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Vivo Bio Tech to provide international quality lab animals in partnership with Taconic

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Taconic, a leading provider of life sciences solutions, and Vivo Bio Tech Ltd., a full-service contract research organization, announced they have entered into an agreement under which Vivo Bio Tech will gain rights to breed and distribute select Taconic mouse and rat models in India.     Read More

Taconic is a global provider of genetically modified mouse and rat models and services. As a full-service industry leader, founded in 1952, Taconic helps clients acquire, test, develop, breed, cryopreserve, prepare, and distribute highly relevant research lines worldwide. Whether you require custom genetically engineered, humanized or research-ready models, Taconic's scientists will partner with you to rapidly and efficiently obtain the high quality models needed for your discovery or preclinical programs.     Read More



SD Rat BALB/c Mouse C57BL/6 Mouse
SD Rat BALB/c Mouse C57BL/6 Mouse
Swiss Webster Mouse NCr Nude Mouse Scid-beige Mouse
Swiss Webster Mouse NCr Nude Mouse Scid-beige Mouse

SD Rat

Nomenclature: NTac:SD

Model Description:

  • Used in virtually all disciplines of biomedical research including toxicology and pharmacology
  • Excellent reproductive performance makes the SD rat a good model for generating timed pregnant females

Origin: The Sprague Dawley outbred model was developed by Sprague Dawley, Inc. NIH received stock from Sprague Dawley, Inc in 1945. The rats are maintained as an outbred closed colony. Taconic received stock from the NIH Animal Genetic Resource in 1970. The rats were refreshed with NIH Genetic Resource stock in 1998. Vivo Bio Tech received the breeders in April 2011 from Taconic.

Color: Albino

Coat Color Loci: Tyrc

Health Standard: MPF (Murine Pathogen Free)

Unit Pricing: Rs.1,400 {Irrespective of Age (3-10 wks.) and gender}


BALB/c Mouse

Nomenclature: BALB/cAnNTac

Model Description:

  • A general purpose inbred strain for many different research disciplines
  • Often used for the production of monoclonal antibodies using hybridomas of BALB/c spleen cell origin
  • It exhibits good breeding performance and long reproductive life span

Origin: The BALB/c inbred model was first bred by Bagg et al. MacDowell received stock from Bagg in 1923 which were then inbred. Snell received stock from MacDowell in 1932. Andervont received stock from Snell in 1935. NIH received stock at F72 from Andervont in 1951. Taconic's BALB/c mice originated from NIH at F184 prior to 1988. Taconic received litters at F184 from the NIH Animal Genetic Resource in 1997. The mice were derived by embryo transfer in 1998. The Taconic foundation colony was at F229 in 2005. Vivo Bio Tech received the breeders in April 2011 from Taconic.

Color: Albino

Coat Color Loci: Tyrp1b, Tyrc

Health Standard: MPF (Murine Pathogen Free)

Unit Pricing: Rs.1,200 {Irrespective of Age (3-8 wks.) and gender}


C57BL/6 Mouse

Nomenclature: C57BL/6NTac

Model Description:

  • The most widely used inbred as the genetic background for transgenic and mutant mice
  • Popular in research applications of oncology, immunology and toxicology

Origin: C57BL/6 litters were received in 1991 at F151 from the NIH Animal Genetic Resource. Cesarean derived in 1991 at Taconic, a foundation colony is maintained in gnotobiotic isolators. Origin is as follows: to NIH in 1951 from Jax at F32; to Jax in 1948 from Hall. Vivo Bio Tech received the breeders in June 2013 from Taconic.

Color: Black

Coat Color Loci: a

Health Standard: MPF (Murine Pathogen Free)

Unit Pricing: Rs.1,200 {Irrespective of Age (3-8 wks.) and gender}


Swiss Webster Mouse

Nomenclature: Tac:SW

Model Description:

  • Extensively used for decades as an all-purpose stock for research and drug safety testing
  • Often used as recipient mother in transgenic labs due to its superior nurturing ability
  • Swiss Webster females are also ideal pseudopregnant recipients for embryo transfers of black and agouti mouse lines

Origin: Taconic received the Swiss Webster outbred model from the Rockefeller Institute through Rockland Farms Inc in 1940. The mice have been maintained as a closed colony since 1951. The mice were derived by caesarean from randomly chosen breeders and reintroduced into a Barrier Nucleus Expansion Colony in 1965-1969. The mice were derived by caesarean in 1983 from randomly chosen breeders from all Taconic's barrier units. Vivo Bio Tech received the breeders in June 2013 from Taconic.

Color: Albino

Coat Color Loci: Tyrc

Health Standard: MPF (Murine Pathogen Free)

Unit Pricing: Rs.500 {Irrespective of Age (3-8 wks.) and gender}


NCr Nude Mouse

Nomenclature: CrTac:NCr-Foxn1nu

Model Description:

  • Outbred background originated from an accidental cross between the BALB/c inbred nude and NIH(S) outbred nude mice
  • The standard athymic model for National Cancer Institute (NCI) studies as well as many pharmaceutical and institutional oncology screening programs

Origin: Taconic received the NCr nude Spontaneous mutant model from NCI in 1993 after several years of random breeding. The mice were derived by hysterectomy to achieve Germfree status prior to introduction into Restricted Floraâ„¢ IBU colonies. These mice have both BALB/c inbred and NIH(S) outbred stock in their genetic background. Vivo Bio Tech received the breeders in June 2013 from Taconic Farms.

Color: Albino

Coat Color Loci: Tyrc

Health Standard: RFTM (Restricted FloraTM)

Unit Pricing: Rs. 3,000 {Irrespective of Age (3-8 wks.) and gender}


Scid-beige Mouse

Nomenclature: C.B-Igh-1b/GbmsTac-Prkdcscid-Lystbg N7

Model Description:

  • The mutations were backcrossed seven generations to the congenic C.B-17 background
  • Maintained in flexible-film isolators under gnotobiotic conditions
  • This double mutant model carries the scid mutation which causes a lack of both T and B lymphocytes due to a defect in V(D)J recombination
  • It also carries the beige mutation which results in cytotoxic T cell and macrophage defects as well as selective impairment of NK cell functions. As a result, SCID-BEIGE mice are potentially an improved model for receipt of xenotransplants and for infectious disease studies
  • It has also been observed that the C.B-17 SCID-BEIGE strain has a lower incidence of serum Ig relative to the C.B-17 SCID strain

Origin: The scid-beige Spontaneous mutant model was developed by Dr. Anne Croy et al of the University of Guelph in April 1993 by intercrossing C.B-17 from R. A. Phillips to C57BL/6-bg from the Jackson Laboratory. The beige (Lyst bg) mutation was backcrossed seven generations (N7) to a C.B.17 scid spontaneous mutant background from the Ontario Cancer Institute. Vivo Bio Tech received the breeders in June 2013 from Taconic.

Color: Albino

Coat Color Loci: Tyrp1b, Tyrc, Lystbg

Health Standard: RF (Restricted Flora)

Unit Pricing: Rs. 5,000 {Irrespective of Age (3-8 wks.) and gender}

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