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Article ; Online: Simultaneous geomagnetic monitoring with multiple SQUIDs and fluxgate sensors across underground laboratories

Henry S. / Borgo E. Pozzo di / Danquigny C. / Abi B.

E3S Web of Conferences, Vol 12, p

2016 Volume 02003

Abstract: For two periods of several weeks duration in spring and autumn 2014, we monitored fluctuations in the geomagnetic field using 3-axis SQUID magnetometers at three locations within the LSBB tunnel network. Measurements at the water flow point C, and the ... ...

Abstract	For two periods of several weeks duration in spring and autumn 2014, we monitored fluctuations in the geomagnetic field using 3-axis SQUID magnetometers at three locations within the LSBB tunnel network. Measurements at the water flow point C, and the GAS gallery supplemented the measurements by the permanent [SQUID]2 system in the Capsule. The frequency spectra of the magnetic fluctuations varied considerably between the three locations. These measurements have provided a unique data set to investigate the potential of underground SQUIDs to monitor the gradient of geomagnetic signals and thus investigate magnetotelluric effects and possible seasonal effects due to changes in the water content of the surrounding rock. We also compared the measurements of a SQUID and fluxgate system, and report on fluxgate measurements at the Boulby Underground Laboratory.
Keywords	Environmental sciences ; GE1-350
Language	English
Publishing date	2016-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Estimates of reciprocal, maternal and sex-linked effects on growth traits in crosses of west African indigenous and exotic breeds of pigs

V.M.O. Okoro / A.B.I. Udedibie / C.L. Okoro / S.N. Ibe

Genomics and Quantitative Genetics, Vol 8, Iss 1, Pp 1-

2014 Volume 6

Abstract: A study was carried out to evaluate reciprocal, maternal and sex-linked effects on growth traits in pigs. Large White (LW), Landrace (LR) and West African Indigenous (WAI) pigs were crossed in a modified diallel cross format. The reciprocal, maternal and ...

Abstract	A study was carried out to evaluate reciprocal, maternal and sex-linked effects on growth traits in pigs. Large White (LW), Landrace (LR) and West African Indigenous (WAI) pigs were crossed in a modified diallel cross format. The reciprocal, maternal and sex-linked effects on body weight between LR and LR cross shows that the reciprocal cross LRxLW performed significantly better (P<0.05) than the main cross at 2 – 9, 12 and 14 – 18 weeks of age for body weight (BW). Maternal effect was also significant (P<0.05) at 4 – 9, 14, 17 and 18 weeks of age. Sex-linked effect was also significant (P<0.05) at weeks 2 and 12. The reciprocal, maternal and sex-linked effects on BW between the LW and WAI breed crosses favoured the reciprocal cross (WAIxLW) with significant reciprocal effects (P<0.05) at 0 – 5 weeks only, significant maternal effects at 0 – 4 weeks of age and significant (P<0.05) sex-linked effect at week 5. The reciprocal, maternal and sex-linked effects on BW between the LR and WAI breed crosses, favoured the main cross (LRxWAI) with significant reciprocal effects (P<0.05) at 2 – 9 and 11-20 weeks of age, significant maternal effects at 2 – 20 weeks of age and no significant sex-linked effect. In a crossbreeding programme involving these three breeds of swine the cross involving LR males and LW females will give the best performance for BW gain followed by the cross involving WAI males on LW females, and lastly using LR males on WAI females in South-eastern Nigeria.
Keywords	diallel cross ; growth traits ; maternal effects ; reciprocal effects ; Genetics ; QH426-470 ; Biology (General) ; QH301-705.5 ; Science ; Q ; DOAJ:Genetics ; DOAJ:Biology ; DOAJ:Biology and Life Sciences
Subject code	590 ; 630
Language	English
Publishing date	2014-03-01T00:00:00Z
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: ANTINUTRITIONAL FACTORS IN SORGHUM

E.B. ETUK / N.J. OKEUDO / B.O. ESONU / A.B.I. UDEDIBIE

Online Journal of Animal and Feed Research, Vol 02, Iss 02, Pp 113-

CHEMISTRY, MODE OF ACTION AND EFFECTS ON LIVESTOCK AND POULTRY

2012 Volume 119

Abstract: Sorghum basically contains two major anti-nutritional factors; tannin, a polyphenolic compound located in the grain and, dhurrin a cyanogenic glucoside located mainly in the aerial shoot and sprouted seeds. Tannins are high in sorghum with brown pericarp ...

