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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Pecuária Sudeste. |
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Data corrente: |
25/06/2019 |
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Data da última atualização: |
10/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FONSECA, J. F. da; OLIVEIRA, M. E. F.; BRANDÃO, F. Z.; BATISTA, R. I. T. P.; GARCIA, A. R.; BARTLEWSKIE, P. M.; SOUZA-FABJAN, J. M. G. |
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Afiliação: |
JEFERSON FERREIRA DA FONSECA, CNPC; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (UNESP) - Jaboticabal, SP, Brazil; FELIPE ZANDONADI BRANDÃO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; RIBRIO I. T. P. BATISTA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; ALEXANDRE ROSSETTO GARCIA, CPPSE; PAWEL M. BARTLEWSKIE, Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph - Canada; JOANNA M. G. SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil. |
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Título: |
Non-surgical embryo transfer in goats and sheep: the Brazilian experience. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Reproduction Fertility and Development, v. 31, n. 1 p. 17-26, Dec. 2019. |
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DOI: |
https://doi.org/10.1071/RD18324 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Brazil has presented tremendous progress in non-surgical embryo transfer (NSET) in sheep and goats. New instruments and techniques for non-surgical embryo recovery (NSER) and NSET in small ruminants were implemented. Recent improvements include refinement of the protocols for cervical relaxation combining oestradiol?oxytocin? cloprostenol treatment at specific times before NSER in sheep; recipient goats do not require any hormonal drugs to induce cervical dilation and direct embryo transfer by the cervical route yields excellent results. Transrectal ovarian ultrasonography (B-mode but especially colour Doppler) have proven to be accurate methods to localise and enumerate corpora lutea and luteinised unovulated follicles in recipient and donor does and ewes. An array of new criteria for selecting superior animals for NSER and NSET (e.g. cervical mapping) have been developed by Brazilian researchers. Extensive studies on both technologies were initially conducted in commercial breeds of goats and sheep but have been gradually extended to some native breeds of sheep (germplasm conservation) and dairy goat operations. It is speculated that, in future, NSER and NSET may become methods of choice for caprine and ovine embryo recovery and transfer in Brazil, and then globally. Due primarily to the efficiency of NSET in goats, a novel interspecies (e.g. bovine) IVP method may soon be developed on a large scale. The Brazilian experience is an invaluable source of information and know-how promoting the replacement of conventional surgical assisted reproductive technologies with non-surgical procedures and hence supporting the rapid development of the embryo transfer industry in small ruminants. MenosAbstract: Brazil has presented tremendous progress in non-surgical embryo transfer (NSET) in sheep and goats. New instruments and techniques for non-surgical embryo recovery (NSER) and NSET in small ruminants were implemented. Recent improvements include refinement of the protocols for cervical relaxation combining oestradiol?oxytocin? cloprostenol treatment at specific times before NSER in sheep; recipient goats do not require any hormonal drugs to induce cervical dilation and direct embryo transfer by the cervical route yields excellent results. Transrectal ovarian ultrasonography (B-mode but especially colour Doppler) have proven to be accurate methods to localise and enumerate corpora lutea and luteinised unovulated follicles in recipient and donor does and ewes. An array of new criteria for selecting superior animals for NSER and NSET (e.g. cervical mapping) have been developed by Brazilian researchers. Extensive studies on both technologies were initially conducted in commercial breeds of goats and sheep but have been gradually extended to some native breeds of sheep (germplasm conservation) and dairy goat operations. It is speculated that, in future, NSER and NSET may become methods of choice for caprine and ovine embryo recovery and transfer in Brazil, and then globally. Due primarily to the efficiency of NSET in goats, a novel interspecies (e.g. bovine) IVP method may soon be developed on a large scale. The Brazilian experience is an invaluable source of information... Mostrar Tudo |
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Palavras-Chave: |
Cervical dilation; Cervical route; In vivo embryo production; MOET; Multiple ovulation; Transcervical embryo collection. |
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Thesagro: |
Caprino; Ovino; Reprodução Animal; Transferência de Embrião. |
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Thesaurus Nal: |
Animal reproduction; Brazil; Dairy goats; Embryo transfer; Ewes; Small ruminants. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02888naa a2200397 a 4500
001 2110051
005 2021-08-10
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1071/RD18324$2DOI
100 1 $aFONSECA, J. F. da
245 $aNon-surgical embryo transfer in goats and sheep$bthe Brazilian experience.$h[electronic resource]
260 $c2019
520 $aAbstract: Brazil has presented tremendous progress in non-surgical embryo transfer (NSET) in sheep and goats. New instruments and techniques for non-surgical embryo recovery (NSER) and NSET in small ruminants were implemented. Recent improvements include refinement of the protocols for cervical relaxation combining oestradiol?oxytocin? cloprostenol treatment at specific times before NSER in sheep; recipient goats do not require any hormonal drugs to induce cervical dilation and direct embryo transfer by the cervical route yields excellent results. Transrectal ovarian ultrasonography (B-mode but especially colour Doppler) have proven to be accurate methods to localise and enumerate corpora lutea and luteinised unovulated follicles in recipient and donor does and ewes. An array of new criteria for selecting superior animals for NSER and NSET (e.g. cervical mapping) have been developed by Brazilian researchers. Extensive studies on both technologies were initially conducted in commercial breeds of goats and sheep but have been gradually extended to some native breeds of sheep (germplasm conservation) and dairy goat operations. It is speculated that, in future, NSER and NSET may become methods of choice for caprine and ovine embryo recovery and transfer in Brazil, and then globally. Due primarily to the efficiency of NSET in goats, a novel interspecies (e.g. bovine) IVP method may soon be developed on a large scale. The Brazilian experience is an invaluable source of information and know-how promoting the replacement of conventional surgical assisted reproductive technologies with non-surgical procedures and hence supporting the rapid development of the embryo transfer industry in small ruminants.
