Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP

Detalhes bibliográficos
Autor(a) principal: Summa, Maria Eugenia Laurito
Data de Publicação: 1990
Outros Autores: Ebisui, Luci, Osaka, Junko Takano, Tolosa, Erasmo Magalhães Castro de
Tipo de documento: Artigo
Idioma: por
Título da fonte: Brazilian Journal of Veterinary Research and Animal Science
Texto Completo: https://www.revistas.usp.br/bjvras/article/view/51859
Resumo: The monogamous system employed in the Wistar rats colony bred at the Central Animal House CDTAEP) of the Faculdade de Medicina-USP showed insufficient for supplying the number of male rats required by the researchers. Aiming at the increase of production and to avoid females wastage, the harem cross-fostered system was introduced into the colony. In this study the  reproductive performance of the animals bred in each system was analyzed during a 17-month period. The results obtained indicated that the monogamous system had the best productivity and provided the young breeders for colony propagation. On the other hand, the harem system could be manipulated for male rats production. It was concluded that the simultaneous maintenance of the two breeding systems was convenient for supplying both laboratories and colony reposition requirements.
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spelling Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USPDesempenho reprodutivo de ratos Wistar mantidos em dois sistemas de criação na colônia convencional do Biotério Central da Faculdade de Medicina da USPAnimais de laboratório (criação)Reprodução (ratos)Laboratory animals breedingReproduction of ratsThe monogamous system employed in the Wistar rats colony bred at the Central Animal House CDTAEP) of the Faculdade de Medicina-USP showed insufficient for supplying the number of male rats required by the researchers. Aiming at the increase of production and to avoid females wastage, the harem cross-fostered system was introduced into the colony. In this study the  reproductive performance of the animals bred in each system was analyzed during a 17-month period. The results obtained indicated that the monogamous system had the best productivity and provided the young breeders for colony propagation. On the other hand, the harem system could be manipulated for male rats production. It was concluded that the simultaneous maintenance of the two breeding systems was convenient for supplying both laboratories and colony reposition requirements.0 sistema monogâmico de acasalamento empregado na criação de ratos Wistar do Biotério Central (DTAEP) da Faculdade de Medicina da USP mostrou-se insuficiente para o fornecimento da quantidade de ratos machos requerida pelos laboratórios de investigação médica. No intuito deaumentar a produção e, ao mesmo tempo, aproveitar o excesso de fêmeas produzidas, foi introduzido na colônia o sistema de harém cross-fostered. Neste estudo foi analisada, em um período de 17 meses, aperformance reprodutiva dos animais criados em cada um dos sistemas utilizados. Os resultados obtidos mostraram que o sistema monogâmico teve maior produtividade e forneceu os jovens reprodutores para a propagação da colônia. Por outro lado, o harém pode ser dirigido para a produção de ratos machos. Concluiu-se que a manutenção simultânea dos dois sistemas de criação foi adequada para atender tanto às necessidades dos laboratórios quanto à reposição da colônia.Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia1990-12-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjvras/article/view/5185910.11606/issn.0000-0000.272255-258Brazilian Journal of Veterinary Research and Animal Science; Vol. 27 Núm. 2 (1990); 255-258Brazilian Journal of Veterinary Research and Animal Science; Vol. 27 No. 2 (1990); 255-258Brazilian Journal of Veterinary Research and Animal Science; v. 27 n. 2 (1990); 255-258Brazilian Journal of Veterinary Research and Animal Science; V. 27 N. 2 (1990); 255-2581678-44561413-9596reponame:Brazilian Journal of Veterinary Research and Animal Scienceinstname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)instacron:USPporhttps://www.revistas.usp.br/bjvras/article/view/51859/55912Summa, Maria Eugenia LauritoEbisui, LuciOsaka, Junko TakanoTolosa, Erasmo Magalhães Castro deinfo:eu-repo/semantics/openAccess2020-06-23T04:57:19Zoai:revistas.usp.br:article/51859Revistahttps://www.revistas.usp.br/bjvrasPUBhttps://www.revistas.usp.br/bjvras/oaibjvras@usp.br1413-95961413-9596opendoar:https://www.revistas.usp.br/bjvras/index2023-01-12T16:43:22.408132Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)false
dc.title.none.fl_str_mv Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
Desempenho reprodutivo de ratos Wistar mantidos em dois sistemas de criação na colônia convencional do Biotério Central da Faculdade de Medicina da USP
title Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
spellingShingle Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
Summa, Maria Eugenia Laurito
Animais de laboratório (criação)
Reprodução (ratos)
Laboratory animals breeding
Reproduction of rats
title_short Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
title_full Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
title_fullStr Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
title_full_unstemmed Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
title_sort Breeding performance of Wistar rats bred in two systems at the conventional Animal House of the Faculdade de Medicina-USP
author Summa, Maria Eugenia Laurito
author_facet Summa, Maria Eugenia Laurito
Ebisui, Luci
Osaka, Junko Takano
Tolosa, Erasmo Magalhães Castro de
author_role author
author2 Ebisui, Luci
Osaka, Junko Takano
Tolosa, Erasmo Magalhães Castro de
author2_role author
author
author
dc.contributor.author.fl_str_mv Summa, Maria Eugenia Laurito
Ebisui, Luci
Osaka, Junko Takano
Tolosa, Erasmo Magalhães Castro de
dc.subject.por.fl_str_mv Animais de laboratório (criação)
Reprodução (ratos)
Laboratory animals breeding
Reproduction of rats
topic Animais de laboratório (criação)
Reprodução (ratos)
Laboratory animals breeding
Reproduction of rats
description The monogamous system employed in the Wistar rats colony bred at the Central Animal House CDTAEP) of the Faculdade de Medicina-USP showed insufficient for supplying the number of male rats required by the researchers. Aiming at the increase of production and to avoid females wastage, the harem cross-fostered system was introduced into the colony. In this study the  reproductive performance of the animals bred in each system was analyzed during a 17-month period. The results obtained indicated that the monogamous system had the best productivity and provided the young breeders for colony propagation. On the other hand, the harem system could be manipulated for male rats production. It was concluded that the simultaneous maintenance of the two breeding systems was convenient for supplying both laboratories and colony reposition requirements.
publishDate 1990
dc.date.none.fl_str_mv 1990-12-02
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.revistas.usp.br/bjvras/article/view/51859
10.11606/issn.0000-0000.272255-258
url https://www.revistas.usp.br/bjvras/article/view/51859
identifier_str_mv 10.11606/issn.0000-0000.272255-258
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://www.revistas.usp.br/bjvras/article/view/51859/55912
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia
publisher.none.fl_str_mv Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia
dc.source.none.fl_str_mv Brazilian Journal of Veterinary Research and Animal Science; Vol. 27 Núm. 2 (1990); 255-258
Brazilian Journal of Veterinary Research and Animal Science; Vol. 27 No. 2 (1990); 255-258
Brazilian Journal of Veterinary Research and Animal Science; v. 27 n. 2 (1990); 255-258
Brazilian Journal of Veterinary Research and Animal Science; V. 27 N. 2 (1990); 255-258
1678-4456
1413-9596
reponame:Brazilian Journal of Veterinary Research and Animal Science
instname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)
instacron:USP
instname_str Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)
instacron_str USP
institution USP
reponame_str Brazilian Journal of Veterinary Research and Animal Science
collection Brazilian Journal of Veterinary Research and Animal Science
repository.name.fl_str_mv Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)
repository.mail.fl_str_mv bjvras@usp.br
_version_ 1797051563265490944

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