Abstract	Sorghum basically contains two major anti-nutritional factors; tannin, a polyphenolic compound located in the grain and, dhurrin a cyanogenic glucoside located mainly in the aerial shoot and sprouted seeds. Tannins are high in sorghum with brown pericarp and no testa and very low in unpigmented grains. The main anti-nutritional effects of tannins are: reduction in voluntary feed intake due to reduced palatability, diminished digestibility and utilisation of nutrients, adverse effects upon metabolism and toxicity. The level of tannins present in sorghum seems to be the predominant factor that influences its nutritional value. Drying, soaking, grinding and pelleting appear to reduce tannin content in feedstuffs while diet supplementation with methyl group donors like choline and methionine reduce the problems associated with tannins in livestock. Dhurrin, on enzyme action readily yields hydrogen cyanide (HCN). The quantity of HCN in sorghum varies with cultivar and the growth condition but diminishes with age. Excess cyanide ion can quickly produce anoxia of the central nervous system through inactivating the cytochrome oxidase system and death can result within a few seconds. Making fodder into hay or silage however, destroys the poison.
Keywords	Tannin ; Dhurrin ; Sorghum ; Livestock ; Poultry ; Animal culture ; SF1-1100 ; Agriculture ; S
Language	English
Publishing date	2012-03-01T00:00:00Z
Publisher	Science-Line Publication
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Haematological and Serum Biochemical Parameters of Local Turkey Poults Fed Diets Containing Two Varieties of Sorghum

E.B. Etuk / M.N. Opara / N. J. Okeudo / B.O. Esonu / A.B.I. Udedibie

Journal of World's Poultry Research , Vol 2, Iss 4, Pp 81-

2012 Volume 89

Abstract: These studies were conducted to determine the effects of two varieties of sorghum, Samsorg 17 and ICSV 400 on the haematological and serum biochemical parameters of local turkey breeds, reared in Nigeria. Two hundred and sixteen poults were divided into ... ...

Abstract	These studies were conducted to determine the effects of two varieties of sorghum, Samsorg 17 and ICSV 400 on the haematological and serum biochemical parameters of local turkey breeds, reared in Nigeria. Two hundred and sixteen poults were divided into 9 treatment groups of 24 each, which were further replicated thrice and fed starter diets containing Samsorg 17 and ICSV 400. Similar (P > 0.05) RBC and PCV values were obtained with the two diets. Samsorg 17 fed poults produced lower, though not significantly (P > 0.05) serum albumin, glucose, urea, creatinine, sodium, chloride, ALP, SGPT and SGOT values than those on ICSV 400 diet. Higher RBC, MCHC, MCH, MCV and PCV values were observed with Samsorg 17 fed turkeys than those on ICSV 400 diets. Serum glucose and creatinine decreased and SGOT increased with dietary sorghum. Similar (p > 0.05) Hb, WBC, MCHC, MCV and PCV values were obtained in all groups. Values of serum biochemical indices assayed except urea, calcium, potassium and chloride showed no significant (p > 0.05) differences among the treatment groups. It was therefore concluded that Samsorg 17 and ICSV 400 sorghum varieties could sustain local turkey production without any on toward effects on their haematological and serum biochemical indices.
Keywords	Haematology ; Serum Biochemistry ; Local Turkeys ; Sorghum ; Animal culture ; SF1-1100 ; Veterinary medicine ; SF600-1100
Subject code	630
Language	English
Publishing date	2012-12-01T00:00:00Z
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: GROWTH PERFORMANCE AND ECONOMY OF REPLACING MAIZE WITH COMBINATIONS OF BREWERS’ GRAINS, JACK BEAN AND CASSAVA ROOT MEAL IN BROILER FINISHER RATIONS

M.C. Uchegbu / U. Herbert / I.P. Ogbuewu / C. H. Nwaodu / B.O. Esonu / A.B.I. Udedibie

Online Journal of Animal and Feed Research, Vol 1, Iss 5, Pp 160-

2011 Volume 164

Abstract: This study was done to determine the effect of complete replacement of maize with maize/sorghum-based brewers’ dried grains (MSBDG), jackbean (JB) and cassava root meal (CRM) on performance of finisher broilers and the feed cost implication of using ... ...