650 $aAnimal reproduction
650 $aBrazil
650 $aDairy goats
650 $aEmbryo transfer
650 $aEwes
650 $aSmall ruminants
650 $aCaprino
650 $aOvino
650 $aReprodução Animal
650 $aTransferência de Embrião
653 $aCervical dilation
653 $aCervical route
653 $aIn vivo embryo production
653 $aMOET
653 $aMultiple ovulation
653 $aTranscervical embryo collection
700 1 $aOLIVEIRA, M. E. F.
700 1 $aBRANDÃO, F. Z.
700 1 $aBATISTA, R. I. T. P.
700 1 $aGARCIA, A. R.
700 1 $aBARTLEWSKIE, P. M.
700 1 $aSOUZA-FABJAN, J. M. G.
773 $tReproduction Fertility and Development$gv. 31, n. 1 p. 17-26, Dec. 2019.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
30/03/2023 |
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Data da última atualização: |
17/08/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 4 |
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Autoria: |
GILLANDERS, S. M. G.; PODGAISKI, L. R.; OVERBECK, G. E.; SANTOS, A.; WINCK, B.; BROWN, G. G.; BARTZ, M. L. C. |
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Afiliação: |
STEPHEN M .G. GILLANDERS, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; LUCIANA R. PODGAISKI, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; GERHARD E. OVERBECK, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL; ALESSANDRA SANTOS, UNIVERSIDADE FEDERAL DO PARANÁ; BRUNA WINCK, INSTITUT NATIONAL DE RECHERCHE POUR L’AGRICULTURE, L’ALIMENTATION ET L’ENVIRONNEMENT (INRAE); GEORGE GARDNER BROWN, CNPF; MARIE L.C. BARTZ, UNIVERSIDADE DE COIMBRA. |
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Título: |
Earthworms in natural grasslands and agropastoral systems in the Brazilian Pampa. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Zootaxa, v. 5255, n. 1, p. 377-399, 2023. |
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DOI: |
https://doi.org/10.11646/zootaxa.5255.1.30 |
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Idioma: |
Inglês |
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Conteúdo: |
In this study, we sampled grazed natural grassland and agropastoral systems in two regions (Alegrete and Aceguá) in the highly diverse Brazilian Pampa region which is undergoing significant change in land use cover. By hand sorting the soil, a total of five species were found, belonging to the families Glossoscolecidae (Glossoscolex sp.50 and Glossoscolex sp.51), Ocnerodrilidae (Kerriona sp.6 and Eukerria sp.3), and Lumbricidae (Aporrectodea trapezoides). The former four were identified as native?new to science?and the latter as exotic. Differences were observed in both earthworm species richness and abundance between regions and land-use systems, likely due to environmental conditions and agricultural practices, respectively. Agropastoral systems had higher abundance and species richness than natural grasslands, though these differences varied by location. This suggests that conversion from natural grassland to agropastoral systems can maintain native earthworms and, possibly, enhance ecosystem services. However, an exotic species was found in high abundance at one agropastoral site. These results highlight the need for additional biodiversity studies on earthworms in the Brazilian Pampa and for research on the impacts of land use changes in this region. |
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Palavras-Chave: |
Agropastoral systems; Soil macrofauna. |
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Thesaurus NAL: |
Earthworms; Oligochaeta. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02019naa a2200253 a 4500
001 2152893
005 2023-08-17
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.11646/zootaxa.5255.1.30$2DOI
100 1 $aGILLANDERS, S. M. G.
245 $aEarthworms in natural grasslands and agropastoral systems in the Brazilian Pampa.$h[electronic resource]
260 $c2023
520 $aIn this study, we sampled grazed natural grassland and agropastoral systems in two regions (Alegrete and Aceguá) in the highly diverse Brazilian Pampa region which is undergoing significant change in land use cover. By hand sorting the soil, a total of five species were found, belonging to the families Glossoscolecidae (Glossoscolex sp.50 and Glossoscolex sp.51), Ocnerodrilidae (Kerriona sp.6 and Eukerria sp.3), and Lumbricidae (Aporrectodea trapezoides). The former four were identified as native?new to science?and the latter as exotic. Differences were observed in both earthworm species richness and abundance between regions and land-use systems, likely due to environmental conditions and agricultural practices, respectively. Agropastoral systems had higher abundance and species richness than natural grasslands, though these differences varied by location. This suggests that conversion from natural grassland to agropastoral systems can maintain native earthworms and, possibly, enhance ecosystem services. However, an exotic species was found in high abundance at one agropastoral site. These results highlight the need for additional biodiversity studies on earthworms in the Brazilian Pampa and for research on the impacts of land use changes in this region.
650 $aEarthworms
650 $aOligochaeta
653 $aAgropastoral systems
653 $aSoil macrofauna
700 1 $aPODGAISKI, L. R.
700 1 $aOVERBECK, G. E.
700 1 $aSANTOS, A.
700 1 $aWINCK, B.
700 1 $aBROWN, G. G.
700 1 $aBARTZ, M. L. C.
773 $tZootaxa$gv. 5255, n. 1, p. 377-399, 2023.
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Embrapa Florestas (CNPF) |
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