نتایج جستجو برای: bedding

تعداد نتایج: 2437  

2016
Qiao Lyu Xinping Long Pathegama Gamage Ranjith Yong Kang Wei-Hsin Chen

An experimental study was performed to investigate the effect of subcritical carbon dioxide (CO2) adsorption on mechanical properties of shales with different coring directions. Uniaxial compressive strength (UCS) tests were conducted on shale samples with different CO2 adsorption time at a pressure of 7 MPa and a temperature of 40 ̋C. The crack propagation and the failure mechanism of shale sa...

Journal: :Journal of microscopy 2017
Carley Gasaway Maria Mastalerz Fed Krause Chris Clarkson Chris Debuhr

Samples of Late Devonian/Early Mississippian New Albany Shale from the Illinois Basin, having maturities ranging from early mature to postmature, were analysed using micro-Fourier transform infrared (FTIR) spectroscopy, ImageJ processing software and scanning electron microscopic X-ray spectroscopy to explore the distribution, connectivity and chemical composition of organic matter, clay minera...

2006
Ester Peeters Bert Driessen Christel P.H. Moons Frank O. Ödberg Rony Geers

The effect of temporary straw bedding for a period of 6, 4, or 2 weeks before slaughter was studied on pigs’ performance, behaviour, cortisol concentration, intermediary metabolism, and meat quality. Pigs were barren housed on slatted concrete floors during growth and allocated to one of following four treatments (T): straw bedding during 6 weeks (6wk), 4 weeks (4wk), 2 weeks (2wk) before slaug...

Journal: :Journal of animal science 2014
D B de Koning E M van Grevenhof B F A Laurenssen P R van Weeren W Hazeleger B Kemp

Osteochondrosis (OC) is a degenerative joint condition developing in a short time frame in young growing gilts that may cause lameness at an older age, affecting welfare and leading to premature culling of breeding sows. Causes of OC are multifactorial including both genetic and environmental factors. Floor type has been suggested to affect OC prevalence and effects might be age dependent durin...

Journal: :Tropical Animal Science Journal 2021

This research’s objectives were to assess the risk factors associated with ovarian disorders in dairy cattle Hanoi Capital, Ha Nam Province, Vinh Phuc and Moc Chau District Son La Province. The diseases evaluated by rectal palpation combined information collected based on questionnaire surveys. Records of feeding management comprising persistent corpus luteum (PCL), cystic disease (COD), inacti...

Journal: :Tijdschrift voor diergeneeskunde 2008
Robin van den Boom Bart Ducro Marianne M Sloet van Oldruitenborgh-Oosterbaan

An Internet-based questionnaire among horse owners was carried out to identify factors affecting the incidence of insect bite hypersensitivity (IBHI) among horses in the Netherlands. Information was obtained for 794 horses of various breeds, but the breed distribution was not representative for the Dutch horse population. Of the horses for which information was available, 56% suffered from IBH ...

Journal: :Acta Geologica Sinica - English Edition 2019

2010
NATHAN HAWLEY Michael Cahen

Flume experiments simulating a 12.5 hour tidal cycle were performed to test the hypothesis that flaser and wavy bedding can be produced in shallow subtidal areas by tidal activity. The effects of clay composition, sand size, total amount of sediment deposited, compaction time, and peak current velocity were investigated. It was found that the resistance of a recently-deposited mud bed to subseq...

2005
A. A. Woodcock N. Steel C. B. Moore S. J. Howard A. Custovic D. W. Denning

Asthma prevalence has increased progressively over the past three decades in the UK. Numerous theories have been promulgated including the hygiene hypothesis, additional exposure to house dust mite etc., none of which have been substantiated on detailed study. An association with fungal exposure is less well studied. It is often assumed that such exposures generally occur outside, apart from mo...

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