Erratum to: Chemical contamination in upper horizon of Haplic Chernozem as a transformation factor of its physicochemical properties     

Minkina  Tatiana M.  Pinskii  David L.  Zamulina  Inna V.  Nevidomskaya  Dina G.  Gülser  Coşkun  Mandzhieva  Saglara S.  Bauer  Tatiana V.  Morozov  Igor V.  Sushkova  Svetlana N.  Kizilkaya  Ridvan 《Journal of Soils and Sediments》2018,18(6):2431-2431

Journal of Soils and Sediments -  相似文献   

Effects of dietary microencapsulated <Emphasis Type="Italic">Cymbopogon flexuosus</Emphasis> essential oil on reproductive-related parameters in male <Emphasis Type="Italic">Rhamdia quelen</Emphasis>     

Carine de Freitas Souza  Cristine Rampelotto  Bruno Bianchi Loureiro  Fernanda Alves Pereira  Adriane Erbice Bianchini  Carine Dahl Corcini  Antonio Sergio Varela Junior  Tatiana Emanuelli  Leila Picolli da Silva  Sílvio Teixeira da Costa  Kalyne Bertolin  Monique Tomazele Rovani  Paulo Bayard Dias Gonçalves  Berta Maria Heinzmann  Bernardo Baldisserotto 《Fish physiology and biochemistry》2018,44(4):1253-1264

In aquaculture, nutrition and supplemented diets have been shown to affect broodstock reproductive performance. In this study, we investigated the effects of dietary supplementation with Cymbopogon flexuosus essential oil (CFEO) microcapsules on reproductive-related parameters in silver catfish (Rhamdia quelen) male broodfish. Adult male broodstocks were separated into three groups according to the concentrations of supplemented CFEO (0.0?=?control; 1.0 or 3.0 mL per kg of diet). After 20 days under experimental conditions, the animals were euthanized and the gonads were harvested for gonadosomatic index, sperm analysis, oxidative stress, and histopathology; testosterone levels were measured in the plasma; gene expression of prl, smtl, pomca, and pomcb was assessed in the pituitary gland by real-time PCR. The results showed no alterations on reproductive parameters in R. quelen males treated with Cymbopogon flexuosus essential oil compared to the control-diet animals. In conclusion, CFEO microcapsules supplied for 20 days in the concentrations of 1.00 or 3.00 mL per kilogram of diet did not affect the reproduction criteria evaluated in this study in male silver catfish.  相似文献   

Effects of Long-Term Feed Deprivation on the Development of Rigor Mortis and Aspects of Muscle Quality in Live-Stored Mature Atlantic Cod (Gadus Morhua L.)     

Tatiana N. Ageeva  Ragnar L. Olsen  Sjurdur Joensen  Margrethe Esaiassen 《Journal Of Aquatic Food Product Technology》2018,27(4):477-485

Fresh Atlantic cod is available in large amounts in Norway during the first 5 months of the year. Live-storage of cod may extend the marketing period of fresh cod products throughout the year. In addition, this concept makes pre-rigor processing possible. The main problem of keeping wild cod in captivity is that it does not easily accept formulated dry feed. The purpose of this study was, therefore, to investigate how long-term live-storage of mature Atlantic cod in the absence of feed (79 days) affects the onset and development of rigor mortis, as well as fillet quality by assessing hardness and water-holding capacity of the muscle, pH, protein, and water content. The results showed that starvation of Atlantic cod for 23 days reduces the pre-rigor time from 29 to 17 h. Further starvation did not decrease this period significantly, suggesting that live-stored cod deprived of feed for 79 days may still be industrially processed before the onset of rigor mortis. More than 51 days of starvation reduced protein concentration and increased water content of the muscle. After 51 days, the muscle texture was softer than in fish starved for a shorter period.  相似文献   

Survival and growth of geoduck clam larvae (Panopea generosa) in flow‐through culture tanks under laboratory conditions          下载免费PDF全文

Gabriel Enrique Nava‐Gómez  Zaúl Garcia‐Esquivel  Eugenio Carpizo‐Ituarte  Tatiana N Olivares‐Bañuelos 《Aquaculture Research》2018,49(1):294-300

The geoduck clam, Panopea generosa, is a species from the west coast of Baja California, Mexico, and the optimization of seed production systems is still a limiting factor for its aquaculture. In this study, a flow‐through culture system was designed and tested in P. generosa larvae. Survival and growth was compared in triplicate 45‐L fiberglass tanks using three larval densities (5, 10 and 15 larvae/ml). A head tank kept constant the water inflow, with a daily renewal rate of 1.8× tank volume. The food (Isochrysis spp.) was dosed according to the ingestion rate of larvae and the dilution rate. Survival decreased linearly during the first 10 days and reached asymptotic values of ca. 20% (15 larvae/ml) and 50% (densities of 5 and 10 larvae/ml) afterwards. Mean shell length at the end of the experiment (243 ± 1.8 to 270 ± 0.7 μm) was not statistically different among treatments, even though a trend towards higher gross growth rate was observed in the treatment with the lowest density (9.5 μm/day) relative to the rest of the treatments (8.5 μm/day). It is concluded that P. generosa larvae can be successfully grown in flow‐through systems at maximum densities of 10 larvae/ml without significantly affecting their survival and growth rates. The system design was reliable, kept a constant water flow with reduced maintenance, and may represent an important option in the laboratory for increasing the stocking density of Panopea species during the larval phase.  相似文献   

