| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Rondônia. Para informações adicionais entre em contato com cpafro.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Rondônia. |
|
Data corrente: |
26/01/2016 |
|
Data da última atualização: |
13/04/2016 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
PFEIFER, L. F. M.; CASTRO, N. A.; MELO, V. T. O.; NEVES, P. M. A.; CESTARO, J. P. |
|
Afiliação: |
LUIZ FRANCISCO MACHADO PFEIFER, CPAF-RO; N.A. Castro, UFPel; FIMCA; FIMCA; FIMCA. |
|
Título: |
Timed artificial insemination in blocks: A new alternative to improve fertility in lactating beef cows. |
|
Ano de publicação: |
2015 |
|
Fonte/Imprenta: |
Animal Reproduction Science, v. 163, p. 89?96, 2015. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The aim of this study was to evaluate whether changing the interval from CIDR removal to timed artificial insemination (TAI) according to the diameter of the preovulatory follicle (POF) would improve pregnancy per AI in cows. In Study 1, a retrospective analysis of TAI experiments (n=96 cows) was performed to characterize the time of ovulation according to the diameter of the dominant follicle. It was observed that cows with a larger POF had ovulations earlier than cows with smaller POF, according to the equation: y=0.72x(2)-26.74x+264.54 (R(2)=0.63; P<0.001). In Study 2, lactating Nelore cows (n=412) were subjected to an EB-CIDR based TAI protocol. On the morning of Day 10 (time of TAI), cows were randomized into Control (n=209) and Block (n=203) groups; (1) Cows in the Control Group were TAI 48h after CIDR removal (08:00am on Day 10), and; (2) Cows in the block group were inseminated once at one of the following time points, according to the diameter of the POF on Day 10: B0 (POF≥15mm, TAI 0h after convetional TAI), B1 (POF 13-14.9mm, TAI 6h later), B2 (POF 10.1-12.9mm, TAI 24h later) and B3 (POF≤10mm, TAI 30h later). The cows of the Block Group had greater pregnancy rates per AI than the Control Group (129/203, 63.5% when compared with 102/209, 48.8%, respectively; P<0.01). In conclusion, results of the present study demonstrate that adjusting the timing of TAI according to the diameter of the POF can be an effective practice for improving fertility of cows in TAI protocols. MenosThe aim of this study was to evaluate whether changing the interval from CIDR removal to timed artificial insemination (TAI) according to the diameter of the preovulatory follicle (POF) would improve pregnancy per AI in cows. In Study 1, a retrospective analysis of TAI experiments (n=96 cows) was performed to characterize the time of ovulation according to the diameter of the dominant follicle. It was observed that cows with a larger POF had ovulations earlier than cows with smaller POF, according to the equation: y=0.72x(2)-26.74x+264.54 (R(2)=0.63; P<0.001). In Study 2, lactating Nelore cows (n=412) were subjected to an EB-CIDR based TAI protocol. On the morning of Day 10 (time of TAI), cows were randomized into Control (n=209) and Block (n=203) groups; (1) Cows in the Control Group were TAI 48h after CIDR removal (08:00am on Day 10), and; (2) Cows in the block group were inseminated once at one of the following time points, according to the diameter of the POF on Day 10: B0 (POF≥15mm, TAI 0h after convetional TAI), B1 (POF 13-14.9mm, TAI 6h later), B2 (POF 10.1-12.9mm, TAI 24h later) and B3 (POF≤10mm, TAI 30h later). The cows of the Block Group had greater pregnancy rates per AI than the Control Group (129/203, 63.5% when compared with 102/209, 48.8%, respectively; P<0.01). In conclusion, results of the present study demonstrate that adjusting the timing of TAI according to the diameter of the POF can be an effective practice for improving fertility of cows in... Mostrar Tudo |
|
Palavras-Chave: |
Diâmetro folicular; Follicular diameter; Ultrassonografia. |
|
Thesagro: |
Ovulação. |
|
Thesaurus Nal: |
cattle; ovulation; ultrasonography. |
|
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
|
Marc: |
LEADER 02261naa a2200253 a 4500
001 2035096
005 2016-04-13
008 2015 bl uuuu u00u1 u #d
100 1 $aPFEIFER, L. F. M.
