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Registros recuperados: 62
Primeira ... 1234 ... Última
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Changes in Morphological Characteristics During the Period 2005 ­ 2014 in a Sample of Serbian 7 - Year-Old Children International Journal of Morphology
Pavlica,Tatjana; Rakic,Rada; Sironjic,Tijana.
Morphological characteristics of children commonly imply the processes of growth and development. Information on children's growth in height and their body weight is often used as the indicator of the children's health and nutritional status. As the parameters are changeable both temporally and spatially, it is important to provide their continual assessment. The aim of the study is to investigate the changes in morphological characteristics in a sample of Serbian 7-year-old children in the period 2005 ­ 2014. The data was gathered from medical documentation recorded in the period 2005-2014 in the local health-care centre "Dr Dusan Savic­ Doda" in Beocin, which is situated in the central part of the province Vojvodina, the north-west part of Serbia. Most...
Tipo: Journal article Palavras-chave: Height; Weight; BMI; Secular trend; Serbia.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000200049
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Histomorphology of Liver, Testicle and Body Fat in Farm Rabbits Fed with an Obesogenic Diet During the Peripuberal Period International Journal of Morphology
Mejía Huerta,Nancy Guadalupe; Córdova Izquierdo,Alejandro; Aragón Hernández,Jesús; Flores Pérez,Fernando Iván; Pérez-Martínez,Mario.
Two groups were formed in order to evaluate the effect of an obesogenic diet on body and liver weight, body fat accumulation and the histometric characteristics of liver and testicles of New Zealand rabbits during the peripuberal period. One group received a standard farm diet and the other received a standard farm diet with canola oil added. During the study, weight of both groups was recorded. At the end of the study, the rabbits were euthanized and liver, testicles, and visceral, scapular and scrotal fat were weighed. Tissue samples were obtained from liver and testicles to carry out histometric analysis. Body weight, body mass index, liver and visceral fat weight were significantly different (P<0.01) in the obesogenic diet when compared to the...
Tipo: Journal article Palavras-chave: Histometry; Rabbits; Liver; Testicle; Weight; Peripuberal period.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000400030
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Morphometric Indices in Santa Ines Sheep International Journal of Morphology
da Costa,Ricardo Lopes Dias; Quirino,Celia Raquel; Afonso,Vivian Alves Costa; Pacheco,Aline; Beltrame,Renato Travassos; Madella-Oliveira,Aparecida de Fátima; Costa,Aline Mineiro; da Silva,Roberto Machado Carneiro.
The aim of this study was to evaluate the effect of period of the year, year of the birth, sex and age on morphometric indices, such as body capacity, body indices, body side indice, anamorphosis indice, compactness indice and body proportionality indice. The correlation between these characteristics was calculated. Santa Ines sheep offspring from the birth to 12 months-old, at the Estado do Rio de Janeiro were used. Measurements were obtained from animals under an extensive scheme within three years of study totaling 2,601 observations. In this work, the year of birth, sex, animal age and triple interaction between these effects have influenced (P<0.05) morphometric indices. According to body and compactness indices averages also was verified that the...
Tipo: Journal article Palavras-chave: Correlation; Morphometry; Sheep; Weight.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000400039
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Growth of Critically Endangered annual fish Austrolebias wolterstorffi (Cyprinodontiformes: Rivulidae) at different temperatures Neotropical Ichthyology
Fonseca,Alinca Peres da; Volcan,Matheus Vieira; Sampaio,Luís André; Romano,Luís Alberto; Robaldo,Ricardo Berteaux.
Given the importance of knowledge of the biology of endangered species for the planning of conservation and management efforts, the aim of this study was to investigate the influence of temperature on the growth of Austrolebias wolterstorffi (Ahl, 1924). To clarify the thermal influence on the growth of the species, temperatures of 16, 20, 24 , and 28°C were tested in triplicate. The present study showed that a water temperature of 28°C is detrimental to the growth of the species. Among the other tested temperatures, it was found that the optimum temperature for growth decreases as an individual ages and is slightly lower for females. It was demonstrated here that males reach a higher weight and length, and grow faster than females, reaching sexual...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Endangered species; Length; Maturity; Weight.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000400837
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Estimation of Genetic Parameters for Weight, Reproduction, and Wool Traits of Suffolk Sheep OAK
中川, 智史; 鈴木, 三義; 山内, 和律; 山田, 渥.