The importance of dust material in urban soil formation: the experience on study of two young Technosols on dust depositions     

Tatiana V. Prokof’eva  Alexey V. Kiryushin  Vassiliy A. Shishkov  Feodor A. Ivannikov 《Journal of Soils and Sediments》2017,17(2):515-524

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Survey radiography and computerized tomography imaging of the thorax in female dogs with mammary tumors     

Carolina C Otoni  Sheila C Rahal  Luiz C Vulcano  Sérgio M Ribeiro  Khadije Hette  Tatiana Giordano  Danuta P Doiche  Renée L Amorim 《Acta veterinaria Scandinavica》2010,52(1):20

Background

Accurate early diagnosis of lung metastases is important for establishing therapeutic measures. Therefore, the present study aimed to compare survey thoracic radiographs and computerized tomography (CT) scans to specifically identify lung metastases in female dogs with mammary tumors.

Methods

Twenty-one female dogs, weighing 3 to 34 kg and aged from 5 years to 14 years and 10 months, with mammary tumors were studied. In all dogs before the imaging examinations, fine-needle aspiration cytology of the mammary tumors was performed to confirm the diagnosis. Three-view thoracic radiographs were accomplished: right lateral, left lateral and ventrodorsal views. Sequential transverse images of the thorax were acquired on a spiral Scanner, before and after intravenous bolus injection of nonionic iodine contrast. Soft-tissue and lung windows were applied. All the mammary tumors were surgically removed and examined histologically.

Results

The correlation between the cytological and histological results regarding presence of malignancy was observed in only 17 cases. In radiographic examinations, no dog displayed signs of lung metastases or thorax chest lesions. CT detected lung metastasis in two cases, while small areas of lung atelectasis located peripherally were found in 28.57% of the dogs.

Conclusion

In this study population, spiral CT showed higher sensitivity than chest radiographies to detect lung metastasis; this indicates that CT should be performed on all female dogs with malignant mammary tumors.  相似文献   

Cardiopulmonary and isoflurane‐sparing effects of epidural or intravenous infusion of dexmedetomidine in cats undergoing surgery with epidural lidocaine     

Sérgio S Souza  Tatiana R Intelisano  Christianni P De Biaggi  Cláudio A Moura  André L Selmi  Ricardo A Dias  Sílvia R G Cortopassi 《Veterinary anaesthesia and analgesia》2010,37(2):106-115

ObjectiveTo compare the cardiorespiratory, anesthetic-sparing effects and quality of anesthetic recovery after epidural and constant rate intravenous (IV) infusion of dexmedetomidine (DEX) in cats given a low dose of epidural lidocaine under propofol-isoflurane anesthesia and submitted to elective ovariohysterectomy.Study designRandomized, blinded clinical trial.AnimalsTwenty-one adult female cats (mean body weight: 3.1 ± 0.4 kg).MethodsCats received DEX (4 μg kg^?1, IM). Fifteen minutes later, anesthesia was induced with propofol and maintained with isoflurane. Cats were divided into three groups. In GI cats received epidural lidocaine (1 mg kg^?1, n = 7), in GII cats were given epidural lidocaine (1 mg kg^?1) + DEX (4 μg kg^?1, n = 7), and in GIII cats were given epidural lidocaine (1 mg kg^?1) + IV constant rate infusion (CRI) of DEX (0.25 μg kg^?1 minute^?1, n = 7). Variables evaluated included heart rate (HR), respiratory rate (f_R), systemic arterial pressures, rectal temperature (RT), end-tidal CO₂, end-tidal isoflurane concentration (e′ISO), arterial blood gases, and muscle tone. Anesthetic recovery was compared among groups by evaluation of times to recovery, HR, f_R, RT, and degree of analgesia. A paired t-test was used to evaluate pre-medication variables and blood gases within groups. anova was used to compare parametric data, whereas Friedman test was used to compare muscle relaxation.ResultsEpidural and CRI of DEX reduced HR during anesthesia maintenance. Mean ± SD e′ISO ranged from 0.86 ± 0.28% to 1.91 ± 0.63% in GI, from 0.70 ± 0.12% to 0.97 ± 0.20% in GII, and from 0.69 ± 0.12% to 1.17 ± 0.25% in GIII. Cats in GII and GIII had longer recovery periods than in GI.Conclusions and clinical relevanceEpidural and CRI of DEX significantly decreased isoflurane consumption and resulted in recovery of better quality and longer duration, despite bradycardia, without changes in systemic blood pressure.  相似文献   

