Publicações - ciências agrárias
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Reinaldo Calçada Guina Luís;
R J Klitzke;
Márcio Pereira da Rocha
Palavra-chave:
tratamento térmico;
espécies exóticas
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Tecnologia e Utilização de Produtos Florestais; Relações Água-Madeira e Secagem;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Tecnologia e Utilização de Produtos Florestais; Propriedades Fisico-Mecânicas da Madeira
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Setsuo Iwakiri;
TRIANOSKI, R.;
Alessandra Monique Weber;
Eraldo Antonio Bonfatti Junior;
Giuliano Ferreira Pereira;
Jéssica Aline Bueno;
Luana Cechin;
Renan Zunta Raia
FLORESTA (ONLINE) (CURITIBA),
v. 47,
n. 3,
p. 289-296,
2017
Palavra-chave:
seringueira;
plantio florestal;
extrativos da madeira;
construção civil
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Tecnologia e Utilização de Produtos Florestais; Tecnologia de Chapas
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Elder Eloy;
Dimas Agostinho da Silva;
Bráulio Otomar Caron;
Rômulo Trevisan;
Rafael Balbinot
COMUNICATA SCIENTIAE,
v. 8,
n. 3,
p. 469-476,
2017
Palavra-chave:
Biomass;
immediate chemical analysis;
acácia
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Silvino Guimarães Moreira;
Luis I. Prochnow;
Volnei Pauletti;
Bruno Montoane Silva;
Jorge C. Kiehl;
Carine Gregório Machado Silva
Palavra-chave:
copper;
iron;
manganese;
zinc;
no till
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Agronomia; Ciência do Solo; Fertilidade do Solo e Adubação;
CIENCIAS_AGRARIAS; Agronomia; Ciência do Solo; Nutrição Mineral de Plantas
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(pt)
The effect of liming on the availability of micronutrients to soybean cultivated during different numbers of years under no tillage (NT) was investigated. The treatments consisted of the number of years under NT (three, six, and nine years) and five rates of lime (0, 33, 67 and 100% of the amount calculated to raise soil base saturation to 70%) broadcast on soil surface plus the rate of 100% broadcast with incorporation in the 0-0.20 m layer of a clayey Red Oxisol. Soil and leaf samples were collected at two vegetative stages of the crop (vegetative V4 and blossoming R2). The soil was sampled at depths of 0-0.05, 0.05-0.10, 0.10-0.20, and 0.20-0.30 m. Surface liming had little effect on extractable soil micronutrient and nutrient concentrations in soybean leaves. In the area with three years under NT, all liming rates decreased the extractable soil Zn up to a depth of 0.20 m. Lime incorporation decreased the extractable soil Mn in the surface layer. There were no differences in the extractable soil micronutrients and nutrient concentrations in soybean leaves as a function of the number of years under NT. These data suggest that broadcasting lime at current rates on soils under NT does not necessarily lead to micronutrient deficiencies.
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Anderson Pertuzzatti;
André Luiz MISSIO;
Pedro Henrique Gonzalez de Cademartori;
Elio José Santini;
HASELEIN, CLÓVIS ROBERTO;
Camila Berger;
Darci Alberto Gatto;
Gianluca Tondi
Palavra-chave:
Thermal modification;
Plastification;
Wood resistance;
Physical properties;
Hydrophobization
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Tecnologia e Utilização de Produtos Florestais; Tecnologia de Chapas;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Tecnologia e Utilização de Produtos Florestais; Tratamento da Madeira
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MISUGI, CÍNTIA TIEMI;
SAVI, LIZANDRA KAMRADT;
IWANKIW, PATRÍCIA KANCZEWSKI;
Masson, Maria Lucia;
DE OLIVEIRA, MARCO AURÉLIO SCHULER;
IGARASHI-MAFRA, LUCIANA;
MAFRA, MARCOS ROGÉRIO
Palavra-chave:
protein solutions;
freezing cycles;
molecular interactions;
thermodynamics
Áreas do conhecimento:
Engenharias; Engenharia Elétrica; Telecomunicações;
CIENCIAS_AGRARIAS; Ciência e Tecnologia de Alimentos; Engenharia de Alimentos; Instalações Industriais de Produção de Alimentos
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Freezing is a widely applied method in food preservation. The technique has negative effects on sensory and textural properties of some foods. In this study the effects of the freeze–thaw process and lactobionic acid (LBA) as a cryoprotectant on GlnK protein solution were evaluated by circular dichroism (CD) analysis and isothermal titration calorimetry (ITC). The freeze–thaw cycles caused changes in GlnK conformation and interactions with small ligands (adenosine triphosphate, ATP). CD assay demonstrated changes in the molar ellipticity values of the samples subjected to freezing, indicating conformational changes to the GlnK protein. Additionally, ITC analysis indicated that the freeze–thaw process caused changes in the interaction properties of GlnK with its ligand ATP. LBA cryoprotectant activity was also evaluated and with both of the techniques it was demonstrated that the compound prevented the damage caused by the freeze–thaw process, thereby maintaining the characteristics of the samples.
