Results 121 to 130 of about 296,059 (170)
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The Journal of Bone & Joint Surgery, 1977
Scoliosis developed in 55 per cent of sexually mature birds (68 per cent of male and 46 per cent of female birds) in a highly inbred line of chickens originally produced from white Leghorns. The curve could first be detected at five to six weeks of age and progressed until spontaneous fusion of the thoracic vertebrae occurred. Studies of these chickens
R S, Riggins +4 more
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Scoliosis developed in 55 per cent of sexually mature birds (68 per cent of male and 46 per cent of female birds) in a highly inbred line of chickens originally produced from white Leghorns. The curve could first be detected at five to six weeks of age and progressed until spontaneous fusion of the thoracic vertebrae occurred. Studies of these chickens
R S, Riggins +4 more
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American Journal of Physiology-Legacy Content, 1957
Aphagic chickens have been produced with electrolytic lesions placed stereotaxically in the diencephalon. These chickens were maintained by introducing food into their crops through a tube. They were inactive and lost much of the ‘nervous’ temperament of White Leghorn chickens.
S E, FELDMAN +3 more
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Aphagic chickens have been produced with electrolytic lesions placed stereotaxically in the diencephalon. These chickens were maintained by introducing food into their crops through a tube. They were inactive and lost much of the ‘nervous’ temperament of White Leghorn chickens.
S E, FELDMAN +3 more
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Computer, 2011
As with all engineering problems, we need to balance the twin factors of stability and control and do so in a way that doesn't damage either of them. This article is also available through David Alan Grier's blog, The Known World (http://www.computer.org/theknownworld).
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As with all engineering problems, we need to balance the twin factors of stability and control and do so in a way that doesn't damage either of them. This article is also available through David Alan Grier's blog, The Known World (http://www.computer.org/theknownworld).
openaire +1 more source
The Journal of Parasitology, 1966
Pools of tissues from the ovaries and oviducts of apparently healthy hens, obtained at a poultry processing plant, were examined for Toxoplasma gondii cysts by the digestion-inoculation technique. Each pool contained organs from ten birds. Twelve pools of a total of 62 were found positive.
L, Jacobs, M L, Melton
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Pools of tissues from the ovaries and oviducts of apparently healthy hens, obtained at a poultry processing plant, were examined for Toxoplasma gondii cysts by the digestion-inoculation technique. Each pool contained organs from ten birds. Twelve pools of a total of 62 were found positive.
L, Jacobs, M L, Melton
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2006
The chicken has long been an important model organism for developmental biology, as well as a major source of protein with billions of birds used in meat and egg production each year. Chicken genomics has been transformed in recent years, with the characterisation of large EST collections and most recently with the assembly of the chicken genome ...
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The chicken has long been an important model organism for developmental biology, as well as a major source of protein with billions of birds used in meat and egg production each year. Chicken genomics has been transformed in recent years, with the characterisation of large EST collections and most recently with the assembly of the chicken genome ...
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Chicken Monster or Chicken Little?
Science, 2006The Monster at Our Door . The Global Threat of Avian Flu. By Mike Davis . New Press, New York, 2005. 220 pp. $21.95, C$26.95, €12.99. ISBN 1-59558-011-5. The author summarizes the evolution of H5N1 and related viruses and discusses factors---burgeoning slums, agribusiness, fast-food ...
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The Autopsy of Chicken Nuggets Reads “Chicken Little”
The American Journal of Medicine, 2013To determine the contents of chicken nuggets from 2 national food chains.Chicken nuggets have become a major component of the American diet. We sought to determine the current composition of this highly processed food.Randomly selected nuggets from 2 different national fast food chains were fixed in formalin, sectioned and stained for microscopic ...
Richard D, deShazo +2 more
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Pathogenicity of chicken anaemia agent in bursectomised chickens
Avian Pathology, 1988Bursectomised (Bx) chickens, but not intact chickens, developed anaemia when inoculated with chicken anaemia agent (CAA) at 2 weeks of age. No antibodies against CAA were produced in the Bx chickens and CAA was persistently recovered from them. In contrast, CAA disappeared from the intact chickens with the development of high titres of antibody. It was
N, Yuasa, K, Imai, K, Nakamura
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Experimental infection of chicken embryos and day‐old chickens with parvovirus of chicken origin
Avian Pathology, 1985Specific pathogen free (SPF) White Leghorn chicken embryos and day-old chickens and day-old commercial broiler chickens were infected with a parvovirus (strain ABU) isolated from chickens with stunted growth. As a result, egg hatchability was significantly decreased and hatched chickens had enteritis and low vitality.
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The Kinetics of the Conversion of Chicken Pepsinogen to Chicken Pepsin
European Journal of Biochemistry, 1973The kinetics of the conversion of chicken pepsinogen to chicken pepsin was studied at 25°C by following the appearance of peptic activity using a pH‐static method and by following the changes in the fluorescence emission of the protein. It was found that in pH range of 2–4 both processes were first‐order reactions, and that the change in fluorescence ...
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