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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
02/07/2021 |
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Data da última atualização: |
02/07/2021 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
COÊLHO, L. M.; SANTOS, A. R. de S.; TORGA, P. P.; FERREIRA, M. E.; VIANELLO, R. P.; PEREIRA, H. S.; MELO, L. C.; SOUZA, T. L. P. O. de. |
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Afiliação: |
LAYSLA MORAIS COÊLHO, doutoranda UFG; ANA RÚBIA DE SÁ SANTOS, estagiária CNPAF; PAULA PEREIRA TORGA, CNPAF; MARCIO ELIAS FERREIRA, Cenargen; ROSANA PEREIRA VIANELLO, CNPAF; HELTON SANTOS PEREIRA, CNPAF; LEONARDO CUNHA MELO, CNPAF; THIAGO LIVIO PESSOA OLIV DE SOUZA, CNPAF. |
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Título: |
Teste de progênies para resistência ao crestamento-bacteriano-aureolado na população BRS Estilo x ZAA-12 (Gene Pse-2) utilizando marcador SCAR. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
In: SEMINÁRIO JOVENS TALENTOS, 14., 2020, Santo Antônio de Goiás. Resumos... Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2021. |
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Páginas: |
p. 77. |
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ISBN: |
978-65-87380-12-4 |
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Idioma: |
Português |
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Conteúdo: |
A bactéria Pseudomonas syringae pv. phaseolicola (Psp) é um organismo quarentenário de alto risco para a produção de feijão (Phaseolus vulgaris L.) no Brasil, agente causal do crestamento-bacteriano-aureolado. O objetivo deste trabalho foi realizar um teste de progênies para a seleção de plantas homozigotas para o alelo Pse-2, que confere resistência à doença, com o auxílio de marcador SCAR (Sequence Characterized Amplified Regions). |
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Thesagro: |
Crestamento; Feijão; Marcador Molecular; Phaseolus Vulgaris; Variedade Resistente. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/224261/1/jt-p77.pdf
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Marc: |
LEADER 01401nam a2200277 a 4500
001 2132756
005 2021-07-02
008 2021 bl uuuu u00u1 u #d
020 $a978-65-87380-12-4
100 1 $aCOÊLHO, L. M.
245 $aTeste de progênies para resistência ao crestamento-bacteriano-aureolado na população BRS Estilo x ZAA-12 (Gene Pse-2) utilizando marcador SCAR.$h[electronic resource]
260 $aIn: SEMINÁRIO JOVENS TALENTOS, 14., 2020, Santo Antônio de Goiás. Resumos... Santo Antônio de Goiás: Embrapa Arroz e Feijão$c2021
300 $ap. 77.
520 $aA bactéria Pseudomonas syringae pv. phaseolicola (Psp) é um organismo quarentenário de alto risco para a produção de feijão (Phaseolus vulgaris L.) no Brasil, agente causal do crestamento-bacteriano-aureolado. O objetivo deste trabalho foi realizar um teste de progênies para a seleção de plantas homozigotas para o alelo Pse-2, que confere resistência à doença, com o auxílio de marcador SCAR (Sequence Characterized Amplified Regions).
650 $aCrestamento
650 $aFeijão
650 $aMarcador Molecular
650 $aPhaseolus Vulgaris
650 $aVariedade Resistente
700 1 $aSANTOS, A. R. de S.
700 1 $aTORGA, P. P.
700 1 $aFERREIRA, M. E.
700 1 $aVIANELLO, R. P.
700 1 $aPEREIRA, H. S.
700 1 $aMELO, L. C.
