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Registros recuperados: 27
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Biometric variability of goat populations revealed by means of principal component analysis. Repositório Alice
PIRES, L. C.; MACHADO, T. M. M.; ARAUJO, A. M. de; OLSON, T. A.; SILVA, J. B. L. da; TORRES, R. A.; COSTA, M. da S..
The aim was to analyze variation in 12 Brazilian and Moroccan goat populations, and, through principal component analysis (PCA), check the importance of body measures and their indices as a means of distinguishing among individuals and populations. The biometric measurements were wither height (WH), brisket height (BH) and ear length (EL). Thorax depth (WH-BH) and the three indices, TD/WH, EL/TD and EL/WH, were also calculated. Of the seven components extracted, the first three principal components were sufficient to explain 99.5% of the total variance of the data. Graphical dispersion by genetic groups revealed that European dairy breeds clustered together. The Moroccan breeds were separated into two groups, one comprising the Drâa and the other the...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biometria; Recursos genéticos; Raças de caprinos; Morfométricas; Caracterização da população; Biometrics; Genetic resources; Goat breeds; Morphometrics; Population characterization.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/941458
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Biometric variability of goat populations revealed by means of principal component analysis Genet. Mol. Biol.
Pires,Luanna Chácara; Machado,Théa M. Medeiros; Araújo,Adriana Mello; Olson,Timothy A.; Silva,João Batista Lopes da; Torres,Robledo Almeida; Costa,Márcio da Silva.
The aim was to analyze variation in 12 Brazilian and Moroccan goat populations, and, through principal component analysis (PCA), check the importance of body measures and their indices as a means of distinguishing among individuals and populations. The biometric measurements were wither height (WH), brisket height (BH) and ear length (EL). Thorax depth (WH-BH) and the three indices, TD/WH, EL/TD and EL/WH, were also calculated. Of the seven components extracted, the first three principal components were sufficient to explain 99.5% of the total variance of the data. Graphical dispersion by genetic groups revealed that European dairy breeds clustered together. The Moroccan breeds were separated into two groups, one comprising the Drâa and the other the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biometrics; Genetic resources; Goat breeds; Morphometrics; Population characterization.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572012000500011
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Biometrie et Croissance des Jeunes Crevettes Trachypenaeus de la Guadeloupe (Antilles Francaises). ArchiMer
The principal biometric relations of juvenile Trachypenaeus similis similis and T. constrictus in Guadeloupe were calculated from 1976 to 1978. The examination of these relations yields few differences between the two species. A growth curve was established according to the sequences of modal values; these were determined according to weekly size frequency distributions over three different periods of time. In the zone studied, the growth of young Trachypenaeus is more rapid than that of the young Penaeus.
Tipo: Text Palavras-chave: Trachypenaeus; Juveniles; Size distribution; Growth curves; Biometrics.
Ano: 1980 URL: http://archimer.ifremer.fr/doc/1980/publication-1932.pdf
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Caractères biométriques de la Squille <Squilla mantis> dans les eaux tunisiennes OceanDocs
Mili, S.; Jarboui, O..
Pour l’étude biométrique de la squille Squilla mantis, un échantillonnage régulier a été réalisé dans le golfe de Tunis, le golfe de Hammamet et le golfe de Gabès de janvier 2005 à décembre 2006. Les équations morphométriques de la squille, dans le golfe de Gabès, ont montré que la croissance relative du telson, celle de la masse totale et celle de la masse éviscérée par rapport à celle du céphalothorax sont caractérisées par une allométrie positive. Par contre, la longueur totale croît négativement par rapport à celle du céphalothorax. Pour le golfe de Hammamet, ces caractères ont une croissance marquée par une allométrie négative à part la masse éviscérée. Les équations morphométriques de la squille du golfe de Tunis ont montré une allométrie positive...
Tipo: Journal Contribution Palavras-chave: Squilla mantis; Biometrics; Comparative studies; Population dynamics; Statistical analysis; Shrimp culture; Statistical analysis; Population dynamics; Http://aims.fao.org/aos/agrovoc/c_7378; Http://aims.fao.org/aos/agrovoc/c_6111.
