Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows

Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as t...
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Autor*in:	Sergio Augusto Ferreira de Quadros [verfasserIn] José Fernando Piva Lobato [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2006

Schlagwörter:	bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows

Übergeordnetes Werk:	In: Acta Scientiarum: Animal Sciences - Editora da Universidade Estadual de Maringá (Eduem), 2008, 28(2006), 4, Seite 401-407
Übergeordnetes Werk:	volume:28 ; year:2006 ; number:4 ; pages:401-407

Links:	Link aufrufen Link aufrufen Journal toc Journal toc

Katalog-ID:	DOAJ04635235X

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520			\|a Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%).
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allfields	(DE-627)DOAJ04635235X (DE-599)DOAJdc53d03153ad4527936192d0954ed8d1 DE-627 ger DE-627 rakwb eng SF1-1100 Sergio Augusto Ferreira de Quadros verfasserin aut Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%). bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows Animal culture José Fernando Piva Lobato verfasserin aut In Acta Scientiarum: Animal Sciences Editora da Universidade Estadual de Maringá (Eduem), 2008 28(2006), 4, Seite 401-407 (DE-627)627247059 (DE-600)2555935-7 18078672 nnns volume:28 year:2006 number:4 pages:401-407 https://doaj.org/article/dc53d03153ad4527936192d0954ed8d1 kostenfrei http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/602/378 kostenfrei https://doaj.org/toc/1806-2636 Journal toc kostenfrei https://doaj.org/toc/1807-8672 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 28 2006 4 401-407
spelling	(DE-627)DOAJ04635235X (DE-599)DOAJdc53d03153ad4527936192d0954ed8d1 DE-627 ger DE-627 rakwb eng SF1-1100 Sergio Augusto Ferreira de Quadros verfasserin aut Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%). bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows Animal culture José Fernando Piva Lobato verfasserin aut In Acta Scientiarum: Animal Sciences Editora da Universidade Estadual de Maringá (Eduem), 2008 28(2006), 4, Seite 401-407 (DE-627)627247059 (DE-600)2555935-7 18078672 nnns volume:28 year:2006 number:4 pages:401-407 https://doaj.org/article/dc53d03153ad4527936192d0954ed8d1 kostenfrei http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/602/378 kostenfrei https://doaj.org/toc/1806-2636 Journal toc kostenfrei https://doaj.org/toc/1807-8672 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 28 2006 4 401-407
allfields_unstemmed	(DE-627)DOAJ04635235X (DE-599)DOAJdc53d03153ad4527936192d0954ed8d1 DE-627 ger DE-627 rakwb eng SF1-1100 Sergio Augusto Ferreira de Quadros verfasserin aut Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%). bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows Animal culture José Fernando Piva Lobato verfasserin aut In Acta Scientiarum: Animal Sciences Editora da Universidade Estadual de Maringá (Eduem), 2008 28(2006), 4, Seite 401-407 (DE-627)627247059 (DE-600)2555935-7 18078672 nnns volume:28 year:2006 number:4 pages:401-407 https://doaj.org/article/dc53d03153ad4527936192d0954ed8d1 kostenfrei http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/602/378 kostenfrei https://doaj.org/toc/1806-2636 Journal toc kostenfrei https://doaj.org/toc/1807-8672 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 28 2006 4 401-407
allfieldsGer	(DE-627)DOAJ04635235X (DE-599)DOAJdc53d03153ad4527936192d0954ed8d1 DE-627 ger DE-627 rakwb eng SF1-1100 Sergio Augusto Ferreira de Quadros verfasserin aut Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%). bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows Animal culture José Fernando Piva Lobato verfasserin aut In Acta Scientiarum: Animal Sciences Editora da Universidade Estadual de Maringá (Eduem), 2008 28(2006), 4, Seite 401-407 (DE-627)627247059 (DE-600)2555935-7 18078672 nnns volume:28 year:2006 number:4 pages:401-407 https://doaj.org/article/dc53d03153ad4527936192d0954ed8d1 kostenfrei http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/602/378 kostenfrei https://doaj.org/toc/1806-2636 Journal toc kostenfrei https://doaj.org/toc/1807-8672 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 28 2006 4 401-407
