Plasmatic urea levels influence on citogenetic parameters of wool-less rams
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | , , , |
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/5860 |
Resumo: | The experiment was planned to verify the effects of increasing blood urea levels resulting from increasing urea in the diet on cytogenetic parameters of Santa Ines Brazilian breed rams (Ovis aries), aged 13 to 18 months. Eighteen animals were divided into three experimental treatments consisted of: diet A ration with nitrogen levels, according to NRC (1985); diet B - ration with a 133% higher level of nitrogen than diet A; and C- ration with a 166% higher level of nitrogen than diet A. The increase in nitrogen level was obtained by adding 20, 40 g of feed grade urea in treatments B and C, respectively. Blood was collected on a weekly basis to determine urea concentration. Blood was also collected from each animal, 60 days after desired diet urea levels were reached, to obtain a lymphocyte culture in order to count chromosome number and determine mitotic index. Increases in plasma urea level were observed (p < 0.0001), but did not affect the observed traits. |
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USP-49 |
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Brazilian Journal of Veterinary Research and Animal Science |
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Plasmatic urea levels influence on citogenetic parameters of wool-less ramsInfluência do nível de uréia plasmático sobre parâmetros citogenéticos de machos ovinos deslanadosUreaCytogeneticsChromosomesRamsUréiaCitogenéticaCromossomosCarneirosThe experiment was planned to verify the effects of increasing blood urea levels resulting from increasing urea in the diet on cytogenetic parameters of Santa Ines Brazilian breed rams (Ovis aries), aged 13 to 18 months. Eighteen animals were divided into three experimental treatments consisted of: diet A ration with nitrogen levels, according to NRC (1985); diet B - ration with a 133% higher level of nitrogen than diet A; and C- ration with a 166% higher level of nitrogen than diet A. The increase in nitrogen level was obtained by adding 20, 40 g of feed grade urea in treatments B and C, respectively. Blood was collected on a weekly basis to determine urea concentration. Blood was also collected from each animal, 60 days after desired diet urea levels were reached, to obtain a lymphocyte culture in order to count chromosome number and determine mitotic index. Increases in plasma urea level were observed (p < 0.0001), but did not affect the observed traits.O experimento foi planejado para verificar o efeito do aumento dos níveis plasmáticos de uréia, resultantes do acréscimo de uréia à dieta, sobre parâmetros citogenéticos de ovinos (Ovis aries) deslanados brasileiros, da raça Santa Inês, com idade entre 13 e 18 meses. Dezoito animais foram distribuídos a três dietas que consistiam de: dieta A - ração contendo níveis de nitrogênio de acordo com NRC (1985); dieta B - ração contendo nível de nitrogênio 133% superior ao da ração A; e dieta C - ração contendo nível de nitrogênio 166% superior ao da ração A. O aumento no nível de nitrogênio foi obtido com acréscimo de 20 e 40 g de uréia grau alimento, para os tratamentos B e C, respectivamente. A colheita de sangue para determinação do nível de uréia no plasma foi semanal. Para a realização da cultura de linfócitos, para a verificação do número de cromossomos e índice mitótico, 60 dias após terem sido alcançados os níveis de uréia desejados na dieta, foi coletado sangue de cada animal. O aumento dos níveis de uréia no plasma (p < 0,0001) não afetou os parâmetros observados.Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia2000-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjvras/article/view/586010.1590/S1413-95962000000600005Brazilian Journal of Veterinary Research and Animal Science; Vol. 37 Núm. 6 (2000); 449-452Brazilian Journal of Veterinary Research and Animal Science; Vol. 37 No. 6 (2000); 449-452Brazilian Journal of Veterinary Research and Animal Science; v. 37 n. 6 (2000); 449-452Brazilian Journal of Veterinary Research and Animal Science; V. 37 N. 6 (2000); 449-4521678-44561413-9596reponame: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/5860/62549Cortada, Carmen Neusa MartinsLucci, Carlos de SousaForero Gonzalez, Rodrigo Alonso ForeroMattos, Carla Balzano deZogno, Maria Améliainfo:eu-repo/semantics/openAccess2020-06-23T04:40:19Zoai:revistas.usp.br:article/5860Revistahttps://www.revistas.usp.br/bjvrasPUBhttps://www.revistas.usp.br/bjvras/oaibjvras@usp.br1413-95961413-9596opendoar:https://www.revistas.usp.br/bjvras/index2023-01-12T16:42:26.142994Brazilian 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 |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams Influência do nível de uréia plasmático sobre parâmetros citogenéticos de machos ovinos deslanados |
title |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
spellingShingle |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams Cortada, Carmen Neusa Martins Urea Cytogenetics Chromosomes Rams Uréia Citogenética Cromossomos Carneiros |
title_short |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
title_full |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
title_fullStr |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
title_full_unstemmed |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
title_sort |
Plasmatic urea levels influence on citogenetic parameters of wool-less rams |
author |
Cortada, Carmen Neusa Martins |
author_facet |
Cortada, Carmen Neusa Martins Lucci, Carlos de Sousa Forero Gonzalez, Rodrigo Alonso Forero Mattos, Carla Balzano de Zogno, Maria Amélia |
author_role |
author |
author2 |
Lucci, Carlos de Sousa Forero Gonzalez, Rodrigo Alonso Forero Mattos, Carla Balzano de Zogno, Maria Amélia |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Cortada, Carmen Neusa Martins Lucci, Carlos de Sousa Forero Gonzalez, Rodrigo Alonso Forero Mattos, Carla Balzano de Zogno, Maria Amélia |
dc.subject.por.fl_str_mv |
Urea Cytogenetics Chromosomes Rams Uréia Citogenética Cromossomos Carneiros |
topic |
Urea Cytogenetics Chromosomes Rams Uréia Citogenética Cromossomos Carneiros |
description |
The experiment was planned to verify the effects of increasing blood urea levels resulting from increasing urea in the diet on cytogenetic parameters of Santa Ines Brazilian breed rams (Ovis aries), aged 13 to 18 months. Eighteen animals were divided into three experimental treatments consisted of: diet A ration with nitrogen levels, according to NRC (1985); diet B - ration with a 133% higher level of nitrogen than diet A; and C- ration with a 166% higher level of nitrogen than diet A. The increase in nitrogen level was obtained by adding 20, 40 g of feed grade urea in treatments B and C, respectively. Blood was collected on a weekly basis to determine urea concentration. Blood was also collected from each animal, 60 days after desired diet urea levels were reached, to obtain a lymphocyte culture in order to count chromosome number and determine mitotic index. Increases in plasma urea level were observed (p < 0.0001), but did not affect the observed traits. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-12-01 |
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/5860 10.1590/S1413-95962000000600005 |
url |
https://www.revistas.usp.br/bjvras/article/view/5860 |
identifier_str_mv |
10.1590/S1413-95962000000600005 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/5860/62549 |
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. 37 Núm. 6 (2000); 449-452 Brazilian Journal of Veterinary Research and Animal Science; Vol. 37 No. 6 (2000); 449-452 Brazilian Journal of Veterinary Research and Animal Science; v. 37 n. 6 (2000); 449-452 Brazilian Journal of Veterinary Research and Animal Science; V. 37 N. 6 (2000); 449-452 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_ |
1797051555301556224 |