Ano: 2008 URL: http://hdl.handle.net/1834/3789
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Caractères biométriques de la squille squilla mantis dans les eaux tunisiennes OceanDocs
Mili, S.; Jarboui, O.; Missaoui, H..
Pour l’étude biométrique de la squille Squilla mantis, un échantillonnage régulier a été réalisé dans le golfe de Tunis, le golfe de Hammamet et le golfe de Gabès de janvier 2005 à décembre 2006. Les équations morphométriques de la squille, dans le golfe de Gabès, ont montré que la croissance relative du telson, celle de la masse totale et celle de la masse éviscérée par rapport à celle du céphalothorax sont caractérisées par une allométrie positive. Par contre, la longueur totale croît négativement par rapport à celle du céphalothorax. Pour le golfe de Hammamet, ces caractères ont une croissance marquée par une allométrie négative à part la masse éviscérée. Les équations morphométriques de la squille du golfe de Tunis ont montré une allométrie positive...
Tipo: Journal Contribution Palavras-chave: Biometrics; Comparative studies; Population dynamics; Population structure; Statistical analysis; Squilla mantis; Http://aims.fao.org/aos/agrovoc/c_46197.
Ano: 2008 URL: http://hdl.handle.net/1834/4241
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Contribution a l’étude des poissons pélagiques des eaux tunisiennes OceanDocs
Hattour, A..
Etude réalisée dans le cadre des activités de recherche de l’Institut National des Sciences et Technologies de la Mer (INSTM)
Tipo: Theses and Dissertations Palavras-chave: Répartition sexuelle; Thon rouge; Biométrie morphologique; Scombrides; Ressources pélagiques; Biologie; Pelagic fish; Biology; Biometrics.
Ano: 2000 URL: http://hdl.handle.net/1834/212
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Contribution a l’étude écobiologique et biochimique du crabe "Carcinus aestuarii " dans la région nord de Sfax OceanDocs
Baklouti Zouari, S.
The main objective of this work is to study some biological aspects of Carcinus aestuarii Northern Sfax (biometry, reproduction, diet), and biochemical contents (water, protein, minerals, and fat). Analysis of metric characteristics of Carcinus aestuarii allowed us to determine the nature of the allometry between the width and différent parts of the body of the crab. For reproduction study, analysis of monthly changes in the gonadosomatic index (GSI) shows that the spawning period of Carcinus aestuarii North Sfax occurs from October to January. The analysis of monthly variations of the hepatosomatic index (HSI), shows that this species used the hepatic reserved to the maturity of gonads. The analysis of monthly variations of the sex-ratio shows that the...
Tipo: Theses and Dissertations Palavras-chave: Biometrics; Biochemical analysis; Reproductive behaviour; Carcinus aestuarii.
Ano: 2010 URL: http://hdl.handle.net/1834/5481
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Estimativa do volume de madeira em pátios de estocagem de toras por meio de câmeras RGB instaladas em Aeronaves Remotamente Pilotadas (ARP). Infoteca-e
FIGUEIREDO, E. O.; OLIVEIRA, M. V. N. d'; LOCKS, C. J.; PAPA, D. de A..
A utilização de câmeras fotográficas acopladas a aeronaves remotamente pilotadas (ARP) na engenharia consiste em uma alternativa de baixo custo para o mapeamento e modelagem 3D por meio de nuvens de pontos produzidas pelo processamento estereoscópico das ortofotos obtidas durante o voo. O objetivo deste trabalho foi avaliar e selecionar uma estratégia de plano de voo semiautônomo para fotogrametria usando uma câmera RGB acoplada a um ARP multirrotor (classe III), cujo produto é a obtenção de nuvens de pontos de alta densidade, visando à estimativa do volume de madeira em pátios de estocagem de toras. Foi testada a acurácia das estimativas de volume de 12 pilhas de toras de madeira, produzidas pelo processamento da nuvem de pontos de imagens obtidas em três...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Drone; Modelagem 3D; 3D modeling; Modelado 3D; Câmera RGB; Wood storage; Almacenamiento de la madera; Dendrometry; Dendrometría; Rio Branco (AC); Acre; Amazônia Ocidental; Aerofotogrametria; Madeira; Tora; Serraria; Estocagem; Dendometria; Biometria; Photogrammetry; Unmanned aerial vehicles; Wood logs; Sawmills; Biometrics; Western Amazon; Fotogrametría; Vehículos aéreos no tripulados; Troncos; Serrerías; Biometría; Amazonia Occidental.