滝川畜産試験場で1980年から1996年に集積された記録を用いて,サフォーク種の体重形質,繁殖形質,羊毛形質の遺伝的パラメータをREMLにより推定した.体重形質の直接遺伝率は日齢にともない増加し(0.15→0.31),母性遺伝率は日齢にともない減少した(0.24→0.09).直接遺伝効果と母性遺伝効果間の相関は日齢にともない正から負へと変化した(0.21→−0.42).繁殖形質の直接遺伝率はいずれも低い値であり(0.03〜0.18),羊毛形質はいずれも高い値であった(0.36〜0.60).直接遺伝効果間の相関は,体重形質間(0.29〜0.92)と繁殖形質間(0.19〜0.88)で正の値,体重形質と繁殖形質間(−0.01〜0.57)ではほとんどが正の値であった.羊毛形質と体重形質および繁殖形質の間では幅広い範囲の値をとった(−0.28〜0.51).
Palavras-chave: Genetic parameter; Weight; Reproduction; Wool; Suffolk.
Ano: 2005 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2601
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Estimación del crecimiento y mortalidad del chivo cabezón Ariopsis bonillai (Miles, 1945) (Pisces: Siluriformes: Ariidae), en la Ciénaga Grande de Santa Marta, Colombia OceanDocs
Galvis-Cortés, O.D..
A partir de septiembre de 1981 y durante 14 meses consecutivos de muestreo en la Ciénaga Grande de Santa Marta, se capturaron 3477 ejemplares de chivo cabezón Ariopsis bonillai (Miles, 1945). Con base en estas capturas, se estimó la relación tallapeso para hembras y machos en forma separada y en conjunto. Se obtuvieron las curvas de crecimiento según von Bertalanffy en talla y peso para ambos sexos y también los valores preliminares de las tasas de mortalidad natural (M), total (Z) y por pesca (F) Se analiza la variación de estos resultados entre sexos como una función causaefecto, originada por el fenómeno de la incubación oral característico en la especie.
Tipo: Journal Contribution Palavras-chave: Fish; Fishing; Growth curves; Size; Weight; Fish; Fishing; Size; Weight; Http://aims.fao.org/aos/agrovoc/c_15903; Http://aims.fao.org/aos/agrovoc/c_26950; Http://aims.fao.org/aos/agrovoc/c_7093; Http://aims.fao.org/aos/agrovoc/c_8349.
Ano: 1984 URL: http://hdl.handle.net/1834/4033
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Índice de refracción de la hemolinfa Vs tasa peso total/largo total en la estimación de la condición nutricional de langostas Panulirus Argus OceanDocs
Lopeztegui, A.; Suárez, G.; Capetillo, N.; Alzugaray, R..
Las diferentes metodologías descritas para la estimaciónde la condición nutricional en langostas,presentan particularidades que constituyen ventajas o desventajas según las circunstancias en que se apliquen.El objetivo de estetrabajofueestimarlacondiciónnutricionaldelangostas Panulirusargus mediantedosmetodologías,elíndicederefraccióndelahemolinfa(IRH)ylatasa pesototal(PT)/largototal(LT)=K,ydeterminarlafactibilidaddeemplearunau otramediantelacomparacióndelosresultados.SetrabajóenlaregióndelGolfo deBatabanó,Cuba,conlangostasprovenientesdeseiszonasdepesca.Se determinópesototal,largototal,sexoyelestadíodemudadecadaejemplar.Se encontróqueelIRHpresentadiferenciassignificativasentrelosestadíosdemuda,...
Tipo: Journal Contribution Palavras-chave: Nutritional requirements; Lobster culture; Weight; Length.
Ano: 2012 URL: http://hdl.handle.net/1834/5372
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Relación largo propodo-peso de quela de cangrejo moro Menippe mercenaria como un indicador para calcular la talla mínima de quela OceanDocs
Consuelo Siam Lahera.
Se hace un análisis de la situación actual del recurso cangrejo moro cuya explotación se basa en el aprovechamiento de las dos quelas y la devolución del ejemplar al mar. Para su comercialización, la industria trabaja con pesos de muelas distribuidos en tres grupos de calidad (40/70 g, 70/125 g y > 125 g). Internacionalmente está establecida una talla mínima legal de 7 cm de largo de propodo para la quela, pero en Cuba no está legislada, es por eso que se calculó la relación largo propodo-peso de quela (404 muestras), con el objetivo de establecer un indicador que relacione ambos parámetros, tomando como base dicha talla. Según esta relación, para una talla de 7 cm de largo de propodo, corresponde un peso de 53,45 g, encontrándose que del total de...