allfieldsSound	(DE-627)DOAJ04635235X (DE-599)DOAJdc53d03153ad4527936192d0954ed8d1 DE-627 ger DE-627 rakwb eng SF1-1100 Sergio Augusto Ferreira de Quadros verfasserin aut Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%). bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows Animal culture José Fernando Piva Lobato verfasserin aut In Acta Scientiarum: Animal Sciences Editora da Universidade Estadual de Maringá (Eduem), 2008 28(2006), 4, Seite 401-407 (DE-627)627247059 (DE-600)2555935-7 18078672 nnns volume:28 year:2006 number:4 pages:401-407 https://doaj.org/article/dc53d03153ad4527936192d0954ed8d1 kostenfrei http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/602/378 kostenfrei https://doaj.org/toc/1806-2636 Journal toc kostenfrei https://doaj.org/toc/1807-8672 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 28 2006 4 401-407
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source	In Acta Scientiarum: Animal Sciences 28(2006), 4, Seite 401-407 volume:28 year:2006 number:4 pages:401-407
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callnumber-first	S - Agriculture
author	Sergio Augusto Ferreira de Quadros
spellingShingle	Sergio Augusto Ferreira de Quadros misc SF1-1100 misc bioestimulação misc comportamento reprodutivo misc efeito do macho misc vacas de corte misc biostimulation misc reproductive performance misc male-effect misc cows misc Animal culture Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows
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topic_title	SF1-1100 Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows bioestimulação comportamento reprodutivo efeito do macho vacas de corte biostimulation reproductive performance male-effect cows
topic	misc SF1-1100 misc bioestimulação misc comportamento reprodutivo misc efeito do macho misc vacas de corte misc biostimulation misc reproductive performance misc male-effect misc cows misc Animal culture
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title	Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows
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title_full	Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows
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author-letter	Sergio Augusto Ferreira de Quadros
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title_sort	bioestimulação e comportamento reprodutivo de vacas de corte = biostimulation and reproductive performance of beef cows
callnumber	SF1-1100
title_auth	Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows
abstract	Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%).
abstractGer	Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%).
abstract_unstemmed	Com o objetivo estudar o efeito da bioestimulação sobre parâmetrosreprodutivos, 82 vacas primíparas foram distribuídas em 2 tratamentos: bioestimuladas (BE) ou não (NE), durante 83 dias antes do início da estação reprodutiva, através do uso de rufiões. Antes de iniciar a inseminação artificial, as taxas acumuladas de vacas ciclando foram de 21,05% (BE) e de 6,81% (NE). Maiores concentrações sé ricas de progesterona foram observadas nas vacas bioestimuladas, sendo a resposta dependente do status nutricional (condição corporal). Quando associada ao desmame no início da inseminação artificial, a bioestimulação não apresentou efeito sobre a taxa de prenhez (BE = 97,38%; NE = 100%), data juliana média de inseminação (BE = 332,9; NE = 333,21), nem no percentual de retorno ao cio (BE = 21%; NE = 19%).<br<<br<With the purpose of studying the effect of biostimulation on reproductive traits, 82 primiparous beef cows were distribuited into two treatment groups: biostimulated (BE) or not (NE) by teaser bulls during 83 days before the breeding season. Before the start of artificial insemination period, accumulated cycling rates were 21 .05% (BE) and 6.81% (NE). Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). When associated with weaning before the start of insemination period, biostimulation did not affect pregnancy rate (BE=97.38%; NE=100%), mean insemination julian date (BE=332.9; NE=333.21), nor repeat breeding rate (BE=21%; NE=19%).
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title_short	Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows
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Higher serum progestrone levels were observed in biostimulated cows, but response depends on nutritional status (body condition score). 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Bioestimulação e comportamento reprodutivo de vacas de corte = Biostimulation and reproductive performance of beef cows

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