Thematische Bibliographien / Sheep stable

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Auswahl der wissenschaftlichen Literatur zum Thema „Sheep stable“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Sheep stable"

Friend, M. A., and G. E. Robards. "Wool production and quality of three strains of Merino in a semi-arid environment under different grazing strategies." Australian Journal of Experimental Agriculture 46, no. 1 (2006): 37. http://dx.doi.org/10.1071/ea04018.

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Three strains of Merino wethers (strong, medium and fine wool; n = 30 each; 3 years old) were grazed under 3 different management regimes (10 from each strain) in a semi-arid environment to test the hypothesis that attempting to keep liveweight stable at upper and lower levels would improve staple strength relative to sheep in which no attempt was made to limit liveweight fluctuations, and that strength and wool colour would not differ between strains. Sheep in the low grazing regime were managed in an attempt to keep liveweight stable at a level below that of sheep in the high grazing regime, which were managed in an attempt to keep liveweight stable at a level higher than sheep in the low grazing regime. For the control group, no attempt was made to limit liveweight fluctuations through grazing management. Sheep in the high grazing regime had greater liveweights throughout the experiment than sheep in the low grazing regime, while the liveweight of sheep in the control group was usually intermediate. Staple strength did not differ significantly between the strains, but was greater (P<0.05) for sheep in the high grazing regime (58.3 ± 2.2 N/ktex) than for sheep in the control (39.0 ± 2.3 N/ktex) and low (33.8 ± 2.3 N/ktex) grazing regimes, which did not differ significantly from each other. Wool yellowness was not affected by grazing regime, but was lower (P<0.05) in fine wool sheep (1.0 ± 0.1%) than medium wool sheep (1.4 ± 0.1%), which, in turn, was less (P<0.05) than in strong wool sheep (1.7 ± 0.1%). Staple strength was significantly (P<0.05) correlated with mean liveweight (0.27), mean fibre diameter (0.25), minimum fibre diameter (0.36), coefficient of variation of fibre diameter (–0.50), coefficient of variation of diameter along fibres (–0.48) and between fibres (–0.41). The results indicate staple strength was not adversely affected by the choice of strain in a semi-arid environment, and that nutritional management to limit fibre diameter variability can be an effective strategy to improve staple strength, regardless of strain.

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Vilarino, Marcela, Delia Alba Soto, Yanina Soledad Bogliotti, et al. "Derivation of sheep embryonic stem cells under optimized conditions." Reproduction 160, no. 5 (2020): 761–72. http://dx.doi.org/10.1530/rep-19-0606.

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Until recently, it has been difficult to derive and maintain stable embryonic stem cells lines from livestock species. Sheep ESCs with characteristics similar to those described for rodents and primates have not been produced. We report the derivation of sheep ESCs under a chemically defined culture system containing fibroblast growth factor 2 (FGF2) and a tankyrase/Wnt inhibitor (IWR1). We also show that several culture conditions used for stabilizing naïve and intermediate pluripotency states in humans and mice were unsuitable to maintain ovine pluripotency in vitro. Sheep ESCs display a smooth dome-shaped colony morphology, and maintain an euploid karyotype and stable expression of pluripotency markers after more than 40 passages. We further demonstrate that IWR1 and FGF2 are essential for the maintenance of an undifferentiated state in de novo derived sheep ESCs. The derivation of stable pluripotent cell lines from sheep blastocysts represents a step forward toward understanding pluripotency regulation in livestock species and developing novel biomedical and agricultural applications.

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Tran, Nam D., Christopher D. Porada, Graça Almeida-Porada, Hudson A. Glimp, W. French Anderson та Esmail D. Zanjani. "Induction of stable prenatal tolerance to β-galactosidase by in utero gene transfer into preimmune sheep fetuses". Blood 97, № 11 (2001): 3417–23. http://dx.doi.org/10.1182/blood.v97.11.3417.

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The successful transduction of hematopoietic stem cells and long-term (28 months) transgene expression within the hematopoietic system following the direct injection of high-titer retroviral vectors into preimmune fetal sheep was previously demonstrated. The present studies extended these analyses for 40 months postinjection and evaluated whether the longevity of transgene expression in this model system was the result of induction of prenatal tolerance to the transgene product. The intraperitoneal injection of retroviral vectors into preimmune sheep fetuses transduces thymic epithelial cells thought to present antigen and thus define self during immune system development. To directly demonstrate induction of tolerance, postnatal sheep were boosted with purified β-galactosidase and showed that the peripheral blood lymphocytes from in utero–transduced sheep exhibited significantly lower stimulation indices to transduced autologous cells than did control animals and that the in utero–transduced sheep had a reduced ability to mount an antibody response to the vector-encoded β-galactosidase protein compared with control sheep. Collectively, our results provide evidence that the direct injection of retroviral vectors into preimmune sheep fetuses induces cellular and humoral tolerance to the vector/transgene products and provide an explanation for the duration and stability of transgene expression seen in this model. These results also suggest that even relatively low levels of gene transfer in utero may render the recipient tolerant to the exogenous gene and thus potentially permit the successful postnatal treatment of the recipient.