Tipo: Journal Contribution Palavras-chave: Weight; Handling.
Ano: 2011 URL: http://hdl.handle.net/1834/4619
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Relación largo propodo-peso de quela de cangrejo moro Menippe mercenaria como un indicador para calcular la talla mínima de quela OceanDocs
Siam Lahera, C..
Se hace un análisis de la situación actual del recurso cangrejo moro cuya explotación se basa en el aprovechamiento de las dos quelas y la devolución del ejemplar al mar. Para su comercialización, la industria trabaja con pesos de muelas distribuidos en tres grupos de calidad (40/70 g, 70/125 g y > 125 g). Internacionalmente está establecida una talla mínima legal de 7 cm de largo de propodo para la quela, pero en Cuba no está legislada, es por eso que se calculó la relación largo propodo-peso de quela (404 muestras), con el objetivo de establecer un indicador que relacione ambos parámetros, tomando como base dicha talla. Según esta relación, para una talla de 7 cm de largo de propodo, corresponde un peso de 53,45 g, encontrándose que del total de...
Tipo: Journal Contribution Palavras-chave: Weight.
Ano: 2011 URL: http://hdl.handle.net/1834/4147
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Pérdidas ocasionadas por insectos en cacao almacenado OceanDocs
Fraga, R.; Carrillo, M.; Pedroso, H..
Se evaluaron las pérdidas que Lasioderma serricorne (F.) y Araecerus fasciculatus (De G.), ocasionaron en el cacao almacenado durante tres meses bajo condiciones controladas de temperatura (28 ± 2 ºC) y humedad relativa (73 %). Se determinó el consumo de materia seca de cada estadio biológico activo y la pérdida de peso, los granos dañados y la producción de polvo, ocasionada por cada especie durante su desarrollo. Los estadios larval y adulto de L. sericorne fueron los que mayor cantidad de cacao ingirieron, alcanzando valores de 6,76 y 0,81 mg, respectivamente. A los 90 días de almacenamiento, la especie L. serricorne ocasionó 20,3 % de pérdida en peso, 31,5 % de granos dañados y 14,8 % de producción de polvo.
Tipo: Journal Contribution Palavras-chave: Weight; Storage; Temperature; Cocoa beans; Weight losses; Spoilage; Humidity; Pests.
Ano: 2008 URL: http://hdl.handle.net/1834/5011
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Etude préliminaire de l'âge et de la croissance de l'espadon <Xiphias gladius> des eaux tunisiennes. OceanDocs
Hattour, A.; Gaamour, A.; Ben Smida, M.A..
Une clé préliminaire âge taille et âge poids est présentée à partir d’un échantillonnage mené sur 212 espadon (Xiphias gladius L.) pêchés le long des côtes tunisiennes entre mars et septembre 2004. les tailles des poissons sont rangées de 60 cm à 173 cm, correspondant à des poids variant de 1,5 kg à 55 kg. L’analyse des coupes de la 2ème épine de la nageoire anale des espadons échantillonnés ont révélé que les âges sont rangés entre 0 et 5 années.
Tipo: Journal Contribution Palavras-chave: Tuna fisheries; Age; Composition; Weight; Growth; Cosmopolite species; Population structure; Size distribution; Growth; Population structure; Age; Weight; Http://aims.fao.org/aos/agrovoc/c_3394; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_186; Http://aims.fao.org/aos/agrovoc/c_8349.
Ano: 2005 URL: http://hdl.handle.net/1834/1535
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Factores de conversión del caracol reina Strombus gigas en Cuba OceanDocs
Castelo, R.; García, A.; Montes de Oca, J.; Formoso, M..
El cobo Strombus gigas es un importante recurso pesquero en el área del Caribe, que ha sido incluido en el Apéndice II de la Convención sobre el Comercio Internacional de Especies Amenazadas de la Fauna y Flora Silvestres. Se estimaron los factores de conversión para diferentes grados de procesamiento del cobo en dos zonas de pesca en Cuba. Se hallaron diferencias significativas fueron encontradas entre los factores de conversión para peso nominal entre áreas y diferentes localidades de una misma área de pesca, lo que puede ser atribuido al desigual comportamiento del peso de la concha. Este estudio propone estimar la captura en base al peso de masa entera procesada a bordo eviscerada. Nuevos factores de conversión son recomendados; 50 % de limpieza a masa...