Ano: 2016 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/1066063
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Estudio biométrico, estructura poblacional y habitat del camarón Penaeus vannamei, Boone en criaderos OceanDocs
Reinoso, B..
The present work is about biometry study, population structure and habitat Penaeus vannamei, Boone shrimp cultivated in ponds 939 shrimps were analised from March-July 1991 at a shrimp farm located in Hebano-Manabí port. The analysis demostrated that a strong difference exists between the male and female shrimp product of morphological diformis in this species. Also, the calculated correlation coeficient values were always near the unit indicated for us that the relations between the different averages were very narrow. The proportion of the sexes showed a clear predominance of the females over the males. The proportions being 60%/40% respectively. Aside from this, this population distribution remained steady during the period of the investigation. The...
Tipo: Journal Contribution Palavras-chave: Biometrics; Habitat; Population characteristics; Breeding; Crustacean culture; Length-weight relationships; Breeding; Crustacean culture; Http://aims.fao.org/aos/agrovoc/c_49902; Http://aims.fao.org/aos/agrovoc/c_1985.
Ano: 1993 URL: http://hdl.handle.net/1834/3048
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Estudio de las capturas comerciales de Panulirus gracilis (langosta verde) del noroeste del Golfo de Guayaquil (1970-1979) OceanDocs
Cún, M.; Campos, J..
The present work is a study of the fishery of Panulirus gracilis (Green spiny lobster) in the ports of Chanduy, El Real and Anconcito in the north east of the Gulf of Guayaquil 58, 252 specimens caught in the 10 year period 1970 to 1979 were examined. A comparison was made of the sizes of lobsters caught with the established regulation for the explotation of the crustaceans. It was found that both the monthly and annual mean sizes were maintained above the ”minimum permitted length” which is 25 cm total length. Males predominated over females in the ratio 2:1. The percentage of males was 66,5% and of females 33,5%. During the period of the study, berried females of various sizes were frequently found, being most abundant in the months of May, June and July...
Tipo: Journal Contribution Palavras-chave: Catch composition; Crustacean fisheries; Legislation; Biometrics; Catch composition; Legislation; Http://aims.fao.org/aos/agrovoc/c_1384; Http://aims.fao.org/aos/agrovoc/c_4253.
Ano: 1993 URL: http://hdl.handle.net/1834/3030
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Etude comparative des caractères biométriques chez l'huitre perlière "Pinctada radiata" des iles de Kerkennah (sud tunisien) OceanDocs
Derbali, A.; Jarboui, O.; Ghorbel, M..
Le présent travail porte sur l’étude des caractères biométriques de l’huître perlière Pinctada radiata des îles de Kerkennah pour la différenciation entre les populations des deux sites El Kraten et El Jorf à partir d’un pouvoir discriminant des caractères métriques et méristiques. Durant l’année 2007, un total de 2360 et 2422 individus ont été collectés respectivement dans les sites d’El Kraten et d’El Jorf. Les résultats des comparaisons des moyennes et des variances des caractères biométriques à l’aide du test "F" de Fisher et du test "t" de Student plaident en faveur d’une discrimination entre les deux populations. De même, les résultats des analyses multivariées (l’Analyse en Composante Principale (ACP) et l’Analyse Factorielle Discriminante (AFD))...
Tipo: Journal Contribution Palavras-chave: Pearl oysters; Biometrics.
Ano: 2012 URL: http://hdl.handle.net/1834/5294
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Etude morphométrique du mollusque gastéropode "Patella caerulea Linnaeus" , 1758 des côtes nord de la Tunisie OceanDocs
Belkhodja, H.; Romdhane, M. S..
La patelle, Patella caerulea Linnaeus, 1758, est un mollusque gastéropode très fréquent sur toutes les côtes rocheuses tunisiennes. Elle expose des traits écologiques et comportementaux complexes qui varient d’un milieu à un autre. Dans cette étude, nous nous proposerons d’analyser la diversité morphométrique de P. caerulea peuplant trois sites rocheux des côtes nord de la Tunisie (Canal de Bizerte, La Goulette et Sidi Rais). Le test t de Student, le test "t" : de pente (tpe) et de position (tpo) ont été utilisés pour la comparaison des pentes et des positions des droites de régressions entre les 3 populations étudiées. A l’échelle globale, les résultats des trois relations allométriques (longueur-hauteur, longueur-largeur et largeur-hauteur), mises en...