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Piccione, Giuseppe, Claudia Giannetto, Stefania Casella, and Giovanni Caola. "Circadian Activity Rhythm in Sheep and Goats Housed in Stable Conditions." Folia Biologica 56, no. 3 (2008): 133–37. http://dx.doi.org/10.3409/fb.56_3-4.133-137.

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Martins, M. B., C. Ducatti, C. L. Martins, et al. "Stable isotopes for determining carbon turnover in sheep feces and blood." Livestock Science 149, no. 1-2 (2012): 137–42. http://dx.doi.org/10.1016/j.livsci.2012.07.004.

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Lira, Kariny Cavalcante de, José Carlos Batista Dubeux, Mário de Andrade Lira та ін. "Tracing sheep binary C3–C4 diet using stable isotope ratio (δ13C)". Italian Journal of Animal Science 20, № 1 (2021): 288–94. http://dx.doi.org/10.1080/1828051x.2021.1881413.

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Birhan, Getachew Bitew, Justin Manango W. Munganga, and Adamu Shitu Hassan. "Mathematical Modeling of Echinococcosis in Humans, Dogs, and Sheep." Journal of Applied Mathematics 2020 (November 1, 2020): 1–18. http://dx.doi.org/10.1155/2020/8482696.

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In this paper, a model for the transmission dynamics of cystic echinococcosis in the dog, sheep, and human populations is developed and analyzed. We first model and analyze the predator-prey interaction model in these populations; then, we propose a mathematical model of the transmission dynamics of cystic echinococcosis. We calculate the basic reproduction number R 0 and prove that the disease-free equilibrium is globally asymptotically stable, and hence, the disease dies out if R 0 > 1 . We further show that the endemic equilibrium is globally asymptotically stable, and hence, the disease persists if R 0 < 1 . Numerical simulations are performed to illustrate our analytic results. We give sensitivity analysis of the key parameters and give strategies that are helpful to control the transmission of cystic echinococcosis, from which the most sensitive parameter is the transmission rate of Echinococcus’ eggs from the environment to sheep ( β es ). Thus, the effective controlling strategies are associated with this parameter.

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Kitching, R. P., P. P. Bhat, and D. N. Black. "The characterization of African strains of capripoxvirus." Epidemiology and Infection 102, no. 2 (1989): 335–43. http://dx.doi.org/10.1017/s0950268800030016.

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SUMMARYIsolates of capripoxvirus collected from sub-Saharan Africa were compared in sheep, goats and cattle and by restriction endonuclease digestion of their purified DNA. Biochemical techniques were used to precisely identify strains of capripoxvirus for epidemiological investigations. Strains of capripoxvirus infecting cattle have remained very stable over a 30-year period and are closely related to strains recovered from sheep in Africa.

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De LANGE, M. M. A., B. SCHIMMER, P. VELLEMA, J. L. A. HAUTVAST, P. M. SCHNEEBERGER, and Y. T. H. P. VAN DUIJNHOVEN. "Coxiella burnetii seroprevalence and risk factors in sheep farmers and farm residents in The Netherlands." Epidemiology and Infection 142, no. 6 (2013): 1231–44. http://dx.doi.org/10.1017/s0950268813001726.

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SUMMARYIn this study, Coxiella burnetii seroprevalence was assessed for dairy and non-dairy sheep farm residents in The Netherlands for 2009–2010. Risk factors for seropositivity were identified for non-dairy sheep farm residents. Participants completed farm-based and individual questionnaires. In addition, participants were tested for IgG and IgM C. burnetii antibodies using immunofluorescent assay. Risk factors were identified by univariate, multivariate logistic regression, and multivariate multilevel analyses. In dairy and non-dairy sheep farm residents, seroprevalence was 66·7% and 51·3%, respectively. Significant risk factors were cattle contact, high goat density near the farm, sheep supplied from two provinces, high frequency of refreshing stable bedding, farm started before 1990 and presence of the Blessumer breed. Most risk factors indicate current or past goat and cattle exposure, with limited factors involving sheep. Subtyping human, cattle, goat, and sheep C. burnetii strains might elucidate their role in the infection risk of sheep farm residents.

