Results 211 to 220 of about 26,181 (268)
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DUCK PLAGUE IN GNOTOBIOTIC DUCKS
Journal of Wildlife Diseases, 1976Four-week-old gnotobiotic and conventional ducks were inoculated orally with duck plague virus. Both groups of ducks died on the third and fourth day after inoculation. Gross and microscopic lesions of duck plague were similar in gnotobiotic and conventional ducks, indicating the synergistic action of species of Salmonella and Pasteurella was not ...
S J, Proctor, P J, Matthews, J P, Kluge
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Physics World, 2020
For a book, to quote from its subtitle, "exploring the mysteries of our universe's first seconds", US cosmologist and particle physicist Dan Hooper's At the Edge of Time has as much of an eye on the future of cosmology (and the potential of upcoming projects such as LISA) as it does on the most distant of pasts.
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For a book, to quote from its subtitle, "exploring the mysteries of our universe's first seconds", US cosmologist and particle physicist Dan Hooper's At the Edge of Time has as much of an eye on the future of cosmology (and the potential of upcoming projects such as LISA) as it does on the most distant of pasts.
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Avian Diseases, 1984
The fungal disease zygomycosis was diagnosed in the thoracic cavity of two 7-weeks-old ducks. In the first case, the diagnosis was based on examination of granulomas that were found to contain fungal hyphae characteristics of zygomycetes. The second case was diagnosed using similar criteria along with the subsequent culture of Mucor sp. from the lesion.
P C, McCaskey, K A, Langheinrich
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The fungal disease zygomycosis was diagnosed in the thoracic cavity of two 7-weeks-old ducks. In the first case, the diagnosis was based on examination of granulomas that were found to contain fungal hyphae characteristics of zygomycetes. The second case was diagnosed using similar criteria along with the subsequent culture of Mucor sp. from the lesion.
P C, McCaskey, K A, Langheinrich
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Pediatrics, 2003
To the Editor .— Given the legacy of failure they inherited, Ginsburg and colleagues1 are to be congratulated for asking a group of urban adolescents what “factors they believe would make the most difference in influencing whether they would have a positive future.” Although I and the prevention research literature generally agree with their overall ...
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To the Editor .— Given the legacy of failure they inherited, Ginsburg and colleagues1 are to be congratulated for asking a group of urban adolescents what “factors they believe would make the most difference in influencing whether they would have a positive future.” Although I and the prevention research literature generally agree with their overall ...
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Zentralblatt für Veterinärmedizin Reihe A, 2010
The anatomical characteristics of the heart of the duck are described and illustrated. The gross characteristics are similar to those in the mammal. It differs, however, from the mammalian heart in that there is only one valve cusp in the right atrioventricular orifice. This cusp is formed by an infolding of the walls of the right ventricle and atrium,
R H, Rigdon, J, Frölich
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The anatomical characteristics of the heart of the duck are described and illustrated. The gross characteristics are similar to those in the mammal. It differs, however, from the mammalian heart in that there is only one valve cusp in the right atrioventricular orifice. This cusp is formed by an infolding of the walls of the right ventricle and atrium,
R H, Rigdon, J, Frölich
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Effects of methyl parathion in ducks and duck broods
Environmental Toxicology and Chemistry, 1988Abstract Nesting ducks (mallards, blue-winged teal, cinnamon teal and wood ducks) were trapped, equipped with radio transmitters and released on two agricultural fields, both of which were bordered by waterways. One field was aerially treated with methyl parathion at the rate of 1.4 kg active ingredient (a.i.)/ha and the second field was
Larry W. Brewer +4 more
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Zentralblatt für Veterinärmedizin Reihe A, 2010
Summary Scoliosis is a genetic defect occurring in the white Pekin duck. It results from an abnormal growth of individual vertebrae. Curvature of the spine is not obvious at the time of hatching, but histological evidence of portions of the notochord is present and this is associated with an abnormal growth of the vertebrae. Scoliosis may be grossly
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Summary Scoliosis is a genetic defect occurring in the white Pekin duck. It results from an abnormal growth of individual vertebrae. Curvature of the spine is not obvious at the time of hatching, but histological evidence of portions of the notochord is present and this is associated with an abnormal growth of the vertebrae. Scoliosis may be grossly
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If It Looks Like a Duck and Quacks Like a Duck …
Oncology Nursing Forum, 2014Be suspicious of emails soliciting papers from you if you do not know the editor who is requesting the article. If the message is effusively complimentary and offers rapid turnaround times for publication, be more suspicious.
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Effect of muscle fiber characteristics on meat quality in fast- and slow-growing ducks
Poultry Science, 2021Weiran Huo, Tiantian Gu, Guohong Chen
exaly