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Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
15/04/2016 |
Data da última atualização: |
15/04/2016 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
MOURINO, J. L. P.; PEREIRA, G. V.; VIEIRA, F. N.; JATOBA, A.; USHIZIMA, T. T.; SILVA, B. C.; SEIFFERT, W. Q.; JESUS, G. F. A.; MARTINS, M. L. |
Título: |
Isolation of probiotic bacteria from the hybrid South Americancatfish Pseudoplatystoma reticulatum×Pseudoplatystoma corruscans (Siluriformes: Pimelodidae): A haematological approach. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Aquaculture Reports, Filadélfia, EUA, v. 3, n. , p. 166-171, 2016. |
Idioma: |
Inglês |
Conteúdo: |
This study investigated bacterial strains with probiotic potential isolated from the middle portion of healthy hybrid surubim catfish foregut (Pseudoplatystoma reticulatum female× P. corruscans male). Twenty surubims weighing 1.5± 0.3 kg were used for bacterial isolation. In total, 41 strains of bacteria were selected in vitro. Ten strains had inhibition zones >10mm against Aeromonas hydrophila. Five of those strains presented inhibition zones > 9mm against other pathogenic bacteria and reached concentrations greater than 10 CFUmL in tubes containing de Man, Rogosa and Sharpe (MRS) medium. In particular, Weissella cibaria (P36) reached 10 CFUmL in MRS and was able to reduce the pH of the medium to 3.85. In the in vivo intestinal colonization studies, 72 healthy hybrid surubims were fed with a commercial diet supplemented with probiotic W. cibaria for 15 days. Changes in gut community composition were then analyzed, and probiotic profile of W. cibaria was determined molecularly by amplification of rRNA 16S gene was performed using PCR. Compared to control fish, W. cibaria-supplemented fish showed an increase in RBC. These results show the efficacy of our haematological approach to probiotic screening in hybrid sorubim. |
Palavras-Chave: |
Fish nutrition; Lactic acid bacteria; sorubim; Weisella cibaria. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02149naa a2200265 a 4500 001 1124990 005 2016-04-15 008 2016 bl uuuu u00u1 u #d 100 1 $aMOURINO, J. L. P. 245 $aIsolation of probiotic bacteria from the hybrid South Americancatfish Pseudoplatystoma reticulatum×Pseudoplatystoma corruscans (Siluriformes$bPimelodidae): A haematological approach.$h[electronic resource] 260 $c2016 520 $aThis study investigated bacterial strains with probiotic potential isolated from the middle portion of healthy hybrid surubim catfish foregut (Pseudoplatystoma reticulatum female× P. corruscans male). Twenty surubims weighing 1.5± 0.3 kg were used for bacterial isolation. In total, 41 strains of bacteria were selected in vitro. Ten strains had inhibition zones >10mm against Aeromonas hydrophila. Five of those strains presented inhibition zones > 9mm against other pathogenic bacteria and reached concentrations greater than 10 CFUmL in tubes containing de Man, Rogosa and Sharpe (MRS) medium. In particular, Weissella cibaria (P36) reached 10 CFUmL in MRS and was able to reduce the pH of the medium to 3.85. In the in vivo intestinal colonization studies, 72 healthy hybrid surubims were fed with a commercial diet supplemented with probiotic W. cibaria for 15 days. Changes in gut community composition were then analyzed, and probiotic profile of W. cibaria was determined molecularly by amplification of rRNA 16S gene was performed using PCR. Compared to control fish, W. cibaria-supplemented fish showed an increase in RBC. These results show the efficacy of our haematological approach to probiotic screening in hybrid sorubim. 653 $aFish nutrition 653 $aLactic acid bacteria 653 $asorubim 653 $aWeisella cibaria 700 1 $aPEREIRA, G. V. 700 1 $aVIEIRA, F. N. 700 1 $aJATOBA, A. 700 1 $aUSHIZIMA, T. T. 700 1 $aSILVA, B. C. 700 1 $aSEIFFERT, W. Q. 700 1 $aJESUS, G. F. A. 700 1 $aMARTINS, M. L. 773 $tAquaculture Reports, Filadélfia, EUA$gv. 3, n. , p. 166-171, 2016.