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Hamzić Gregorčič, Staša, Doris Potočnik, Federica Camin, and Nives Ogrinc. "Milk Authentication: Stable Isotope Composition of Hydrogen and Oxygen in Milks and Their Constituents." Molecules 25, no. 17 (2020): 4000. http://dx.doi.org/10.3390/molecules25174000.

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This paper summarises the isotopic characteristics, i.e., oxygen and hydrogen isotopes, of Slovenian milk and its major constituents: water, casein, and lactose. In parallel, the stable oxygen isotope ratios of cow, sheep, and goat’s milk were compared. Oxygen stable isotope ratios in milk water show seasonal variability and are also 18O enriched in relation to animal drinking water. The δ18Owater values were higher in sheep and goat’s milk when compared to cow milk, reflecting the isotopic composition of drinking water source and the effect of differences in the animal’s thermoregulatory physiologies. The relationship between δ18Omilk and δ18Olactose is an indication that even at lower amounts (>7%) of added water to milk can be determined. This procedure once validated on an international scale could become a reference method for the determination of milk adulteration with water.

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Dissertationen zum Thema "Sheep stable"

Beyer, Ashley Chantel. "Habitat comparisons of historically stable and less stable bighorn sheep populations." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/beyer/BeyerA1208.pdf.

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Limited research has examined how habitat differences between stable and less stable bighorn populations may influence their success. Understanding these habitat differences may help explain how habitat contributes to bighorn sheep population stability. The objective of the study was to identify potential limiting habitat factors for the Tendoy Mountains bighorn sheep (Ovis canadensis) population in western Montana. Habitat variables that were evaluated are unlikely to be influenced by fine-scale weather or disturbance patterns. Land cover, slope, aspect, elevation, landscape ruggedness, solar radiation index (SRI), and distance to escape terrain were measured using GIS. Shrub canopy cover, graminoid and forb frequency, and horizontal visibility were measured in the field. Logistic regression was used to identify habitat differences between the stable and less stable sheep populations in summer and winter. Odds ratios from the logistic regressions were used to identify potential limiting habitat variables for the less stable population. Results from this study indicate that landscape ruggedness (P <0.01) and aspect (P <0.01) in summer ranges, and landscape ruggedness (P =0.01), aspect (P <0.01), and SRI (P <0.01) in winter ranges were the habitat characteristics most likely influencing population stability. Landscape ruggedness and SRI are relatively new habitat metrics that require more research to determine threshold values for bighorn sheep habitat. Results from this study provide initial insights into potential threshold values for landscape ruggedness and SRI for Rocky Mountain bighorns.

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Whitaker, Joshua M. "Diet Reconstruction of Bighorn Sheep (Ovis canadensis) Using Stable Isotopes." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2328.

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We determined the diet contributions of grasses, forbs and shrubs for three herds of bighorn sheep along the Wasatch Front, Utah using stable isotope techniques and determined the electivity values for different forage species for four herds. Forbs were generally the most common forage eaten across all herds while shrubs were the least used forage resource. The Provo Peak and Mount Nebo herds used grasses, forbs and shrubs at proportions similar to other bighorn sheep populations across the west, while the Antelope Island herd used forbs at higher levels than any other local herd. Additionally, the herd on Antelope Island was analyzed to compare differential use by rams and ewes. Our results indicate that there was no significant difference in diet between sexes on Antelope Island. Bluebunch wheatgrass (Pseudoroegneria spicata) was a common species across all sites and was an important forage for all populations. Managers may consider these proportions when seeding in bighorn habitat improvement projects.

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Irie, Yumi. "Synthesis and Characterization of Quasi-Stable Toxic Oligomer Models of Amyloid β". Kyoto University, 2020. http://hdl.handle.net/2433/253341.

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渡辺, 勝彦, Katsuhiko Watanabe, 秀幸畔上, Hideyuki Azegami, 八州男平野 та Yasuo Hirano. "き裂エネルギ密度による安定成長き裂の破壊抵抗評価 (第3報, 薄板延性き裂破壊抵抗の板厚効果)". 日本機械学会, 1986. http://hdl.handle.net/2237/7257.

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Dudoignon, Patrick. "Les altérations hydrothermales des roches volcaniques de l'atoll de Mururoa (Polynésie française)." Poitiers, 1988. http://www.theses.fr/1988POIT2007.

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Les alterations hydrothermales qui affectent les roches du soubassement volcanique de l'atoll de mururoa se situent a 3 niveaux: les alterations a saponite mg dans les coulees sous-marines et aeriennes, les alterations localisees dans les zones d'alimentation. Ces dernieres sont classees en 4 groupes suivant la temperature et la paragenese des mineraux d'alteration

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Merceron, Thierry. "Les altérations hydrothermales de la coupole granitique d'échassières et de son environnement (sondage gpf echa n1)." Poitiers, 1988. http://www.theses.fr/1988POIT2330.

