Glycemic variability in newly diagnosed diabetic cats treated with the glucagon-like peptide-1 analogue exenatide extended release     

Anna L. Krämer  Angelina Riederer  Federico Fracassi  Felicitas S. Boretti  Nadja S. Sieber-Ruckstuhl  Thomas A. Lutz  Barbara Contiero  Eric Zini  Claudia E. Reusch 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2020,34(6):2287-2295

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Guideline for the description of soils in the Berlin metropolitan area: an extension for surveying and mapping anthropogenic and natural soils in urban environments within the German soil classification system     

Makki  Mohsen  Thestorf  Kolja  Hilbert  Sabine  Thelemann  Michael  Makowsky  Lutz 《Journal of Soils and Sediments》2021,21(5):1998-2012

Journal of Soils and Sediments - In urban areas, humans shape the surface, (re-)deposit natural or technogenic material, and thus become the dominant soil formation factor. The 2015 edition of the...  相似文献   

The role of polymerase chain reaction and its newer developments in feline medicine     

Lutz H  Leutenegger C  Hofmann-Lehmann R 《Journal of Feline Medicine and Surgery》1999,1(2):89-100

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Leaching of dissolved and particulate phosphorus via preferential flow pathways in a forest soil: An approach using zero‐tension lysimeters     

Vera Makowski  Stefan Julich  Karl-Heinz Feger  Lutz Breuer  Dorit Julich 《植物养料与土壤学杂志》2020,183(2):238-247

Phosphorus (P) fluxes from forest soils are not well understood. For temperate zone forests, there is some evidence from watershed studies that P export occurs mainly in preferential flow pathways during storm events after dry periods. Therefore, we tested the practical applicability of a sampling approach, which should allow for quantifying P concentrations and fluxes. We used zero‐tension lysimeters, which were installed beneath the topsoil and in the subsoil at plots in the Tharandt Forest (Saxony, East Germany). Two storm events after dry periods were simulated by means of experimental sprinkler irrigation. Preferential flow water collected with the zero‐tension lysimeters was analyzed for total P (TP), particulate P (PP), dissolved organic P (DOP) and dissolved inorganic P (DIP), and the respective P fluxes were calculated. The results indicate that the experimental approach is applicable to estimate fluxes of different P fractions in preferential flow. Measured data point toward a distinct flushing of P in the first hours of heavy rainfall events with PP fraction playing a dominant role. In general, P concentrations decreased quickly during the first 2 h of irrigation and then remained constant. Initial concentrations and cumulative fluxes were highest in the subsoil samplers. For a better understanding of underlying processes, further research with a special focus on the PP fraction is necessary.  相似文献   

Effect of fertilizers and irrigation on multi-configuration electromagnetic induction measurements     

Manuela S. Kaufmann  Christian von Hebel  Lutz Weihermüller  Michael Baumecker  Thomas Döring  Kathlin Schweitzer  Eleanor Hobley  Sara L. Bauke  Wulf Amelung  Harry Vereecken  Jan van der Kruk 《Soil Use and Management》2020,36(1):104-116

Electromagnetic induction (EMI) data are often used to investigate spatial and temporal patterns of soil texture, soil water content and soil salinity. We hypothesized that the EMI methodology might thus also offer potential to detect agricultural legacy effects originating from fertilizer application and irrigation of different fields. Therefore, we performed EMI measurements on two long-term field experiments (LTFE) at Thyrow near Berlin (Germany) that differed in agricultural management with regard to long-term irrigation in combination with mineral (NPK and lime) and organic amendments (straw and farmyard manure). Two different rigid-boom multi-coil EMI instruments were used to measure simultaneously the apparent electrical conductivity (ECa) over nine different depth ranges to study the entire soil profile from topsoil to deep subsoil. Additionally, soil samples were taken from the different treatments to ground-truth the measurements and disentangle the nutrient application or irrigation effects from natural soil heterogeneity. The soil samples indicated a rather homogenous soil and the correlation between soil parameters or states were not significant. However, the treatments showed significant differences in measured ECa values. In general, ECa values were largest on regularly irrigated as well as on mineral and organic fertilized plots, with regular irrigation exhibiting the largest impact on EMI records even though the last application was months before the EMI measurement. Overall, this study reveals that EMI data can support the classical in situ assessment of agricultural management effects within LTFE, while offering new potentials in detecting and understanding legacy effects of agricultural management on spatial soil properties at farm level.  相似文献   