Impact of soil organic matter on calcium carbonate equilibrium and forms of Pb in water extracts from Kastanozem complex     

Kalinichenko  Valery P.  Glinushkin  Alexey P.  Sokolov  Michael S.  Zinchenko  Vladimir E.  Minkina  Tatiana M.  Mandzhieva  Saglara S.  Sushkova  Svetlana N.  Makarenkov  Dmitry A.  Bakoyev  Sirojdin Y.  Il’ina  Ljudmila P. 《Journal of Soils and Sediments》2019,19(6):2717-2728

Purpose

Accounting for ionic strength and ion association, the degree of calculated supersaturation with CaCO₃ of gleyic solonetz and molic solonetz soil solution is high. The purpose of the research was to reveal the effect of the water-dissolved organic matter (DOM) on the calcium carbonate equilibrium (CCE) in soil solution, to create a thermodynamic model of carbonate association and complexation with DOM and heavy metals (HMs), and to correct the principal of soil management.

Materials and methods

Object of research—Kastanozem complex of the dry steppe, Rostov Oblast, Russia. The water extraction of soluble salts was made at the water-to soil-ratio 5:1 and analyzed using standard methods. DOM content was determined by Strosser (J Agrobiol 27:49–60, 2010). The soil solution macro-ion equilibrium composition was calculated using ION-2 program (Endovitsky et al. 2009). DOM role in soil solution supersaturation with СаСО₃ was assessed, comparing C content in real solution and in identical artificial solution prepared without organic matter. Taking into account the ion association, the molar fractions of free and bound HM ion were calculated using microelement association coefficient, k_as(ME). The soil liquid-phase saturation with CaCO₃ was characterized by the ratio of the real solubility product (S) to the thermodynamic solubility product (S⁰): К?=?S/S⁰.

Results and discussion

The soil solution supersaturation with CaCO₃ was characterized by the product of analytical concentrations (S), equilibrium concentrations [accounting ion activity (S^I), ion association (S^II), ion association and complexation (S^III)], and the thermodynamic solubility product (S⁰). To evaluate the role of DOM in soil solution supersaturation with CaCO₃, the initial pure Ca (HCO₃)₂ solution series was prepared. The humic and fulvic acids from the illuvial horizon of gleyic solonetz with concentrations of 20 mg C L^?1 and 120 mg C L^?1 decreased the CaCO₃ precipitation compared with initial soil solution. The release of CaCO₃ from soil water extracts containing water-soluble organic matter was 1.2–1.9 times less compared with identical artificial solution not containing organic matter. The HM binding by carbonates is proportional to the DOM content.

Conclusions

In molic solonetz and gleyic solonetz, the neutralization of the soda should be assessed by the soil solution supersaturation with CaCO₃. To calculate the degree of HM passivation in soil solution containing DOM, the coefficient of soil solution oversaturation with CaCO₃ is proposed. For reducing soil organic matter and DOM mobility and loss from soil, as well as for Pb passivation, intra-soil mechanical processing, intra-soil waste management, and intra-soil watering are proposed.

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Oceanographic habitat suitability is positively correlated with the body condition of a coastal‐pelagic fish     

Curtis Champion  Alistair J. Hobday  Gretta T. Pecl  Sean R. Tracey 《Fisheries Oceanography》2020,29(1):100-110

Species distribution models are commonly used to determine a species’ probability of occurrence but have not been used to examine the effect of environmental habitat suitability on fish condition, which is considered to be an integrated measure of physiological status. Here, we test for a relationship between oceanographic habitat suitability and the body condition of kingfish (Seriola lalandi) from eastern Australia. We (a) test whether individuals sampled from areas of high‐quality habitat were in better condition than individuals sampled from areas of low‐quality habitat, and (b) assess whether the condition of kingfish responded to oceanographic habitat suitability predicted at varying time‐before‐capture periods. Kingfish habitat was modelled as a function of sea surface temperature, sea‐level anomaly and eddy kinetic energy in a generalized additive modelling framework. Model predictions were made over one‐ to six‐week time‐before‐capture periods and compared to field‐derived kingfish condition data measured using bioelectrical impedance analysis. Oceanographic habitat suitability was significantly correlated with kingfish condition at time‐before‐capture periods ranging from one to four weeks and became increasingly correlated at shorter lead‐times. Our results highlight that (a) fish condition can respond sensitively to environmental variability and this response can be detected using oceanographic habitat suitability models, and (b) climate change may drive extensions in species range limits through spatial shifts in oceanographic habitat quality that allow individuals to persist beyond historical range boundaries without their body condition being compromised.  相似文献   

Effect of insulin on total protein synthesis in pig adipocytes.     

D R Champion  L L Benyshek  R R Kraeling  J O Reagan 《Journal of animal science》1979,48(4):853-858

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