Tipo: Journal Contribution Palavras-chave: Weight.
Ano: 2011 URL: http://hdl.handle.net/1834/4646
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Etude préliminaire de l’age et de la croissance de l’espadon (<Xiphias gladius>) des eaux Tunisiennes OceanDocs
Hattour, A.; Gaamour, A.; Ben Smida, M.A..
Une clé préliminaire âge taille et âge poids est présentée à partir d’un échantillonnage mené sur 212 espadon (Xiphias gladius L.) pêchés le long des côtes tunisiennes entre mars et septembre 2004. les tailles des poissons sont rangées de 60 cm à 173 cm, correspondant à des poids variant de 1,5 kg à 55 kg. L’analyse des coupes de la 2ème épine de la nageoire anale des espadons échantillonnés ont révélé que les âges sont rangés entre 0 et 5 années.
Tipo: Journal Contribution Palavras-chave: Age composition; Cosmopolite species; Growth; Length; Size distribution; Tuna fisheries; Weight; Population structure; Age composition; Growth; Length; Population structure; Weight; Http://aims.fao.org/aos/agrovoc/c_29093; Http://aims.fao.org/aos/agrovoc/c_3394; Http://aims.fao.org/aos/agrovoc/c_4260; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_8349.
Ano: 2005 URL: http://hdl.handle.net/1834/3737
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Ajustement de certains paramètres de culture par bouturage de Gracilaria verrucosa (algue rouge), Hudson papenfuss, dans le lac de Bizerte (Tunisie) OceanDocs
Ksouri, J.; Mensi, F.; Ben Said, R..
Cette étude, réalisée dans la partie Nord-Est du lac de Bizerte du premier Avril au 30 Juin 1999, porte sur l’étude de l’effet des deux paramètres, distance entre les touffes et poids initial des touffes, sur le rendement de culture par bouturage de Gracilaria verrucosa selon le mode des boudins de sable. Il en ressort que les conditions optimales de culture de cette espèce sont engendrées par un poids initial de 200 g, une distance entre les fragments de thalles de 30 cm et une récolte impérativement vers la fin du mois de Juin. Dans ces conditions, on enregistre un passage du poids de 200 g à 1087 g, un taux de croissance spécifique de 2,20 et une densité finale de 3,74 kg/m².
Tipo: Journal Contribution Palavras-chave: Marine sciences; Weight; Algae; Seaweed culture; Aquaculture techniques; Gracilaria verrucosa; Http://aims.fao.org/aos/agrovoc/c_49675.
Ano: 2000 URL: http://hdl.handle.net/1834/4287
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La rhodophycée Gelidium spinosum (s.g. Gmelin) p.c. Silva, des cotes de Monastir : lumière sur quelques aspects hydro-biologiques OceanDocs
Romdhane, M.S.; Ben Said, R.; El Abed, A.; M'Rabet, R..
في هذه الدراسة تمت متابعة الطحلب الأحمر Gelidium spinosum على سواحل المنستير منذ سبتمبر 2000 إلى أوت 2001 و أبرزت النتائج المتحّصل عليها أن الوزن الأقصى تم تسجيله في ماي وهو حوالي 37غ أما الطول الأقصى (11 صم) فقد تم الحصول عليه في شهر جوان . و أما الكتلة الحيوية الأعلى فقد تم التحصل عليها في شهر ماي (حوالي 7 كغ/م2) . أما نسبة الخصوبة فتراوحت بين 0 و 100% . كل هذه النتائج بينت لنا أن الطحلب Gelidium spinosum هو نبتة معمرة لكن حضورها متميز أكثر في الربيع والصيف .
Tipo: Journal Contribution Palavras-chave: Gelidiales Gelidium spinosum Rhodophyta; Biomass; Fertility; Length; Seaweeds; Weight; Biomass; Length; Fertility; Seaweeds; Weight; Http://aims.fao.org/aos/agrovoc/c_926; Http://aims.fao.org/aos/agrovoc/c_4260; Http://aims.fao.org/aos/agrovoc/c_2862; Http://aims.fao.org/aos/agrovoc/c_14154; Http://aims.fao.org/aos/agrovoc/c_8349.
Ano: 2007 URL: http://hdl.handle.net/1834/4285
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The effect of <i>Artemia</i> -supplementation of dry foods on growth and survival of <i>Clarias gariepinus</i> (Burchell 1822) larvae OMA
Van Damme, P.; Pacolet, W.; Sulem Yong, S.; Fremaut, D.; Ollevier, F.P..
