-Acetamido-TEMPO. ZERO BIAS - … The Sprague Dawley rat and Long–Evans rat were developed from Wistar rats. The mammary glands varied from lobules with milk-filled cystic spaces … 1925 by R. Dawley, Sprague Dawley Company, Madison, Wisconsin. Long–Evans rat The Long–Evans rat is an outbred rat developed by Drs. Figure 3 shows the types of histology found within the mammary glands of the 100 day cohort exposed only to a single oral gavage of corn oil three months prior to sacrifice. The animals had no previous treatment regimen. Chronic … Figure Figure3 3 shows the types of histology found within the mammary glands of the 100 day cohort exposed only to a single oral gavage of corn oil three months prior to sacrifice. Coat Color: White (albino) Ideal for: General multipurpose model, safety and efficacy testing, aging, pseudo pregnancy, surgical model. Fat, frail and dying young: survival, body weight and pathology of the Charles River Sprague-Dawley-derived rat prior to and since the introduction of the VAFR variant in 1988. Nohynek GJ(1), Longeart L, Geffray B, Provost JP, Lodola A. Specific strains or ES cell lines can be searched at IMSR database. Hyperplasia, Adenomas, and Spontaneous Carcinomas rats are maintained by rotational breeding in a closed.! Female and 10 male rats and Harlan Laboratories are the main suppliers Guidelines the... 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