700 1 $aSOUZA, T. L. P. O. de
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
29/06/2023 |
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Data da última atualização: |
18/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
SILVA, S. A.; MONDADORI, R. G.; NOLETO, G. S.; BARBOSA, I. P.; GONÇALVES, R. L.; GASPERIN, B. G.; ROVANI, M. T.; PAZ, E. F.; GOMES, L. S.; PFEIFER, L. F. M. |
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Afiliação: |
SAMIRA A. SILVA, UNIVERSIDADE FEDERAL DE PELOTAS; RAFAEL G. MONDADORI, UNIVERSIDADE FEDERAL DE PELOTAS; GABRIELLY S. NOLETO, UNIVERSIDADE FEDERAL DE RONDÔNIA; INGRID P. BARBOSA, UNIVERSIDADE FEDERAL DO ACRE; REUEL L. GONÇALVES, BIOGENESIS BAGO SAÚDE ANIMAL; BERNARDO G. GASPERIN, UNIVERSIDADE FEDERAL DE PELOTAS; MONIQUE T. ROVANI, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; EANES F. PAZ, ASSITÊNCIA TÉCNICA E EXTENSÃO RURAL; LEONARDO S. GOMES, Embrapa Rondônia; LUIZ FRANCISCO MACHADO PFEIFER, CPAF-RO. |
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Título: |
GnRH34 with or without estradiol cypionate in timed AI in Bos indicus beef cows. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Theriogenology, v. 209, p. 134-140, 2023. |
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ISSN: |
0093-691X |
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DOI: |
https://doi.org/10.1016/j.theriogenology.2023.06.026 |
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Idioma: |
Inglês |
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Conteúdo: |
Two experiments were performed to evaluate the effects of GnRH treatment on the fertility of suckled Nelore beef cows treated with an estradiol/progesterone (E2/P4)-based protocol for timed artificial insemination (TAI). Experiment 1 focused on determining the effects of estradiol cypionate (EC) on ovulation in TAI cows treated with GnRH 34 h after removal of the intravaginal P4 device (IPD). Suckled cows (n ¼ 26) were treated with 2 mg estradiol benzoate (EB) and IPD containing 1 g P4. After 8 days, IPDs were removed, and all cows were treated with 150 mg of d-cloprostenol (prostaglandin F2 alpha analog) and 300 IU of equine chorionic gonadotropin (eCG), then separated into two treatment groups consisting of cows who received 1) saline 0.9% i.m. (GnRH34 group) or 2) 0.6 mg i.m. of EC (EC-GnRH34 group). On day 9 (05:00 p.m.), all cows were given GnRH (10.5 mg of buserelin acetate) i.m. No differences were observed between the groups (P > 0.05) in the time of ovulation after IPD removal or in the proportion of cows ovulating. Experiment 2 focused on determining the effects of GnRH34 along with or in the absence of EC on day 8 on pregnancy per AI (P/AI) in postpartum beef cows. Cows (n ¼ 981) were treated similarly to those in Experiment 1, but an additional group, the EC-GnRH48 group, was included, in which cows received EC on day 8 whereas those that did not show estrus received GnRH at TAI. Thus, in this experiment, groups consisted of GnRH34 (n ¼ 322), EC-GnRH34 (n ¼ 335), and EC-GnRH48 (n ¼ 324). A higher rate of estrus expression was observed in cows treated with EC following IPD removal (EC-GnRH34: 69%, EC-GnRH48: 64.8%) than in cows in the GnRH34 group (45.6%). No difference in P/AI was observed between the treatment groups (P ¼ 0.45), but P/AI in cows in the EC-GnRH34 group (64.2%) tended to be greater (P ¼ 0.1) than in cows in the GnRH34 group (58%). In summary, although ovulation synchrony did not differ among the groups, P/AI in cows treated with EC and GnRH 34 h after IPD removal tended to be greater than in cows treated solely with GnRH; this was most likely due to a shorter proestrus/estrus period, considering the lower proportion of cows that displayed estrus in the GnRH34 group. Finally, given that P/AI did not differ between the EC-GnRH34 and EC-GnRH48 groups, our results suggest that, for cows not displaying estrus, administration of EC at the time of IPD removal followed by treatment with GnRH 48 h afterward represents the most cost-efficient TAI strategy for South American Zebu-based beef operations. MenosTwo experiments were performed to evaluate the effects of GnRH treatment on the fertility of suckled Nelore beef cows treated with an estradiol/progesterone (E2/P4)-based protocol for timed artificial insemination (TAI). Experiment 1 focused on determining the effects of estradiol cypionate (EC) on ovulation in TAI cows treated with GnRH 34 h after removal of the intravaginal P4 device (IPD). Suckled cows (n ¼ 26) were treated with 2 mg estradiol benzoate (EB) and IPD containing 1 g P4. After 8 days, IPDs were removed, and all cows were treated with 150 mg of d-cloprostenol (prostaglandin F2 alpha analog) and 300 IU of equine chorionic gonadotropin (eCG), then separated into two treatment groups consisting of cows who received 1) saline 0.9% i.m. (GnRH34 group) or 2) 0.6 mg i.m. of EC (EC-GnRH34 group). On day 9 (05:00 p.m.), all cows were given GnRH (10.5 mg of buserelin acetate) i.m. No differences were observed between the groups (P > 0.05) in the time of ovulation after IPD removal or in the proportion of cows ovulating. Experiment 2 focused on determining the effects of GnRH34 along with or in the absence of EC on day 8 on pregnancy per AI (P/AI) in postpartum beef cows. Cows (n ¼ 981) were treated similarly to those in Experiment 1, but an additional group, the EC-GnRH48 group, was included, in which cows received EC on day 8 whereas those that did not show estrus received GnRH at TAI. Thus, in this experiment, groups consisted of GnRH34 (n ¼ 322), EC-GnRH34 (n ¼ 335),... Mostrar Tudo |
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Palavras-Chave: |
Amazônia Ocidental; Embrapa Rondôna; Western Amazon. |
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Thesagro: |
Bos Indicus; Campo Experimental; Estradiol; Fertilidade Animal; Gado Nelore; Hormônio; Ovulação; Prenhez; Reprodução Animal; Vaca de Corte. |
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Thesaurus NAL: |
Animal fertility; Animal reproduction; Beef cows; Demonstration farms; Hormones; Nellore; Ovulation; Pregnancy. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154705/1/cpafro-18957.pdf
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Marc: |
LEADER 03947naa a2200505 a 4500
001 2154705
005 2023-07-18
008 2023 bl uuuu u00u1 u #d
022 $a0093-691X
024 7 $ahttps://doi.org/10.1016/j.theriogenology.2023.06.026$2DOI
100 1 $aSILVA, S. A.