Clinico-chemical blood parameters in foals in the first two months of life]     

R O Waelchli  H Lutz  M Hermann  E Eggenberger 《Schweizer Archiv für Tierheilkunde》1992,134(10):471-482

Eighteen healthy foals were studied from birth until 2 months of age. Blood samples were obtained at the following times: presuckle, 30 hours, 1, 3, 5, 7 and 9 weeks of age. Changes in serum P, Mg, Ca, Na, K, Cl, iron, AP, ASAT, ALAT, GGT, GLDH, CK, lipase, urea, creatinine, cholesterol, triglyceride, uric acid, protein and fibrinogen and in plasma total solids were examined and the values compared to reference values of adult horses. There were characteristic age related changes in several parameters. Single measurements should be interpreted cautiously to allow for individual variations.  相似文献   

Behavior of Newcastle disease virus in the airborne state. 2. Estimation of aerogenic dissemination     

B Lutz  W Müller  K M Koch  D Strauch 《Zentralblatt für Veterin?rmedizin. Reihe B. Journal of veterinary medicine. Series B》1984,31(5):329-337

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Misuse of thyrostatic drugs in cattle: determination of thyroxine (T4) concentration and thyroid weight and detection of methylthiouracil (MTU)     

I Venzin  J Blum  F Crameri  F Ehrensperger  H Lutz 《Schweizer Archiv für Tierheilkunde》1986,128(9):443-458

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The connections between structure, pharmacokinetics and effects of glucocorticoids     

F Lutz 《Tier?rztliche Praxis》1988,16(4):333-341

Corticosteroids above all have an influence on the metabolism of proteins, lipids and carbohydrates. Inflammatory and immunological reactions are suppressed. The effects are based on the induction of both primary and secondary responses. Examples in catabolic and anabolic reactions are described. The significance of bioavailability is illustrated and hints to discriminate the types of corticosteroids for therapeutic requirement are given.  相似文献   

Hormonal changes and follicular activity after treatment with intravaginal progesterone‐releasing devices in llamas          下载免费PDF全文

MV Cavilla  CP Bianchi  F Aguilera  M Hermida  MA Aba 《Reproduction in domestic animals》2016,51(6):930-939

Plasma progesterone (P₄) concentrations and follicular activity after administration of different P₄ doses were evaluated in 33 adult female llamas treated with intravaginal devices. In Study 1, a group of llamas (n = 10) was treated with an intravaginal device (IVD) containing 160 (n = 5) or 780 mg of P₄ (n = 5). Based on the results from the first study, in Study 2, females with follicles at different stages of development were treated with the IVD containing 780 mg of P₄ (n = 21) or remain untreated (control; n = 12) to evaluate the effect of P₄ on follicular activity. In Study 1, the IVD containing 160 mg of P₄ induced follicular turnover in 60% of females while the remaining 40% of llamas developed persistent follicles. Thus, this device controlled follicular activity in llamas, although it promotes the persistence of follicles present at start of treatment. Conversely, in both studies, the IVD containing 780 mg of P₄ suppressed follicular development and hasten the emergence of a new follicular wave in all females regardless of the follicular phase at insertion. Additionally, in Study 2, this device effectively concentrated the appearance of follicles with ovulatory diameter at a definite time after treatment in comparison with control animals. In conclusion, treatment with an IVD containing 780 mg of P₄ would be considered for the control of follicular activity in llamas as it ensures the presence of a young follicle with ovulatory diameter by day 6 after the end of treatment in all females.  相似文献