Two experiments were performed in order to determine the effect of supplementation of dry foods with live <i>Artemia</i> nauplii on the growth, survival, rate of cannibalism, and length-weight relationships of <i>Clarias gariepinus</i> larvae. It was found that <i>Artemia</i> -supplementation resulted in a significantly higher growth rate. The "condition", expressed as a length-weight relationship, was likewise altered after supplementation. The survival and rate of cannibalism were not influenced by supplementation. <i>Artemia</i> -supplementation of dry foods was compared with other approaches which are based on the concept of the 'adaptation weight'.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adaptations; Freshwater fish; Weight; Artemia; Clarias gariepinus.
Ano: 1989 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3193
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Modeling natural regeneration biomass of Pinus stand PFB - Pesquisa Florestal Brasileira
Cubas, Rafael; Costa, Emanuel Arnoni; Guimarães Finger, César Augusto; Maydanchen, Viviane Zaniz.
Reliable biomass data are very important in the evaluation of ecosystems, and help in understanding the contribution of forests in climate change. Variables that describe the size of the tree, like diameter and height are directly associated with biomass, which allows the use of regression models to estimate this element. Therefore, this study aimed to estimate by regression models, the biomass of different compartments of natural regeneration of trees of a Pinus taeda L. stand. The data were obtained through direct destructive method, using 100 randomly selected trees in the understory of a stand of Pinus taeda. We analyzed three arithmetical models, three logarithmic and two models developed by Stepwise process. Logarithmic equations developed by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Weight; Crown; Pinus taeda Recursos florestais; Engenharia Florestal Peso; Copa; Pinus taeda.
Ano: 2016 URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1091
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Equations for calculation of volume and weight of aerial compartiments of eight-year-old Grevillea robusta (Cunn.) trees PFB - Pesquisa Florestal Brasileira
Ferreira, Carlos Alberto; Martins, Emerson Gonçalves; Silva, Helton Damin da.
This paper presents results obtained for fitting equations to estimate volume and weight of aerial compartments of Grevillea robusta trees. Twelve trees representing four provenances were collected from an eight-year-old provenance trial located in the municipality of Anhembi, State of São Paulo. The trunks of the trees were segmented until the minimum diameter of 5 cm. The heartwood was measured till the height it was possible to be distinguished in the tree. Allometric models were the most suitable for this paper proposes. The inclusion of the combined variable (total height multiplied by the diameter at breast height) contributed to a better adjustment of most equations. The standard errors of the estimates were relatively high for heartwood and bark...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Volume; Weight; Heartwood; Sapwood; Branches; Leaves Volume; Peso; Cerne; Alburno; Ramos; Folhas.
Ano: 2004 URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1292
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THE ROLE OF ECONOMICS IN EATING CHOICES AND WEIGHT OUTCOMES AgEcon
Mancino, Lisa; Lin, Biing-Hwan; Ballenger, Nicole.
We use data from the USDA's 1994-96 Continuing Survey of Food Intakes by Individuals and the 1994-96 Diet and Health Knowledge Survey to ascertain whether economic factors help explain weight differences among adults. Weight differs among demographic subgroups, and differences in specific behaviors, health awareness, and eating patterns can be linked to weight outcomes. An economic framework helps explain how socioeconomic factors affect an individual's ability to achieve good health. Our results suggest that income, household composition, and formal education help explain variation in behaviors and attitudes that are significantly associated with weight outcomes.
Tipo: Report Palavras-chave: Obesity; CSFII; DHKS; Weight; Age; Income; Education; Race/ethnicity; Food Consumption/Nutrition/Food Safety; Health Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/33781
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Evaluation Model of the Ecology Benefit Value of Woodland in China AgEcon
Wang, Xian-feng; Yin, Chun-wu.
Main influencing factors affecting the ecology benefit value of woodland are analyzed, mainly including the water conservation value, environment cleaning value, water and soil conservation value, and climate regulation value. Evaluation model of the ecology benefit value of woodland is put forward which can deal with the uncertain information. Method for determining index weights is discussed, as well as the processing method for uncertain information during the evaluation of ecology benefit value of woodland. Finally, the feasibility and convenience of the evaluation model of the woodland ecology benefit value are illustrated with examples.
Tipo: Journal Article Palavras-chave: Ecology benefit of woodland; Evaluation; Uncertain information; Weight; China; Agribusiness.
Ano: 2011 URL: http://purl.umn.edu/108470
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