Search Results - "Johnston, M. E."
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Impact of lactation length and piglet weaning weight on long-term growth and viability of progeny
Published in Journal of animal science (01-07-2010)“…A total of 1,034 pigs produced by breeding PIC sows to 2 different PIC terminal sires were used to create 3 distinct weaning weight populations so that…”
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2
A decade of probing the depths of thick multi-year ice to measure its borehole strength
Published in Cold regions science and technology (01-03-2014)“…This paper offers the most comprehensive set of property measurements on multi-year ice to date, in the interest of addressing one of the most significant…”
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3
Estimating 3D variation in active-layer thickness beneath arctic streams using ground-penetrating radar
Published in Journal of hydrology (Amsterdam) (15-07-2009)“…We acquired three-dimensional (3D) ground-penetrating radar (GPR) data across three stream sites on the North Slope, AK, in August 2005, to investigate the…”
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4
Governance of Arctic expedition cruise ships in a time of rapid environmental and economic change
Published in Ocean & coastal management (01-03-2014)“…Changes in seasonal climate patterns and decreasing sea ice cover have facilitated an increase in navigable waters throughout Arctic Canada and resulted in the…”
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5
A Review of Tourism Research in the Polar Regions
Published in Arctic (01-12-2005)“…Polar travel has grown dramatically in the last two decades and in recent years has become the focus of academic inquiry. Using a model initially developed for…”
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6
Phosphorus requirements of growing-finishing pigs reared in a commercial environment
Published in Journal of animal science (01-10-2004)“…The objective of this study was to identify available phosphorus (aP) requirements of pigs reared in commercial facilities. In a preliminary study, 600 gilts…”
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7
Effects of computer-based clinical decision support systems on clinician performance and patient outcome : a critical appraisal of research
Published in Annals of internal medicine (15-01-1994)“…To review the evidence from controlled trials of the effects of computer-based clinical decision support systems (CDSSs) on clinician performance and patient…”
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8
Cool runnings: behavioural plasticity and the realised thermal niche of basking sharks
Published in Environmental biology of fishes (01-12-2022)“…Long-distance migrations by marine vertebrates are often triggered by pronounced environmental cues. For the endangered basking shark ( Cetorhinus maximus ),…”
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Effect of numbers of sperm and timing of a single, post-cervical insemination on the fertility of weaned sows treated with OvuGel
Published in Theriogenology (01-04-2017)“…Variability in estrus and ovulation requires multiple inseminations during estrus to ensure one AI occurs close to ovulation. Induction of ovulation after…”
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10
Effect of problem-based, self-directed undergraduate education on life-long learning
Published in Canadian Medical Association journal (CMAJ) (15-03-1993)“…To compare how well graduates of a self-directed, problem-based undergraduate curriculum (at McMaster University [MU], Hamilton, Ont.) and those of a…”
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Effects of estrus synchronization using Matrix® followed by treatment with the GnRH agonist triptorelin to control ovulation in mature gilts
Published in Animal reproduction science (01-10-2017)“…•Interval from last feeding of progestogen to estrus in mature gilts is related to time of ovulation.•Treatment of progestogen synchronized gilts with…”
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12
dietary valine requirement for prolific lactating sows does not exceed the National Research Council estimate
Published in Journal of animal science (01-06-2006)“…Two studies were conducted to determine the effect of increasing the valine:lysine (V:L) ratio in diets of lactating sows above the minimum proposed by the NRC…”
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13
Adventitious root formation in cuttings of Backhousia citriodora F. Muell : 1. Plant genotype, juvenility and characteristics of cuttings
Published in Scientia horticulturae (15-10-2004)“…Backhousia citriodora is a commercially valuable Australian woody species that has a reputation for being recalcitrant in forming adventitious roots from…”
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14
Hematopoietic growth factors in the reduction of chemotherapeutic toxicity
Published in Seminars in oncology (01-10-1998)“…Neutropenia is the most common dose-limiting toxicity of conventional chemotherapy. The colony-stimulating factors (CSFs), granulocyte (G)-CSF and…”
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15
Determination of optimal metallic secondary target thickness, collimation, and exposure parameters for X‐ray tube‐based polarized EDXRF
Published in X-ray spectrometry (01-03-2017)“…Tube‐based‐polarized energy‐dispersive X‐ray fluorescence (EDXRF) is a powerful adaptation on traditional EDXRF, requiring very specific geometry and a…”
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16
NEUDOSE: A CubeSat Mission for Dosimetry of Charged Particles and Neutrons in Low-Earth Orbit
Published in Radiation research (01-01-2017)“…During space missions, astronauts are exposed to a stream of energetic and highly ionizing radiation particles that can suppress immune system function,…”
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Adventitious root formation in cuttings of Backhousia citriodora F. Muell : 2. Seasonal influences of temperature, rainfall, flowering and auxins on the stock plant
Published in Scientia horticulturae (19-11-2004)“…A 2-year study was carried out on established trees at two sites in southeastern Queensland, Australia, to identify environmental factors that influenced…”
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18
Plant growth regulators and flowering of Brunonia and Calandrinia sp
Published in Scientia horticulturae (18-03-2011)“…▶ The effect of photoperiod and plant growth regulators on flowering was evaluated. ▶ Both Brunonia and Calandrinia were facultative LD plants. ▶ Brunonia…”
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Importance of Metabolism in the Development of Salt Marsh Ponds
Published in The Biological bulletin (Lancaster) (01-10-2003)“…Johnston et al presents a study that focuses on pond metabolism, measured by dissolved oxygen changes, as a possible mechanism of marsh pond expansion, as well…”
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Effect of photoperiod and temperature on flowering of Rhodanthe floribunda and Pycnosorus thompsonianus
Published in New Zealand journal of crop and horticultural science (02-10-2015)“…The flowering responses of two Australian native Asteraceae species, Rhodanthe floribunda and Pycnosorus thompsonianus , to photoperiod and temperature were…”
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