Skip to content

Profile Picture
  • All
  • Search
  • Images
  • Videos
  • Maps
  • News
  • More
    • Shopping
    • Flights
    • Travel
  • Tools
About 179,000 results
Open links in new tab
Any time
  1. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Mating success of timed pregnancies in Sprague Dawley rats ...

    Sep 1, 2022 · This study compares three different mating techniques in Sprague-Dawley rats, using the pregnancy rate as the main indicator of success. It provides recommendations for …

  2. criver.com
    https://assets.www.criver.com › ... › hcd-pa-rats.pdf
    [PDF]

    Reproductive Historical Control Data in Rats at the Charles …

    NATURAL DELIVERY AND LITTER PARAMETERS SPRAGUE DAWLEY [Crl:CD(SD)] RATS (STUDIES WITHOUT CULLING) PERIOD: 2019 THROUGH 2020 MEAN or % MINIMUM NO. …

  3. scienceinsider.blog
    https://scienceinsider.blog › rat-litter-size

    Rat Litter Size: Pup Count & Healthy Litters - scienceinsider.blog

    May 12, 2025 · Formal, Professional Neutral, Authoritative The Sprague Dawley rat, a common model in laboratory research, often serves as a reference point when discussing reproductive …

  4. nih.gov
    https://www.ncbi.nlm.nih.gov › books › bin
    [PDF]

    HMB Chronic Perinatal Litter Data Analysis in Female Harlan …

    a: P-value and direction of trend b: Each dose was compared to the control with Shirley’s test when a trend was present [P<.01 from Jonckheere’s trend test] or ...

  5. oup.com
    https://academic.oup.com › biolreprod › article

    Age at Puberty and First Litter Size in Early and Late Paired Rats

    Mar 1, 1986 · The rate of sexual maturation among female Sprague-Dawley rats was measured in a variety of intraspecific social environments. It was found that females of this strain differ from …

  6. jst.go.jp
    https://www.jstage.jst.go.jp › article › _pdf › -char › en
    [PDF]

    Pattern of Pregnancy and Parturition in Sprague-Dawley Rats

    Several parameters on pregnancy and parturition of primiparous Sprague-Dawley rats were examined. Interval between placing withmales and pregnancy averaged 7.4}1.1 days and 75% …

  7. inotiv.com
    https://www.inotiv.com › research-model › hsd-sprague-dawley-sd

    Sprague Dawley® SD® outbred rats - inotiv.com

    Litter average: 11.0 Most widely-used outbred rat in animal research Origin: Established in 1925 by Robert Dawley, the original Sprague Dawley rat colony was obtained by Harlan in 1980 …

  8. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Influence of litter size on the postnatal growth of rat pups: Is …

    Nov 1, 2009 · In this study we examined the influence of rat litter size on the maternal body weight gain during pregnancy and lactation, as well as on pup body weight gain, somatic maturation …

  9. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Implantation and pregnancy outcome of Sprague–Dawley rats …

    Dec 1, 2016 · The remaining rats were allowed to deliver after which the litter size and birth weight were also measured. Estradiol, progesterone, prostaglandin E 2, nitric oxide metabolites and …

  10. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Litter size affects emotionality in adult male rats - ScienceDirect

    Nov 23, 2007 · The role of natural variations in pre-weaning litter size in rodent adult emotionality and the importance of maternal care as a possible mediating factor have been frequently …

  11. sciencedirect.com
    https://www.sciencedirect.com › science › article › abs › pii

    Mating success of timed pregnancies in Sprague Dawley rats ...

    Sep 1, 2022 · This study compares three different mating techniques in Sprague-Dawley rats, using the pregnancy rate as the main indicator of success. It provides recommendations for …

  12. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Lifetime breeding studies in fully fed and dietary restricted female ...

    Dec 1, 1985 · Abstract The capacity of female CFY Sprague-Dawley rats to bear multiple litters when breeding was commenced at increasing ages was assessed under the following …

  13. criver.com
    https://www.criver.com › products-services › find-model › cd-sd-igs-rat

    Sprague Dawley Rats | Charles River

    Sprague Dawley Rats (CD® IGS) Details Known for their calm demeanor, adaptability, and genetic reliability, the Sprague Dawley (SD) rat has become indispensable for advancing our …

  14. hlisrael.com
    https://hlisrael.com › animal-models › sprague-dawley-outbred-rats

    Sprague Dawley® - HLI

    Reproductive Metrics: Average litter size of 11.0 Widely Used: Recognized as the most widely used outbred rat in animal research Lineage and Origin: The Hsd:Sprague Dawley® SD® rat, …

  15. sagepub.com
    https://journals.sagepub.com › doi › pdf
    [PDF]

    Interspecies Comparison of Control Data From Embryo–Fetal …

    The objective of this evaluation was to compare litter parameters and the frequency of external, visceral, and skeletal malformations and variations across species in the Sprague-Dawley rat, …

  16. taconic.com
    https://www.taconic.com › resources › what-are-timed-pregnant-mice-rats

    Timed Pregnant Mice & Rats: Key Tools for Developmental Research

    Feb 7, 2025 · Embryonic Diapause in Timed Pregnant Mice and Rats Several methods are used to determine gestational age including development, weight, size, and appearance, however …

  17. animalab.eu
    https://animalab.eu › download
    [PDF]

    The Development and Maintenance of the Crl:CD(SD) IGS BR …

    Theresulting foundation col onwhich y all transfer ofbreed stock from Sprague Dawley Inc. in1950 often production ofCrl:CD"'(SD)IGS BRanimals isbased reflects this referred toasSprague …

  18. up.ac.za
    https://repository.up.ac.za › bitstreams › download
    [PDF]

    Unilateral salpingectomy in Sprague Dawley rats and its …

    The study described a novel, rapidly performed, successful and safe surgical procedure in rats to achieve a reduction in the number of conceptuses. The objectives were to investigate the total …

  19. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Lactation Studies. V. Effect of Litter Size and Number of Lactation ...

    Effect of Litter Size and Number of Lactation upon Milk Yields in Sprague-Dawley Rats with Observations on Rates of Gains of Young in Litters of Various Sizes1 R.R.Reddy, J.D.Donker

  20. sciencedirect.com
    https://www.sciencedirect.com › science › article › pii

    Developmental and reproduction toxicity of piperonyl butoxide …

    Oct 1, 2022 · Part 1: Developmental Safety of Piperonyl Butoxide in the CD ® (Sprague Dawley) Rat. Part 2: Developmental Safety of Piperonyl Butoxide in the NZW Rabbit. Part 3: Two …

  21. Pagination

    • 1
    • 2
    • 3
    • 4
    • Next
      © 2025 Microsoft
      • Privacy and Cookies
      • Legal
      • Advertise
      • About our ads
      • Help
      • Feedback
      • Consumer Health Privacy
      AllPast 24 hoursPast weekPast monthPast year