Abstract	This study was done to determine the effect of complete replacement of maize with maize/sorghum-based brewers’ dried grains (MSBDG), jackbean (JB) and cassava root meal (CRM) on performance of finisher broilers and the feed cost implication of using these test materials as the major energy sources. Four experimental diets T1, T2, T3 and T4 were formulated to contain maize, MSBDG, JB and CRM in the following proportions 60, 0, 0, 0%; 0, 20, 15, 25%; 0, 20, 20, 20%, and 0, 20, 25, 15% respectively. Other ingredients were the same for the four diets. One hundred and sixty eight (168) 4-week-old Hubbard broilers were divided into 4 treatment groups of 42 birds each; and each group subdivided into 3 replicates of 14 birds per replicate. Each treatment group was randomly assigned to an experimental diet in a completely randomized design (CRD) experiment. The feed intake of T1, T2 and T4 birds were similar (P>0.05) but lower (P<0.05) than that of T3 birds. There was no significant (P>0.05) difference in daily weight gain between T1 (1.70g) and T2 (1.55g) birds. The feed conversion ratio of T1 birds was better (P<0.05) than T2, T3 and T4 birds. The feed cost of N195.58 for T4 required to produce 1kg meat was lower than the cost of N214.50 required for meat production in T1. Generally, the MSBDG/JB/CRM feeds produced 1kg meat at costs 6.17%, 3.71% and 8.82% for T2, T3 and T4 lower than the T1 diet.
Keywords	Broilers ; feed ingredient combinations ; performance ; Animal culture ; SF1-1100 ; Agriculture ; S
Subject code	590
Language	English
Publishing date	2011-09-01T00:00:00Z
Publisher	Science-Line Publication
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Effect of palm kernel oil treatment and method of storage on internal quality, viability, and hatchability of fertile chicken eggs

Okoli, I.C / Udedibie, A.B.I

Tropical agriculture. Apr 2001. v. 78 (2)

2001

Keywords	chickens ; ova ; viability ; egg hatchability ; palm kernel oil ; storage ; temperature ; duration ; incubation ; embryogenesis ; ovalbumin ; pH ; embryonic mortality
Language	English
Dates of publication	2001-04
Size	p. 137-140.
Document type	Article
ZDB-ID	426714-x
ISSN	0041-3216
ISSN	0041-3216
Database	NAL-Catalogue (AGRICOLA)

In stock of ZB MED Bonn / Germany

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Article: Brazilian Mucuna pruriens seeds (velvet bean) lack hemagglutinating activity

Udedibie, A.B.I / Carlini, C.R

Journal of agricultural and food chemistry. Apr 1998. v. 46 (4)

1998

Abstract: The mature dry seeds of Mucuna pruriens (velvet bean) from Brazil were analyzed for two major antinutritional factors, antitryptic and hemagglunating activities, to determine their potential as human food or animal feed. The raw seeds contained 321.5 g ... ...

Abstract	The mature dry seeds of Mucuna pruriens (velvet bean) from Brazil were analyzed for two major antinutritional factors, antitryptic and hemagglunating activities, to determine their potential as human food or animal feed. The raw seeds contained 321.5 g kg-1 crude proteins and 11864.8 trypsin inhibitor units (TIU) (g of seed)-1, but the protein extract failed to agglutinate any of the three types of human erythrocytes (A, B, and O) or rabbit or pig erythrocytes. Ordinary cooking (boiling) of the seeds for an hour at 96 degrees C, pressure cooking for 20 min, or ordinary cooking for 30 min after soaking in water for 48 h completely inactivated the antitryptic activities.
Keywords	Mucuna pruriens ; seeds ; antinutritional factors ; lectins ; trypsin inhibitors ; crude protein ; hemagglutination ; cooking ; heat treatment ; protein supplements ; Brazil
Language	English
Dates of publication	1998-04
Size	p. 1450-1452.
Document type	Article
ZDB-ID	241619-0
ISSN	1520-5118 ; 0021-8561
ISSN (online)	1520-5118
ISSN	0021-8561
Database	NAL-Catalogue (AGRICOLA)

In stock of ZB MED Bonn / Germany

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Book ; Online: Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume IV

Abi, B. / Acciarri, R. / Acero, Mario A. / Adamov, G. / Adams, D. / Adinolfi, M. / Ahmad, Z. / Ahmed, J. / Alion, T. / Monsalve, S. Alonso / Alt, C. / Anderson, J. / Andreopoulos, C. / Andrews, M. P. / Andrianala, F. / Andringa, S. / Ankowski, A. / Anthony, J. / Antonova, M. /

Antusch, S. / Fernandez, A. Aranda / Ariga, A. / Arnold, L. O. / Arroyave, M. A. / Asaadi, J. / Aurisano, A. / Aushev, V. / Autiero, D. / Azfar, F. / Back, H. / Back, J. J. / Backhouse, C. / Baesso, P. / Bagby, L. / Bajou, R. / Balasubramanian, S. / Baldi, P. / Bambah, B. / Barao, F. / Barenboim, G. / Barker, G. J. / Barkhouse, W. / Barnes, C. / Barr, G. / Monarca, J. Barranco / Barros, N. / Barrow, J. L. / Bashyal, A. / Basque, V. / Bay, F.

Far Detector Single-phase Technology

2020

Abstract: The preponderance of matter over antimatter in the early universe, the dynamics of the supernovae that produced the heavy elements necessary for life, and whether protons eventually decay -- these mysteries at the forefront of particle physics and ... ...