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CANTARELLA, RAQUEL DE ARAÚJO;
DE OLIVEIRA, JULIANA KRAVETZ;
DORBANDT, DANIEL M.;
Fabiano Montiani Ferreira
Palavra-chave:
corneal anatomy;
corneal sensitivity;
corneal pachymetry
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Anatomia e Patologia;
CIENCIAS_AGRARIAS; Medicina Veterinária; Clínica e Cirurgia Animal; Oftalmologia Veterinária
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(en)
To evaluate corneal sensitivity by using the Cochet-Bonnet® esthesiometer in normal canine eyes at different time points following instillation of three different topical non-steroidal anti-inflammatory drugs (flurbiprofen sodium 0.03%, diclofenac sodium 0.1% and ketorolac tromethamine 0.5%) and benzalkonium chloride 0.01%. Six healthy mixed breed dogs from the same litter were used in two different stages. First, one drop of flurbiprofen sodium 0.03% and diclofenac sodium 0.1% in each eye; second, one drop of ketorolac tromethamine 0.5% and benzalkonium chloride 0.01% in each eye. Baseline esthesiometry was obtained before eye drop application and every 15 minutes thereafter until a total of 105 minutes of evaluation time. A one-week interval was allowed between the two treatment phases. Statistical analysis was used to compare means according to time of evaluation and drug used. Diclofenac sodium 0.1% decreased corneal sensitivity at 75 and 90 minutes (P > 0.015) with possible interference on neuronal nociceptive activity and analgesic effect while ketorolac tromethamine 0.5% did not show any variation for esthesiometry means along the evaluation. Flurbiprofen sodium 0.03% resulted in increased esthesiometry values 30 minutes after instillation (P > 0.013), increasing corneal sensitivity and possibly producing a greater irritant corneal effect over its analgesic properties. Benzalkonium chloride 0.01% significantly increased corneal sensitivity at 15 minutes of evaluation (P > 0.001), most likely resulting from its irritating effect. Esthesiometry did not allow a definite conclusion over the analgesic effect of the NSAIDs tested; however it was effective in detecting fluctuations in corneal sensitivity.Keywords: Cochet-Bonnet, Cornea, Nociceptors, NSAID
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Machado, Edilene B.;
Nilton José Sousa;
F. MOSCARDI
FLORESTA (ONLINE) (CURITIBA),
v. 47,
n. 2,
p. 207-212,
2017
Palavra-chave:
Mariposa-do-Álamo;
Vírus Entomopatogênico;
populus;
Controle biológico
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Tecnologia de Alimentos;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Silvicultura; Fisiologia Florestal;
CIENCIAS_AGRARIAS; Recursos Florestais e Engenharia Florestal; Silvicultura; Proteção Florestal
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LAURINDO, ELLEN ELIZABETH;
Ivan Roque de Barros Filho
Palavra-chave:
prion;
BSE
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Medicina Veterinária; Clínica e Cirurgia Animal; Clínica Veterinária;
CIENCIAS_AGRARIAS; Medicina Veterinária; Medicina Veterinária Preventiva; Doenças Infecciosas de Animais
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RESUMO: A encefalopatia espongiforme bovina (EEB), causada por um príon infectante, surgiu na...
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SALGADO, JORDANA ANDRIOLI;
MOLENTO, MARCELO BELTR'O;
SOTOMAIOR, CRISTINA SANTOS;
Laila Talarico Dias Teixeira;
DIAS DE CASTRO, LUCIANA LAITANO;
FAISCA, LAURA DERENEVICZ;
MONTEIRO, ALDA L'CIA GOMES
Palavra-chave:
gastrointestinal nematodes;
sheep;
suplementation
Áreas do conhecimento:
CIENCIAS_AGRARIAS; Zootecnia; Produção Animal; Manejo de Animais
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Lambs are the most susceptible category for parasite infections; therefore, the choice of the production system can influence nutritional status and reduce parasite infections. The present study aimed to evaluate the endoparasites and nutritional status of meat lambs in seven production systems. In the feedlot, they were (S1) early weaned lambs in feedlot and (S2) unweaned lambs in feedlot with controlled suckling. On pasture, they were (S3) early weaned lambs on pasture without supplementation, (S4) early weaned lambs on pasture with concentrate supplementation post-weaning, (S5) unweaned and unsupplemented lambs on pasture, (S6) unweaned lambs on pasture with concentrate supplementation and creep-feeding and (S7) unweaned lambs on pasture with free access to creep-grazing on white clover (Trifolium repens). Suffolk lambs (n = 132) were evaluated from 45 to 101 days of age, at 14-day intervals (0, 14, 28, 42 and 56 days). Parasite faecal egg count (FEC), FAMACHA score (FMC), average daily weight-gain and body condition score (BCS) were evaluated. The animals were treated with anthelmintics when they had FMC 3, 4 or 5 and/or FEC above 700. BCS and FEC (r = –0.361) and BCS and FMC variables (r = –0.313) were negatively correlated (P ≤ 0.01). FEC was lower in feedlot and in creep-feeding animals than in the other systems after the second evaluation (28 days). The weaned feedlot-lamb and controlled-suckling systems presented the best performance. On pasture, the animals in creep-feeding and creep-grazing had the best performance. Weaned and unsupplemented lambs on pasture had the lowest daily weight-gain (63 g/day) and the highest FMC scores (43% of animals) and the lowest BCS (mean 1.5). The endoparasite and nutritional statuses of the lambs were strongly correlated and were influenced by the production system, mainly when the ewes were present and the lambs received supplementation on pasture.
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