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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
20/02/1997 |
Data da última atualização: |
28/06/2023 |
Autoria: |
UPREDI, G. C.; PAYNE, S. R.; DUGANZICH, D. M.; OLIVER, J. E.; SMITH, J. F. |
Título: |
Enzyme leakage during cryopreservation of ram spermatozoa. |
Ano de publicação: |
1996 |
Fonte/Imprenta: |
Animal Reproduction Science, v. 41, n. 1, p. 27-36, Jan. 1996. |
DOI: |
https://doi.org/10.1016/0378-4320(95)01442-X |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Spermatozoal motility and enzyme leakage during cryopreservation of ram spermatozoa was evaluated in the presence and absence of antifreeze proteins (AFP). Loss of spermatozoal motility due to the cryopreservation process was reduced by 10% in the presence of AFP. Samples of the diluted semen at various stages of the cryopreservation process were assayed for aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), acid phosphatase (ACP) and lactate dehydrogenase (LDH). The levels of AST, ALT and ACP were low in ram spermatozoa and were not considered suitable for the objective measurement of spermatozoal damage. ALP leaked during the cooling and freezing process, whereas LDH leakage was prevalent during cooling, freezing and post-thaw incubation of spermatozoa. Changes in ALP and LDH could be used as marker enzymes in the development of semen processing protocols and of semen diluents. |
Thesagro: |
Criopreservação; Enzima; Espermatozóide; Ovino; Sêmen. |
Thesaurus Nal: |
Alkaline phosphatase; Antifreeze proteins; Cold storage; Males; Rams; Reproduction; Sheep; Spermatozoa. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 01849naa a2200337 a 4500 001 1523457 005 2023-06-28 008 1996 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/0378-4320(95)01442-X$2DOI 100 1 $aUPREDI, G. C. 245 $aEnzyme leakage during cryopreservation of ram spermatozoa.$h[electronic resource] 260 $c1996 520 $aAbstract: Spermatozoal motility and enzyme leakage during cryopreservation of ram spermatozoa was evaluated in the presence and absence of antifreeze proteins (AFP). Loss of spermatozoal motility due to the cryopreservation process was reduced by 10% in the presence of AFP. Samples of the diluted semen at various stages of the cryopreservation process were assayed for aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), acid phosphatase (ACP) and lactate dehydrogenase (LDH). The levels of AST, ALT and ACP were low in ram spermatozoa and were not considered suitable for the objective measurement of spermatozoal damage. ALP leaked during the cooling and freezing process, whereas LDH leakage was prevalent during cooling, freezing and post-thaw incubation of spermatozoa. Changes in ALP and LDH could be used as marker enzymes in the development of semen processing protocols and of semen diluents. 650 $aAlkaline phosphatase 650 $aAntifreeze proteins 650 $aCold storage 650 $aMales 650 $aRams 650 $aReproduction 650 $aSheep 650 $aSpermatozoa 650 $aCriopreservação 650 $aEnzima 650 $aEspermatozóide 650 $aOvino 650 $aSêmen 700 1 $aPAYNE, S. R. 700 1 $aDUGANZICH, D. M. 700 1 $aOLIVER, J. E. 700 1 $aSMITH, J. F. 773 $tAnimal Reproduction Science$gv. 41, n. 1, p. 27-36, Jan. 1996.
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Embrapa Caprinos e Ovinos (CNPC) |
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Biblioteca(s): |
Embrapa Acre. |
Data corrente: |
16/04/1997 |
Data da última atualização: |
24/05/2023 |
Autoria: |
MOURA, G. de M.; FREITAS, T. S. de. |
Afiliação: |
GERALDO DE MELO MOURA, CPAF-AC; TADEU SEVERIANO DE FREITAS, CPAF-AC. |
Título: |
Comportamento de cultivares de mamona no Estado do Acre. |
Ano de publicação: |
1985 |
Fonte/Imprenta: |
Rio Branco, AC: Embrapa-UEPAE Rio Branco, 1985. |
Páginas: |
3 p. |
Série: |
(Embrapa-UEPAE Rio Branco. Pesquisa em andamento, 46). |
ISSN: |
0101-6075 |
Idioma: |
Português |
Conteúdo: |
Esta publicação divulga estudo sobre comportamento de cultivares de mamona no Estado do Acre. |
Palavras-Chave: |
Aclimatación; Acre; Amazonia Occidental; Amazônia Ocidental; Embrapa Acre; Ensayos de variedades; Factores ambientales; Fitomejoramiento; Granjas de demostración; Rendimiento de los cultivos; Rio Branco (AC); Semillas de ricino; Western Amazon. |
Thesagro: |
Aclimatação; Campo Experimental; Características Agronômicas; Comportamento de Variedade; Condição Ambiental; Mamona; Melhoramento Genético Vegetal; Rendimento; Ricinus Communis. |
Thesaurus NAL: |
Agronomic traits; Castor beans; Crop yield; Demonstration farms; Environmental factors; Plant breeding; Variety trials. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/131874/1/1137.pdf
|
Marc: |
LEADER 01566nam a2200505 a 4500 001 1492415 005 2023-05-24 008 1985 bl uuuu u0uu1 u #d 022 $a0101-6075 100 1 $aMOURA, G. de M. 245 $aComportamento de cultivares de mamona no Estado do Acre.$h[electronic resource] 260 $aRio Branco, AC: Embrapa-UEPAE Rio Branco$c1985 300 $a3 p. 490 $a(Embrapa-UEPAE Rio Branco. Pesquisa em andamento, 46). 520 $aEsta publicação divulga estudo sobre comportamento de cultivares de mamona no Estado do Acre. 650 $aAgronomic traits 650 $aCastor beans 650 $aCrop yield 650 $aDemonstration farms 650 $aEnvironmental factors 650 $aPlant breeding 650 $aVariety trials 650 $aAclimatação 650 $aCampo Experimental 650 $aCaracterísticas Agronômicas 650 $aComportamento de Variedade 650 $aCondição Ambiental 650 $aMamona 650 $aMelhoramento Genético Vegetal 650 $aRendimento 650 $aRicinus Communis 653 $aAclimatación 653 $aAcre 653 $aAmazonia Occidental 653 $aAmazônia Ocidental 653 $aEmbrapa Acre 653 $aEnsayos de variedades 653 $aFactores ambientales 653 $aFitomejoramiento 653 $aGranjas de demostración 653 $aRendimiento de los cultivos 653 $aRio Branco (AC) 653 $aSemillas de ricino 653 $aWestern Amazon 700 1 $aFREITAS, T. S. de
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