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Reconstitution chronologique de l'alteration hydrothermale du granite de beauvoir, apex granitique d'echassieres (massif central), a partir des donnees petrographiques, mineralogiques, et datations k-ar. L'etude des isotopes stables oxygene-hydrogene et des inclusions fluides a permis d'etablir un modele thermodynamique sur le refroidissement du magma granitique. Dans les micashistes ces phenomenes hydrothermaux se superposent aux alterations associees au stockwerk a wolframite de l'hypothetique granite de la bosse

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Winder, Brian Geoffrey. "Achieving Complex Motion with Fundamental Components for Lamina Emergent Mechanisms." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2279.pdf.

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Mainland, Ingrid L., Jacqueline R. Towers, Vicki J. Ewens, et al. "Toiling with teeth: An integrated dental analysis of sheep and cattle dentition in Iron Age and Viking–Late Norse Orkney." 2015. http://hdl.handle.net/10454/13623.

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Yes A key goal for archaeozoology is to define and characterise pastoral farming strategies. In the last decade, some of the most innovative approaches for addressing these questions have centered on the mammalian dentition, including inter alia sequential sampling of stable isotopes, dental microwear analysis and the study of dental pathologies. It is when these techniques are integrated and combined with more traditional approaches, such as tooth eruption and wear, however, that their full potential is realised. In this article we demonstrate how such an integrated dental analysis combining isotopes, microwear, dental development, dental pathologies, tooth eruption and wear can be used to elucidate changing pastoral practices and their impacts on the landscape from the Iron Age and Viking-Late Norse periods in the North Atlantic islands, a period of significant socio-economic and cultural change in this region. Analysis focuses on two case study sites, Mine Howe, dating to the Atlantic Middle Iron Age (MIA) and the Earls’ Bu, one of the residences of the Orkney Earl’s from the 10th to 13/14th centuries AD. Each of the techniques applied to the sheep/goat and cattle dentition identifies clear differences between the two sites, in diet, in culling season, herd health and stress levels, all of which point to potential differences in underlying husbandry practices. These are related to wider socio-economic developments in Orkney at these periods, specifically increasing control of pastoral resources and economic production by North Atlantic elites in the MIA and the emergence of manorial estates in Late Norse/Early Medieval Scandinavia. AHRC PhD studentships; British Academy Mid-Career Fellowship (2014-5)

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Tonn, George Roger. "Application of stable isotope labeled diphenhydramine to study the pharmacokinetics and metabolism of diphenhydramine in pregnant, non-pregnant, and fetal sheep." Thesis, 1995. http://hdl.handle.net/2429/8809.

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Diphenhydramine (DPHM), an antihistamine, has been used in pregnant women; however, information regarding its disposition in human pregnancy is lacking. Recently, detailed pharmacokinetic studies in pregnant sheep have demonstrated that DPHM readily crosses the ovine placenta, and is eliminated from the fetus by placental and non-placental pathways. The purpose of this study is to investigate the components of the fetal non-placental elimination (i.e., fetal renal and hepatic), and to compare these to the estimates obtained from adult sheep. Since stable isotope techniques were to be employed, synthesis of stable isotope labeled DPHM (i.e., [²H10]DPH0M) and its major metabolite diphenylmethoxyacetic acid (i.e., [²H10]DPM0A) was required. Next, gas chromatographic - mass spectrometric methods were developed to simultaneously measure either DPHM and [²H10]DPH0M, or DPMA and [²H10]DPM0A. The current study demonstrates that the measured fetal renal clearance of DPHM contributes only ~2% to the observed fetal non-placental clearance. Overall, the total non-placental clearance of DPHM measured by direct methods (i.e., pulmonary [Yoo, 1989] and renal) can account for ~10% of the non-placental clearance. Unlike adult sheep, where hepatic extraction of DPHM was ~93%, no significant extraction of DPHM by the fetal liver following umbilical venous administration was observed. Therefore, fetal hepatic elimination is not likely to account for the remainder of the fetal non-placental clearance. However, fetal hepatic in vitro metabolism of DPHM (to form N-demethyl DPHM and DPMA) suggests that the fetal liver is capable of DPHM biotransformation. Thus, the liver and possibly other organs may contribute at least a portion of the fetal non-placental clearance via DPHM biotransformation. It appears that only a small fraction of the fetal non-placental clearance of DPHM can be accounted for by fetal renal and pulmonary clearances. While the low renal clearance of intact DPHM is similar both in fetus and mother, large differences in the hepatic uptake and/or metabolism of DPHM were observed between mother and fetus. This suggests that the pathways for the non-placental elimination of DPHM differ in mother and fetus. Despite the advances made in this study, the components of the fetal non-placental clearance remains largely unknown, and requires further study.