Abstract	The preponderance of matter over antimatter in the early universe, the dynamics of the supernovae that produced the heavy elements necessary for life, and whether protons eventually decay -- these mysteries at the forefront of particle physics and astrophysics are key to understanding the early evolution of our universe, its current state, and its eventual fate. DUNE is an international world-class experiment dedicated to addressing these questions as it searches for leptonic charge-parity symmetry violation, stands ready to capture supernova neutrino bursts, and seeks to observe nucleon decay as a signature of a grand unified theory underlying the standard model. Central to achieving DUNE's physics program is a far detector that combines the many tens-of-kiloton fiducial mass necessary for rare event searches with sub-centimeter spatial resolution in its ability to image those events, allowing identification of the physics signatures among the numerous backgrounds. In the single-phase liquid argon time-projection chamber (LArTPC) technology, ionization charges drift horizontally in the liquid argon under the influence of an electric field towards a vertical anode, where they are read out with fine granularity. A photon detection system supplements the TPC, directly enhancing physics capabilities for all three DUNE physics drivers and opening up prospects for further physics explorations. The DUNE far detector technical design report (TDR) describes the DUNE physics program and the technical designs of the single- and dual-phase DUNE liquid argon TPC far detector modules. Volume IV presents an overview of the basic operating principles of a single-phase LArTPC, followed by a description of the DUNE implementation. Each of the subsystems is described in detail, connecting the high-level design requirements and decisions to the overriding physics goals of DUNE. Comment: Minor corrections made for JINST submission, 673 pages, 312 figures (corrected errors in author list)
Keywords	Physics - Instrumentation and Detectors ; High Energy Physics - Experiment
Subject code	910
Publishing date	2020-02-07
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume III

DUNE Far Detector Technical Coordination

2020

Abstract	The preponderance of matter over antimatter in the early universe, the dynamics of the supernovae that produced the heavy elements necessary for life, and whether protons eventually decay -- these mysteries at the forefront of particle physics and astrophysics are key to understanding the early evolution of our universe, its current state, and its eventual fate. The Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated to addressing these questions as it searches for leptonic charge-parity symmetry violation, stands ready to capture supernova neutrino bursts, and seeks to observe nucleon decay as a signature of a grand unified theory underlying the standard model. The DUNE far detector technical design report (TDR) describes the DUNE physics program and the technical designs of the single- and dual-phase DUNE liquid argon TPC far detector modules. Volume III of this TDR describes how the activities required to design, construct, fabricate, install, and commission the DUNE far detector modules are organized and managed. This volume details the organizational structures that will carry out and/or oversee the planned far detector activities safely, successfully, on time, and on budget. It presents overviews of the facilities, supporting infrastructure, and detectors for context, and it outlines the project-related functions and methodologies used by the DUNE technical coordination organization, focusing on the areas of integration engineering, technical reviews, quality assurance and control, and safety oversight. Because of its more advanced stage of development, functional examples presented in this volume focus primarily on the single-phase (SP) detector module. Comment: Minor corrections made for JINST submission, 209 pages, 55 figures (updated typos in Table A.5; corrected errors in author list)
Keywords	Physics - Instrumentation and Detectors ; High Energy Physics - Experiment
Subject code	910
Publishing date	2020-02-07
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume I

Introduction to DUNE

2020

Abstract	The preponderance of matter over antimatter in the early universe, the dynamics of the supernovae that produced the heavy elements necessary for life, and whether protons eventually decay -- these mysteries at the forefront of particle physics and astrophysics are key to understanding the early evolution of our universe, its current state, and its eventual fate. The Deep Underground Neutrino Experiment (DUNE) is an international world-class experiment dedicated to addressing these questions as it searches for leptonic charge-parity symmetry violation, stands ready to capture supernova neutrino bursts, and seeks to observe nucleon decay as a signature of a grand unified theory underlying the standard model. The DUNE far detector technical design report (TDR) describes the DUNE physics program and the technical designs of the single- and dual-phase DUNE liquid argon TPC far detector modules. This TDR is intended to justify the technical choices for the far detector that flow down from the high-level physics goals through requirements at all levels of the Project. Volume I contains an executive summary that introduces the DUNE science program, the far detector and the strategy for its modular designs, and the organization and management of the Project. The remainder of Volume I provides more detail on the science program that drives the choice of detector technologies and on the technologies themselves. It also introduces the designs for the DUNE near detector and the DUNE computing model, for which DUNE is planning design reports. Volume II of this TDR describes DUNE's physics program in detail. Volume III describes the technical coordination required for the far detector design, construction, installation, and integration, and its organizational structure. Volume IV describes the single-phase far detector technology. A planned Volume V will describe the dual-phase technology. Comment: Minor corrections made for JINST submission; 244 pages, 114 figures
Keywords	Physics - Instrumentation and Detectors ; High Energy Physics - Experiment
Subject code	910
Publishing date	2020-02-07
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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