Tipo: Journal Contribution Palavras-chave: Molluscs; Biometrics; Molluscs.
Ano: 2012 URL: http://hdl.handle.net/1834/5297
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Fator de condição e treinamento alimentar de tuviras mantidas em isqueiro de Jaguariúna - SP. Repositório Alice
DIAS, D. V.; NASCIMENTO, T. da S.; SOUZA, B. H. de; DONETTI, L. A. R.; ISHIKAWA, M. M..
A tuvira é uma espécie de peixe utilizada como isca-viva e ornamental sendo adquiridas de pescadores autorizados para captura no ambiente, e mantidas em estabelecimentos comerciais e isqueiros para comercialização. O treinamento alimentar é essencial para garantir a manutenção desses peixes em cativeiro. Realizou-se avaliação da relação peso-comprimento e fator de condição de tuviras provenientes de um isqueiro em Jaguariúna, SP com objetivo de avaliar uma metodologia de treinamento alimentar. Adotou-se a utilização de um questionário e visitas técnicas para acompanhamento e obtenção das informações sobre manejo sanitário e alimentar das tuviras mantidas em condições de cativeiro para comercialização. Realizou-se duas visitas técnicas, uma para avaliação,...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Sanidade; Questionário; Manejo alimentar; Health; Questionnaire; Biometrics; Feed management; Peixe de água doce; Isca; Nutrição animal; Sanidade animal; Biometria; Baitfish; Freshwater fish; Fish nutrition.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1084182
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Genetic diversity among accessions of sacha inchi (Plukenetia volubilis) by phenotypic characteristics analysis Acta Amazonica
RODRIGUES,Haroldo Silva; BORÉM,Aluízio; VALENTE,Mágno Sávio Ferreira; LOPES,Maria Teresa Gomes; CRUZ,Cosme Damião; CHAVES,Francisco Célio Maia; BEZERRA,Caroline de Souza.
ABSTRACT Sacha inchi (Plukenetia volubilis) is native to the Amazon region and has a high seed content of mono and polyunsaturated fatty acids, making it interesting for the pharmaceutical and cosmetic industry. The purpose of this study was to analyze sacha inchi genetic diversity and describe accessions based on phenotypic characteristics. Fruits and seeds of 25 accessions from the sacha inchi genebank of Embrapa Amazônia Ocidental in Manaus, Amazonas state, were sampled and biometrically measured. The data were subjected to analysis of variance, Mahalanobis distance, canonical correlation, and genetic diversity among and within accessions by analysis of molecular variance (AMOVA). There were significant differences among the means of the analyzed...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Euphorbiaceae; Biometrics; Amazon region; Genetic resources.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672018000200093
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GenomicLand: Software for genome-wide association studies and genomic prediction. Repositório Alice
AZEVEDO, C. F.; NASCIMENTO, M.; FONTES, V. C.; SILVA, F. F. e; RESENDE, M. D. V. de; CRUZ, C. D..
GenomicLand is free software intended for prediction and genomic association studies based on the R software. This computational tool has an intuitive interface and supports large genomic databases, without requiring the user to use the command line. GenomicLand is available in English, can be downloaded from the Internet (https://licaeufv.wordpress.com/), and requires the Windows or Linux operating system. The software includes statistical procedures based on mixed models, Bayesian inference, dimensionality reduction and artificial intelligence. Examples of data files that can be processed by GenomicLand are available. The examples are useful to learn about the operation of the modules and statistical procedures.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Genomic analysis; Molecular markers; Biometrics; Statistical analysis.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1109835
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Influence of availability of shade on testicular characteristics of Santa Ines rams - doi: 10.4025/actascianimsci.v35i.18479 Animal Sciences
Teodoro, Sônia Martins; Universidade Estadual do Sudoeste da Bahia; Pereira, Alfredo Manuel Franco; Universidade de Évora; Gusmão Filho, José Dantas; Instituto Federal da Bahia; Silva, Jadir Nogueira da; Universidade Federal de Viçosa.