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Campbell, Angus. "The effect of time of shearing on wool production and management of a spring-lambing merino flock." 2006. http://repository.unimelb.edu.au/10187/2015.

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Choice of shearing time is one of the major management decisions for a wool-producing Merino flock and affects many aspects of wool production and sheep health. Previous studies have investigated the effect of shearing on only a few of these factors at a time, so that there is little objective information at the flock level for making rational decisions on shearing time. This is particularly the case for flocks that lamb in spring, the preferred time in south-eastern Australia. A trial was conducted in a self-replacing, fine wool Merino flock in western Victoria, from January 1999 to May 2004, comparing ewes shorn annually in December, March or May. Within each of these shearing times, progeny were shorn in one of two different patterns, aligning them with their adult shearing group by 15–27 months of age. Time of shearing did not consistently improve the staple strength of wool. December-shorn ewes produced significantly lighter and finer fleeces (average 19.1 μm, 3.0 kg clean weight), whereas fleeces from March-shorn ewes were heavier and coarser (19.4 μm, 3.1 kg). Fleeces from ewes shorn in May were of similar weight to fleeces from March-shorn ewes (3.1 kg), but they were of significantly broader diameter (19.7 μm). In young sheep, beneficial changes in some wool characteristics for each shearing group were offset by undesirable changes in others. Shearing ewes in March or May, and weaners in March, May or June, significantly increased the risk of post-shearing mortality about three- and four-fold, respectively, compared to unshorn sheep. Substantial, highly significant associations in young sheep between post-weaning mortality, bodyweight and growth rate were also quantified using various survival analysis techniques. For example, the lightest 20% of weaners at weaning contributed 31% of all deaths in the year following weaning, and increasing average growth rate over summer and autumn from 250 to 500 g/month reduced the risk of death by 74%. These results could be used to develop supplementary feeding systems that efficiently reduce weaner mortality, which is a significant animal welfare issue in many Australian Merino flocks. Mortality effects were incorporated into estimates of the total value of wool produced by the different shearing times between birth and culling at 6¼ years of age. Using median historical (1991–2006) wool prices, shearing ewes in March and their progeny first in June, or October (weaner)-December (ewe) shearing produced the greatest total value of wool ($111/head). March (weaners)-March (ewes) shearing had a wool value of $107/head and December (weaners)-December (adults) shearing $103/head. May-shorn ewes produced the smallest value of wool, irrespective of whether their progeny were first shorn in May or July ($93–96/head). No shearing time consistently improved all animal health measures. May-shorn ewes had significantly more fleece rot in late autumn than the other shearing groups (odds ratio 2.5) and were up to 0.4 condition score lighter during winter, although they had a lower cost of dag (average $0.64/head) and significantly less breech strike risk in spring, compared to December-shorn ewes (odds ratio 0.18). December-shorn ewes had the greatest cost of dag ($1.50/head). March-shorn ewes had an intermediate cost of dag ($1.03/head) but significantly less breech strike than May-shorn ewes (odds ratio 0.38).Overall, December and March shearing were shown to be appropriate alternatives for a self-replacing Merino flock in south-eastern Australia, whereas May was an undesirable shearing time.

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Bücher zum Thema "Sheep stable"

Koning, A. V. de. Finite element analyses of stable crack growth in thin sheet material. National Aerospace Laboratory, 1985.

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Forrer, Jann. The structure and turbulence characteristics of the stable boundary layer over the Greenland ice sheet. Geographisches Institut ETH, 1999.

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Munchie's Best Day ... EVER!!: A Mouse-stonishing Christmas Tale. First Choice Books, 2010.

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C, Newman J., and Langley Research Center, eds. Analyses of buckling and stable tearing in thin-sheet materials. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Analyses of buckling and stable tearing in thin-sheet materials. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Stable tearing behavior of a thin-sheet material with multiple cracks. National Aeronautics and Space Administration, Langley Research Center, 1994.

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Simon, Gleeson. Part V Liquidity and Leverage, 22 Liquidity Coverage Ratio and Net Stable Funding Ratio. Oxford University Press, 2018. http://dx.doi.org/10.1093/law/9780198793410.003.0022.