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Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
29/03/2023 |
Data da última atualização: |
29/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CAMACHO, P. A. G.; PINTO, C. E.; LOPES, C. F.; TOMAZELLI, D.; WERNER, S. S.; GARAGORRY, F. C.; BALDISSERA, T. C.; SCHIRMANN, J.; SBRISSIA, A. F. |
Título: |
Intensification of Pasture-Based Animal Production System Has Little Short-Term Effect on Soil Carbon Stock in the Southern Brazilian Highland. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Agronomy Journal, Suíça, v. 13, p. 1-9, 2023. |
Idioma: |
Inglês |
Conteúdo: |
Pastures are of central importance in food production and provide multiple ecosystem
services. The objective of this paper was to determine whether the intensification of pasture-based
animal production systems, through practices such as fertilization and improved pasture species, has
a higher capacity in the short-term (five years) to sequester carbon in the soil compared to (1) natural
grassland without anthropogenic interactions, (2) natural grassland fertilized and overseeded with
exotic species, and (3) annual pastures with frequent soil disturbance. The study assessed the organic
carbon stock (OCS), total organic carbon (TOC), particle size, porosity, and density at different soil
strata, as well as the root system and forage production. Forage dry matter (DM) production varied
significantly with means ranging from 6615 to 13,000 kg ha?1 year?1 for natural grassland (NG)
and permanent pasture (PP), respectively. Improved natural grassland (ING) and NG presented a
higher density and root diameter than PP and annual pasture (AP). Forage systems significantly
influenced soil porosity and density, with NG and ING showing lower soil densities and higher
soil porosities. The OCS (0?100 cm) was similar between NG (270 Mg ha?1), ING (255 Mg ha?1),
PP (274 Mg ha?1), and AP systems (256 Mg ha?1). Over a period of five years, the intensification of
pasture-based animal production systems did not have a significant impact on OCS in the soils of a
Brazilian subtropical highland. |
Thesagro: |
carbon sink; ecosystems services; grasslands; Southern Brazil; subtropical climate. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02343naa a2200277 a 4500 001 1133192 005 2023-03-29 008 2023 bl uuuu u00u1 u #d 100 1 $aCAMACHO, P. A. G. 245 $aIntensification of Pasture-Based Animal Production System Has Little Short-Term Effect on Soil Carbon Stock in the Southern Brazilian Highland.$h[electronic resource] 260 $c2023 520 $aPastures are of central importance in food production and provide multiple ecosystem services. The objective of this paper was to determine whether the intensification of pasture-based animal production systems, through practices such as fertilization and improved pasture species, has a higher capacity in the short-term (five years) to sequester carbon in the soil compared to (1) natural grassland without anthropogenic interactions, (2) natural grassland fertilized and overseeded with exotic species, and (3) annual pastures with frequent soil disturbance. The study assessed the organic carbon stock (OCS), total organic carbon (TOC), particle size, porosity, and density at different soil strata, as well as the root system and forage production. Forage dry matter (DM) production varied significantly with means ranging from 6615 to 13,000 kg ha?1 year?1 for natural grassland (NG) and permanent pasture (PP), respectively. Improved natural grassland (ING) and NG presented a higher density and root diameter than PP and annual pasture (AP). Forage systems significantly influenced soil porosity and density, with NG and ING showing lower soil densities and higher soil porosities. The OCS (0?100 cm) was similar between NG (270 Mg ha?1), ING (255 Mg ha?1), PP (274 Mg ha?1), and AP systems (256 Mg ha?1). Over a period of five years, the intensification of pasture-based animal production systems did not have a significant impact on OCS in the soils of a Brazilian subtropical highland. 650 $acarbon sink 650 $aecosystems services 650 $agrasslands 650 $aSouthern Brazil 650 $asubtropical climate 700 1 $aPINTO, C. E. 700 1 $aLOPES, C. F. 700 1 $aTOMAZELLI, D. 700 1 $aWERNER, S. S. 700 1 $aGARAGORRY, F. C. 700 1 $aBALDISSERA, T. C. 700 1 $aSCHIRMANN, J. 700 1 $aSBRISSIA, A. F. 773 $tAgronomy Journal, Suíça$gv. 13, p. 1-9, 2023.
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