The purpose of this study was to evaluate the effects of availability of artificial shading on testicular and seminal characteristics of Santa Ines crossbred rams. Twelve 8 month old rams at 38.1 ± 5.2 kg average weight, were used in a total random design with two treatments: areas with and without available artificial shading (black polyethylene mesh screen for a 50% reduction of solar radiation). The scrotal circumference, scrotal length, scrotal volume, rectal temperature and scrotal temperature were measured twice a week. Also a biweekly analysis of the semen was carried out, measuring the volume and spermatic concentration as well as the percentage of normal spermatozoa. The results show that available shading provided for lower scrotal temperatures...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.00.00.00-4 - ciências agrárias; 5.05.04.00-2 - reprodução animal semen; Biometrics; Sheep; Shade; Thermal stress Semen; Biometrics; Sheep; Shade; Thermal stress.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/18479
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International study on <i>Artemia</i>: 3. The use of Coulter Counter<sup>®</sup> equipment for the biometrical analysis of <i>Artemia</i> cysts: methodology and mathematics OMA
Vanhaecke, P.; Steyaert, H.; Sorgeloos, P..
Geographical strains of the brine shrimp, <i>Artemia</i> , can be characterized by the diameter of their cysts, their cyst volume and chorion thickness. The paper describes the routine procedure that has been worked out for an accurate size-analysis of <i>Artemia</i> cyst batches using Coulter Counter<sup>®</sup> equipment.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biometrics; Cysts; Methodology; Artemia.
Ano: 1980 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3701
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Morphological characterization of active germoplasm bank fig tree accessions Rev. Bras. Frutic.
Rodrigues,Maria Gabriela Fontanetti; Santos,Tatiane Paes dos; Ferreira,Antonio Flávio Arruda; Monteiro,Laís Naiara Honorato; Nakanishi,Eduarda Sayuri; Boliani,Aparecida Conceição.
Abstract Fig tree (Ficus carica L.) is a fruit of great importance worldwide, being able to be implanted as new source of agricultural variability. The aim of the present work was to characterize the active germplasm bank of fig trees by means of morphological descriptors of 45 fig accessions at the Faculty of Agrarian and Technological Sciences, Campus of Dracena, FCAT / UNESP aiming at the recognition of the quality and genetic variability potential of the species. Thus, their biometric characteristics were evaluated by qualitative and quantitative descriptors of leaves and fruits. Fig tree accessions were characterized by means of the morphological characteristics of leaves and fruits, identifying AGB with high phenotypic variability and well adapted...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ficus carica L.; Ex situ conservation; Genetic resources; Biometrics.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452019000500802
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Morphological characterization of Amiata donkey through Multivariate analyses R. Bras. Zootec.
Sargentini,Clara; Tocci,Roberto; Martini,Andrea; Bozzi,Riccardo.
ABSTRACT The objective of this study was to evaluate the morphology and biometrics of female Amiata donkeys reared in four different areas of southern Tuscany, Italy, to determine the differentiation degree of animals. Four southern Tuscan areas were investigated: two mountainous zones (East and West Amiata) and two flatter areas (Coastal area and Siena surrounding). Morphology and biometrics of adult female Amiata donkeys were collected to determine the homogeneity of the population. Primitive coat markings typical of the breed (shoulder and leg stripes) were found in Amiata donkey. Jennets from Siena surrounding were more dolichomorphic, while West Amiata individuals were smaller. The Principal Component Analysis and the Discriminant Analysis separated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biometrics; Discriminant analysis; Donkeys; Geographical diversity; Morphology; PCA.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100544
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Observaciones biométricas de una muestra de krill Antártico (Euphausia superba) OceanDocs
Arcos, F..
De una muestra superficial de 226 individuos de krill Euphausia superba se han llevado a cabo determinaciones biométricas de longitud y peso para establecer las características de una parte de la población para correlacionar, por medio de la estadística, algunas variables de individuos machos y hembras separadamente.
Tipo: Journal Contribution Palavras-chave: Krill fisheries; Marine crustaceans; Biometrics; Length-weight relationships; Polar zones.
Ano: 1990 URL: http://hdl.handle.net/1834/3799
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