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This chapter discusses the Liquidity Coverage Ratio (LCR) and Net Stable Funding Ratio (NSFR). The LCR is designed to make sure that the bank has sufficient liquidity to survive short-term shocks; the NSFR is designed to make sure that the bank's balance sheet is not too excessively mismatched between long- and short-term funding. In essence, LCR is a requirement that the bank has sufficient liquid assets to get through a 30-day period of high stress, whilst NSFR is a requirement that the bank's long-term assets be substantially funded by long-term liabilities. Both of these tests require some heroic assumptions about access to funding, likely roll-off of liabilities, and so on.

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C, Newman J., Bigelow C. A, and Langley Research Center, eds. Three-dimensional CTOA and constraint effects during stable tearing in a thin-sheet material. National Aeronautics and Space Administration, Langley Research Center, 1995.

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Three-dimensional CTOA and constraint effects during stable tearing in a thin-sheet material. National Aeronautics and Space Administration, Langley Research Center, 1995.

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Buchteile zum Thema "Sheep stable"

Keevallik, Leelo. "Chapter 3. The temporal organization of conversation while mucking out a sheep stable." In Time in Embodied Interaction. John Benjamins Publishing Company, 2018. http://dx.doi.org/10.1075/pbns.293.03kee.

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Leksell, L. G., and C. J. Wallin. "The Anti-Antidiuretic Effect of a Stable Prostaglandin-E2 Analog in Conscious Sheep and Man." In Diuretics: Basic, Pharmacological, and Clinical Aspects. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-2067-8_50.

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Hadoush, A., A. H. van den Boogaard, and J. Huétink. "Stable Incremental Deformation of a Strip to High Strain." In Sheet Metal 2007. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.615.

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Akramov, Saidmurod, In Soo Kim, Min Gu Lee, and Byung Hyun Park. "Sheet Formability of AA 1050 Al Alloy Sheet by Equal Channel Angular Pressing of Route C Type." In Solid State Phenomena. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-26-4.324.

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Benmarouane, A., T. Hansen, Pierre Millet, and Alain Lodini. "Texture Measurements of Hydroxyapatite Crystallites at Bone-Implant Interfaces in Sheep Tibia." In Solid State Phenomena. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-09-4.427.

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Jo, Keon Hyeon, Seok Whan Moon, Young Du Kim, et al. "Comparison of a PGA Sheet with a Commercial ePTFE Sheet as a Staple-Line Reinforcement in Lung Surgery." In Advanced Biomaterials VII. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.849.

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Pyke, Ronald. "The reassembling of shattered Brownian sheet." In State of the art in probability and statistics. Institute of Mathematical Statistics, 2001. http://dx.doi.org/10.1214/lnms/1215090086.

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Zhang, Zheng Rong, and Kazuyoshi Sekine. "A Sharp Cube Texture in Warm Rolled and Subsequently Annealed Silver Sheet." In Solid State Phenomena. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-09-4.245.

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Lu, Jinggang, George A. Rozgonyi, James Rand, and Ralf Jonczyk. "EBIC Study of Electrical Activity of Stacking Faults in Multicrystalline Sheet Silicon." In Solid State Phenomena. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/3-908451-13-2.627.

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Suk, Han Gil, E. J. Shin, and Moo Young Huh. "Development of Abnormal Grain Growth in Cold Rolled and Recrystallized AA 5182 Sheet." In Solid State Phenomena. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-26-4.316.

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Konferenzberichte zum Thema "Sheep stable"

Aydar, S., S. Alataş, L. Numanoğlu, and A. Sönmezdağ. "EFFECT OF ORAL ANTICOAGULANTS ON STABLE ROSETTE FORMATION." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643271.

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Human peripheral blood T lymphacytes when cultered in the presence of mitogen Phytohemogglutinin (PHA) acquire the capacity to form E rosettes with sheep erythrocytes that are resistant to incubation at 37° C. Whereas human thymus lymphocytes form 37° C stable E rosettes. On the other hand, it is shown that the use of anticoagulants can prevent cancer metastases which brings forth the importance of explaining the relationship between the lymphocyte functions and anticoagulant action mecha-nismus. In order to investigate this relationship, we did a group af experiments with lymphocytes of normal children and of children with severe burn wounds. Peripheral blood lymphocytes were seperated by “Lymphoprep” centrifugation technique. The lymphocytes of normal children and patients with burn were divided in two groups: A-Activated lymphocytes: 1×106 /ml lymphocytes were cultured and activated by PHAfor 48 hours at 37° C in RPMI 1640. B-Non activated lymphocytes were in culture witout PHA. 1×10™6 M/ml warfarin sulfate was added to some of the cultures of each group prior to the culture conditions. At the end of the 48 hour incubation, heat stable rosette formation was determined by the method of Wauve and co-workers. Significantly elevated levels of heat stable rosette forming cells were found in the PHA activated culture treated with warfarin sulfate in normals and patients with burn. Although the blastic transformation of T lymphocytes was found to be depressed, heat stable rosette formation of warfarin sulfate treated lymphocytes abtained from burn patients was observed to be significantly elevated. It is concluded that warfarin sulfate increases the activity of T lymphocytes by interfering with the resynthesis of heai stable E receptors.