245 $aTimed artificial insemination in blocks$bA new alternative to improve fertility in lactating beef cows.$h[electronic resource]
260 $c2015
520 $aThe aim of this study was to evaluate whether changing the interval from CIDR removal to timed artificial insemination (TAI) according to the diameter of the preovulatory follicle (POF) would improve pregnancy per AI in cows. In Study 1, a retrospective analysis of TAI experiments (n=96 cows) was performed to characterize the time of ovulation according to the diameter of the dominant follicle. It was observed that cows with a larger POF had ovulations earlier than cows with smaller POF, according to the equation: y=0.72x(2)-26.74x+264.54 (R(2)=0.63; P<0.001). In Study 2, lactating Nelore cows (n=412) were subjected to an EB-CIDR based TAI protocol. On the morning of Day 10 (time of TAI), cows were randomized into Control (n=209) and Block (n=203) groups; (1) Cows in the Control Group were TAI 48h after CIDR removal (08:00am on Day 10), and; (2) Cows in the block group were inseminated once at one of the following time points, according to the diameter of the POF on Day 10: B0 (POF≥15mm, TAI 0h after convetional TAI), B1 (POF 13-14.9mm, TAI 6h later), B2 (POF 10.1-12.9mm, TAI 24h later) and B3 (POF≤10mm, TAI 30h later). The cows of the Block Group had greater pregnancy rates per AI than the Control Group (129/203, 63.5% when compared with 102/209, 48.8%, respectively; P<0.01). In conclusion, results of the present study demonstrate that adjusting the timing of TAI according to the diameter of the POF can be an effective practice for improving fertility of cows in TAI protocols.
650 $acattle
650 $aovulation
650 $aultrasonography
650 $aOvulação
653 $aDiâmetro folicular
653 $aFollicular diameter
653 $aUltrassonografia
700 1 $aCASTRO, N. A.
700 1 $aMELO, V. T. O.
700 1 $aNEVES, P. M. A.
700 1 $aCESTARO, J. P.
773 $tAnimal Reproduction Science$gv. 163, p. 89?96, 2015.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Rondônia (CPAF-RO) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Acesso ao texto completo restrito à biblioteca da Embrapa Semiárido. Para informações adicionais entre em contato com cpatsa.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Semiárido. |
|
Data corrente: |
08/04/2008 |
|
Data da última atualização: |
13/06/2023 |
|
Tipo da produção científica: |
Resumo em Anais de Congresso |
|
Autoria: |
PEREIRA, G. E.; SOARES, J. M.; GUERRA, C. C.; LIRA, M. M. P.; SANTOS, J. de O. |
|
Afiliação: |
GIULIANO ELIAS PEREIRA, CNPUV / CPATSA; José Monteiro Soares, CPATSA; Celito Crivellaro Guerra, Embrapa Uva e Vinho; Márcia Maria Pereira Lira, ITEP; Juliana de Oliveira Santos, ITEP. |
|
Título: |
Potentiel oenologique de quatre cepages rouges evalues em climat tropical au Bresil. |
|
Ano de publicação: |
2007 |
|
Fonte/Imprenta: |
In: SYMPOSIUM INTERNATIONAL D'OENOLOGIE, 8., 2007, Bordeaux. Recueil... Bordeaux: ISVV, 2007. |
|
Páginas: |
p. 100. |
|
Idioma: |
Francês |
|
Conteúdo: |
Le but de ce travail a été d'évaluer l'adaptation et le porentiel oenologique de quatre cépages rouges ('Barbera', 'Deckrot', "Tempranillo' et 'Alfrocheiro') implantés en décembre 2004 dans Ia région, cultivés en pergoJa, greffés sur 'IAC-572' (Vitis caribaea x 101-14), un porte-greffe três vigoureux et l'irrigation goutte à goutte. |
|
Palavras-Chave: |
Vinho tropical. |
|
Thesagro: |
Clima Tropical; Porta Enxerto; Uva; Variedade; Viticultura. |
|
Thesaurus NAL: |
Viticulture. |
|
Categoria do assunto: |
A Sistemas de Cultivo |
|
Marc: |
LEADER 01067nam a2200253 a 4500
001 1162518
005 2023-06-13
008 2007 bl uuuu u00u1 u #d
100 1 $aPEREIRA, G. E.
245 $aPotentiel oenologique de quatre cepages rouges evalues em climat tropical au Bresil.
260 $aIn: SYMPOSIUM INTERNATIONAL D'OENOLOGIE, 8., 2007, Bordeaux. Recueil... Bordeaux: ISVV$c2007
300 $ap. 100.
520 $aLe but de ce travail a été d'évaluer l'adaptation et le porentiel oenologique de quatre cépages rouges ('Barbera', 'Deckrot', "Tempranillo' et 'Alfrocheiro') implantés en décembre 2004 dans Ia région, cultivés en pergoJa, greffés sur 'IAC-572' (Vitis caribaea x 101-14), un porte-greffe três vigoureux et l'irrigation goutte à goutte.
650 $aViticulture
650 $aClima Tropical
650 $aPorta Enxerto
650 $aUva
650 $aVariedade
650 $aViticultura
653 $aVinho tropical
700 1 $aSOARES, J. M.
700 1 $aGUERRA, C. C.
700 1 $aLIRA, M. M. P.
700 1 $aSANTOS, J. de O.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Semiárido (CPATSA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
