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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1946 3
1947 5
1948 1
1949 4
1950 2
1951 4
1952 3
1954 7
1955 3
1956 6
1957 6
1958 6
1959 4
1960 5
1961 14
1962 15
1963 15
1964 18
1965 8
1966 10
1967 11
1968 8
1969 1
1970 4
1971 4
1972 2
1973 4
1974 10
1975 1
1976 22
1977 13
1978 6
1979 7
1980 25
1981 27
1982 6
1983 10
1984 9
1985 14
1986 2
1987 6
1988 20
1989 14
1990 31
1991 186
1992 4503
1993 9461
1994 9551
1995 9598
1996 9246
1997 9526
1998 9499
1999 9158
2000 9199
2001 8968
2002 8932
2003 9277
2004 9604
2005 10050
2006 10416
2007 10334
2008 10631
2009 10635
2010 10957
2011 11107
2012 11622
2013 11123
2014 11022
2015 10454
2016 10088
2017 9692
2018 9009
2019 4468
2020 84
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244,636 results
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Page 1
Slc:Wistar outbred rats show close genetic similarity with F344 inbred rats.
Nakanishi S, et al. Exp Anim 2015. PMID 25195633 Free PMC article.
Although Slc:Wistar rats are used widely in biomedical research as outbred rats, close similarities in growth curves, survival rates, and immunological and biochemical phenotypes have been reported between Slc:Wistar and F344 inbred rats. ...These findings indicate the low genetic variation in Slc:Wistar rats and the high genetic similarity between the Slc:Wistar and F344 inbred rats. ...
Although Slc:Wistar rats are used widely in biomedical research as outbred rats, close similarities in growth curves, s …
Isolation-induced ultrasonic vocalizations in pups: A comparison between Long-Evans, Sprague-Dawley, and Wistar rats.
Schwarting RKW and Wöhr M. Dev Psychobiol 2018. PMID 29797318
Rat pup ultrasonic vocalizations (USV) are usually studied in outbred rats belonging to either Long-Evans, Sprague-Dawley, or Wistar stocks, but these were not compared so far. ...
Rat pup ultrasonic vocalizations (USV) are usually studied in outbred rats belonging to either Long-Evans, Sprague-Dawley, or Wist
Variability in the cardiac venous system of Wistar rats.
Krešáková L, et al. J Am Assoc Lab Anim Sci 2015. PMID 25651085 Free PMC article.
Rats are often used as animal models in experimental cardiology for studying myocardial infarctions and various cardiologic procedures. ...The purpose of this study was to describe the anatomic configuration and variability of the cardiac venous system in Wistar rats, by using the corrosion cast method and perfusion of colored latex. ...
Rats are often used as animal models in experimental cardiology for studying myocardial infarctions and various cardiologic procedure
Air puff-induced 22-kHz calls in F344 rats.
Inagaki H and Sato J. Physiol Behav 2016. PMID 26723270
Therefore, we considered it necessary to assess air puff-induced 22-kHz calls in inbred rats. In this study, we assessed differences in air puff-induced 22-kHz calls between inbred F344 rats and outbred Wistar rats. Male F344 rats displayed similar total (summed) duration of air puff-induced 22 kHz vocalizations to that of male Wistar rats, however, Wistar rats emitted fewer calls of longer duration, while F344 rats emitted higher number of vocalizations of shorter duration. ...
Therefore, we considered it necessary to assess air puff-induced 22-kHz calls in inbred rats. In this study, we assessed differences …
Sex differences in juvenile play behavior differ among rat strains
Northcutt KV and Nwankwo VC. Dev Psychobiol 2018. PMID 29969514
In this experiment, we tested play and defensive behaviors in male and female Long-Evans, Sprague-Dawley, and Wistar rats. When observed with a cage mate during the juvenile period, Long-Evans rats played more than Wistar animals, but there were no sex differences in any strain. When tested with an unfamiliar sibling (not seen since weaning), both Long-Evans and Wistar rats played more than Sprague-Dawley animals, and Long-Evans females played more than males. ...
In this experiment, we tested play and defensive behaviors in male and female Long-Evans, Sprague-Dawley, and Wistar rats. Whe …
Responding by exclusion in Wistar rats in a simultaneous visual discrimination task.
Felipe de Souza M and Schmidt A. J Exp Anal Behav 2014. PMID 25220019
The aim of this study was to verify the occurrence of responding by exclusion in Wistar rats after a baseline of simple simultaneous visual discrimination. ...This is the first experimental evidence for performance by exclusion in rats....
The aim of this study was to verify the occurrence of responding by exclusion in Wistar rats after a baseline of simple simult …
Histomorphometry of the tibia and mandible of healthy female Wistar rats at different stages of growth.
Nenda MM, et al. Exp Anim 2016. PMID 26568145 Free PMC article.
Female Wistar rats are frequently used in experimental models to study hormone and bone pathologies and treatments. Most experimental studies involving histomorphometric evaluation assessed long bones, and few reports also studied mandibular bone. The aim of this work was to clarify and distinguish the age-related histomorphometric changes that occur in the tibia (subchondral bone) and in the mandible (interradicular bone), and thus obtain reference histomorphometric data of healthy female Wistar rats at different growth stages. ...
Female Wistar rats are frequently used in experimental models to study hormone and bone pathologies and treatments. Most exper …
Male Wistar rats show individual differences in an animal model of conformity.
Jolles JW, et al. Anim Cogn 2011. PMID 21465219 Free PMC article.
Male Wistar rats were given the opportunity to learn that two diets differed in palatability. They were subsequently exposed to a demonstrator that had consumed the less palatable food. ...Just like female rats, male rats decreased their preference for the more palatable food after interaction with demonstrator rats that had eaten the less palatable food. ...
Male Wistar rats were given the opportunity to learn that two diets differed in palatability. They were subsequently exposed t …
Investigatory behavior of a novel conspecific by Wistar Kyoto, Wistar and Sprague-Dawley rats.
Paré WP. Brain Res Bull 2000. PMID 11179840
Only WKY rats, exposed to prior stress, revealed a significant reduction in investigatory behavior. In Experiment 2, using only WKY and Wistar rats, a factorial design was used to observe any differences between two stressors, namely tail shock and water restraint, and also to observe possible differences in investigatory behavior towards male vs. female intruder rats. Restraint stress and shock stress elicited significant reductions in investigatory behavior for WKY rats, but not Wistar rats, when confronted with female intruder rats. ...
Only WKY rats, exposed to prior stress, revealed a significant reduction in investigatory behavior. In Experiment 2, using only WKY a …
Motion perception in rats (Rattus norvegicus sp.): deficits in albino Wistar rats compared to pigmented Long-Evans rats.
Hupfeld D and Hoffmann KP. Behav Brain Res 2006. PMID 16563528
Motion perception was tested in pigmented Long-Evans and albino Wistar rats (Rattus norvegicus sp.) using moving random dot patterns. ...These results indicate that pigmented rats have well developed motion coherence perception, whereas albino rats are severely impaired but not motion blind....
Motion perception was tested in pigmented Long-Evans and albino Wistar rats (Rattus norvegicus sp.) using moving random dot pa …
244,636 results
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