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Walsh, Peter W., Craig S. McLachlan, Leigh Ladd, et al. "Echocardiography Evaluation of a Novel Stable Ovine Heart Failure Model Suitable for Cardiovascular Device Testing." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53824.

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Numerous large animal models of chronic cardiac ischemia have been developed to explore either pathological mechanisms and or device interventions in developed heart failure models. Traditionally chronic heart failure in large animal models such as sheep or pigs has been induced by either coronary ligation with or without reperfusion. Coronary ligation is often attempted in the open chest surgical model or more recently in the closed chest animal via angiography [1]. Both techniques can be challenging and also induce high mortality with the risk of myocardial stunning and resultant shock and or lethal arrhythmias. There is also difficulty in developing stable heart failure across cases where infarct sizes can be variable. One strategy to over come this variability has been via rapid ventricular pacing, however inducing heart failure does not induce sustained heart failure in many cases if the pacing is switched off, and additionally pacing does not induce some of the underlying pathology seen in the development of heart failure [1].

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Petrovic, Milun, Snezana Bogosavljevic-Boškovic, Simeon Rakonjac, et al. "SISTEMI GAJENJA I PROIZVODNJE U ORGANSKOM OVČARSTVU I KOZARSTVU." In SAVETOVANJE o biotehnologiji sa međunarodnim učešćem. University of Kragujevac, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.205p.

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Lamb production dominates in organic sheep production, while milk production is much less present and very rare. There are usually two basic systems of breeding in lamb production: fattening of lambs on pasture and combined fattening of lambs. In organic goat breeding, the most common is the organic production of milk and dairy products, primarily quality goat cheeses. The cultivation system is usually a combination of grazing (summer half of the year) and stable cultivation (winter half of the year). Such agriculture provides amortization of the negative effects of social development on the ecosphere and the human population as a whole.

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Gallocher, Siobhain L., Amit Datye, Kuang-Hsi Wu, Leonard Pinchuk, and Richard T. Schoephoerster. "Effect of Leaflet Anisotropy, Coaptation Curvature, and Stent Flexibility on the Stress Concentrations and In Vitro Function of Polymer Trileaflet Heart Valves." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192860.

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Polymer trileaflet valves have been under investigation for the past 40–50 years in an attempt to produce a valve alternative that is both durable and non-thrombogenic. Most have met with limited success due to oxidative reactions and high dynamic stresses borne by the material [1]. With this knowledge, an oxidatively stable polyolefin, poly(styrene-b-isobutylene-b-styrene) (SIBS), was selected for the design of a fiber-reinforced polymer trileaflet heart valve. The hydrodynamic properties of prototype SIBS valves have been encouraging, but some valves failed prematurely as a result of insufficient durability during in vivo implantation in a sheep model or during accelerated in vitro fatigue.

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Di Giacomo, Francesco, Ronn Andriessen, Ilker Dogan, et al. "Towards Stable Perovskite Solar Modules Made by Sheet to Sheet and Roll to Roll Fabrication." In 11th International Conference on Hybrid and Organic Photovoltaics. Fundació Scito, 2019. http://dx.doi.org/10.29363/nanoge.hopv.2019.068.

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Amanatiadis, S. A., T. T. Zygiridis, and N. V. Kantartzis. "Graphene sheet modeling with an efficient unconditionally-stable hybrid approach." In 2017 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO). IEEE, 2017. http://dx.doi.org/10.1109/nemo.2017.7964228.

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Chappuis, L. B., X. M. Chen, S. C. Tang, and J. H. Wu. "A Numerically Stable Computer Model for Sheet Metal Forming Analysis by 2D Membrane Theory." In International Congress & Exposition. SAE International, 1993. http://dx.doi.org/10.4271/930518.

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Begembekov, K. N., A. A. Torekhanov, K. Z. Amanbaev, E. S. Akhanov, and E. B. Ospanov. "ECONOMIC EFFICIENCY OF BREEDING OF AKTOHAYSKY SHEEP IN SCAN FODDING CONDITIONS OF DESERT ZONES OF CENTRAL KAZAKHSTAN." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS Volume 2. DSTU-Print, 2020. http://dx.doi.org/10.23947/interagro.2020.2.516-520.