245 $aGnRH34 with or without estradiol cypionate in timed AI in Bos indicus beef cows.$h[electronic resource]
260 $c2023
520 $aTwo experiments were performed to evaluate the effects of GnRH treatment on the fertility of suckled Nelore beef cows treated with an estradiol/progesterone (E2/P4)-based protocol for timed artificial insemination (TAI). Experiment 1 focused on determining the effects of estradiol cypionate (EC) on ovulation in TAI cows treated with GnRH 34 h after removal of the intravaginal P4 device (IPD). Suckled cows (n ¼ 26) were treated with 2 mg estradiol benzoate (EB) and IPD containing 1 g P4. After 8 days, IPDs were removed, and all cows were treated with 150 mg of d-cloprostenol (prostaglandin F2 alpha analog) and 300 IU of equine chorionic gonadotropin (eCG), then separated into two treatment groups consisting of cows who received 1) saline 0.9% i.m. (GnRH34 group) or 2) 0.6 mg i.m. of EC (EC-GnRH34 group). On day 9 (05:00 p.m.), all cows were given GnRH (10.5 mg of buserelin acetate) i.m. No differences were observed between the groups (P > 0.05) in the time of ovulation after IPD removal or in the proportion of cows ovulating. Experiment 2 focused on determining the effects of GnRH34 along with or in the absence of EC on day 8 on pregnancy per AI (P/AI) in postpartum beef cows. Cows (n ¼ 981) were treated similarly to those in Experiment 1, but an additional group, the EC-GnRH48 group, was included, in which cows received EC on day 8 whereas those that did not show estrus received GnRH at TAI. Thus, in this experiment, groups consisted of GnRH34 (n ¼ 322), EC-GnRH34 (n ¼ 335), and EC-GnRH48 (n ¼ 324). A higher rate of estrus expression was observed in cows treated with EC following IPD removal (EC-GnRH34: 69%, EC-GnRH48: 64.8%) than in cows in the GnRH34 group (45.6%). No difference in P/AI was observed between the treatment groups (P ¼ 0.45), but P/AI in cows in the EC-GnRH34 group (64.2%) tended to be greater (P ¼ 0.1) than in cows in the GnRH34 group (58%). In summary, although ovulation synchrony did not differ among the groups, P/AI in cows treated with EC and GnRH 34 h after IPD removal tended to be greater than in cows treated solely with GnRH; this was most likely due to a shorter proestrus/estrus period, considering the lower proportion of cows that displayed estrus in the GnRH34 group. Finally, given that P/AI did not differ between the EC-GnRH34 and EC-GnRH48 groups, our results suggest that, for cows not displaying estrus, administration of EC at the time of IPD removal followed by treatment with GnRH 48 h afterward represents the most cost-efficient TAI strategy for South American Zebu-based beef operations.
650 $aAnimal fertility
650 $aAnimal reproduction
650 $aBeef cows
650 $aDemonstration farms
650 $aHormones
650 $aNellore
650 $aOvulation
650 $aPregnancy
650 $aBos Indicus
650 $aCampo Experimental
650 $aEstradiol
650 $aFertilidade Animal
650 $aGado Nelore
650 $aHormônio
650 $aOvulação
650 $aPrenhez
650 $aReprodução Animal
650 $aVaca de Corte
653 $aAmazônia Ocidental
653 $aEmbrapa Rondôna
653 $aWestern Amazon
700 1 $aMONDADORI, R. G.
700 1 $aNOLETO, G. S.
700 1 $aBARBOSA, I. P.
700 1 $aGONÇALVES, R. L.
700 1 $aGASPERIN, B. G.
700 1 $aROVANI, M. T.
700 1 $aPAZ, E. F.
700 1 $aGOMES, L. S.
700 1 $aPFEIFER, L. F. M.
773 $tTheriogenology$gv. 209, p. 134-140, 2023.
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Embrapa Rondônia (CPAF-RO) |
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