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The article presents the results of a study on the cost-effectiveness of breeding of Kazakh fat tail sheep, Edilbaev and Aktogay semi-coarse sheep in harsh climatic conditions, poor feed conditions with year-round grazing in the desert zone of Central Kazakhstan. It has been established that in this zone, the most profitable, both from the point of view of obtaining the highest, higher quality products, and economic efficiency, is the breeding of Aktogai populations of semi-coarse fat tail sheep.

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Anderson, J., M. A. Basten, L. Rauth, J. H. Booske, J. Joe, and J. E. Scharer. "Stable transport and side-focusing of sheet electron beams in periodically cusped magnetic field configurations." In International Conference on Plasma Science (papers in summary form only received). IEEE, 1995. http://dx.doi.org/10.1109/plasma.1995.532817.

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Panda, Purna C., Vishnu Srivastava, and Anil Vohra. "Stable transport of intense elliptical sheet electron beam through elliptical tunnel under uniform magnetic field." In 2011 IEEE International Vacuum Electronics Conference (IVEC). IEEE, 2011. http://dx.doi.org/10.1109/ivec.2011.5746994.

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Berichte der Organisationen zum Thema "Sheep stable"

Morrical, Joel. 2003 Review—Iowa State University Sheep Teaching Farm, South State Avenue, Ames, IA. Iowa State University, 2004. http://dx.doi.org/10.31274/ans_air-180814-164.

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Kiesling, Daniel. 2009 Review—ISU Sheep Teaching Farm, South State Avenue, Ames, Iowa. Iowa State University, 2010. http://dx.doi.org/10.31274/ans_air-180814-41.

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Kiesling, Daniel. 2007 Review—ISU Sheep Teaching Farm, South State Avenue, Ames, Iowa. Iowa State University, 2008. http://dx.doi.org/10.31274/ans_air-180814-131.

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Smalley, Scott. 2006 Review—ISU Sheep Teaching Farm, South State Avenue, Ames, Iowa. Iowa State University, 2007. http://dx.doi.org/10.31274/ans_air-180814-647.

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Scoffield, Don. Steady State Load Characterization Fact Sheet: 2012 Chevy Volt. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1177241.

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Upadhyay, Piyush, Hrishikesh Das, Jian Chen, et al. Solid-State Joining of Magnesium Sheet to High-Strength Steel. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1772623.

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Author, Not Given. EPAct State & Alternative Fuel Provider Fleet Compliance Resources (Fact Sheet). Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/979827.

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Baca, Aurelia, Joel Larsen, Emrys Treasure, Michael Gavazzi, and Nathan Walker. Drought Impacts in the Southern Region: A synopsis of presentations and ideas from the Drought Adaptation Workshop in Region 8, January 2017, Atlanta, GA. United States. Department of Agriculture, 2018. http://dx.doi.org/10.32747/2018.7280913.ch.

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The USDA Forest Service hosted a two-day drought adaptation workshop in Atlanta, Georgia in January 2017 to share state-of-science information on drought and climate effects in the region and to develop management response strategies. The workshop was attended by regional experts from the Forest Service Southern Region, Southern Research Station, and Office of Sustainability and Climate; the USDA Southeast Regional Climate Hub; and state and federal climate offices. They met to address challenges, cultivate opportunities, and develop and expand the collective understanding of the most effective management strategies to adapt to and mitigate the effects of drought in the region. The workshop focused on the effects of, and management responses to drought in forest, riparian, and aquatic ecosystems. This fact sheet is a synopsis of the workshop.

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Li, Yaning, Thomasz Wierzbicki, Michael A. Sutton, Junhui Yan, and Xiaomin Deng. Mixed Mode Stable Tearing of Thin Sheet Al 6061-T6 Specimens: Experimental Measurements and Finite Element Simulations using a Modified Mohr-Coulomb Fracture Criterion. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada531956.

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Brown, Willie, and Jonathan Alt. Investigating the USACE Operational Condition Assessment process current and future. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/39999.

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The US Army Corps of Engineers operates, maintains, and manages more than $232 billion worth of the Nation’s water resource infrastructure and relies on the Operational Condition Assessment (OCA) process to determine the condition of the assets and their components. The sheer number of components, all of equal OCA scheduling priority, creates challenges in ensuring that assessments are conducted in a timely manner and that data generated are of sufficient quality to inform resource allocation decisions. This research applied methods from systems design to determine the OCA system “as-is” state and create a stakeholder-informed vision of a “to-be” state that addresses current system challenges. To meet its objective of providing current assessments of asset condition, the OCA system must provide four high-level functions: provide access to asset data, conduct assessments, determine asset risk, and prioritize and schedule assessments. The development of capabilities to provide these functions will facilitate the achievement of the OCA system to-be vision: a consistent view of asset condition and risk across the enterprise.

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