Search Results - "Dunnington, E.A"

Phenotypic responses of chickens to long-term, bidirectional selection for juvenile body weight--historical perspective by Dunnington, E A, Honaker, C F, McGilliard, M L, Siegel, P B

“…A long-term selection experiment for high (HWS) and low (LWS) BW at 8 wk of age (BW8) was conducted in White Plymouth Rock chickens. Over 54 generations of…”
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Long-term divergent selection for eight-week body weight in white Plymouth rock chickens by Dunnington, E A, Siegel, P B

“…This paper provides an overview of results from a long-term (38 generations) selection experiment. Lines were developed from individual phenotypic selection…”
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Enzyme activity and organ development in newly hatched chicks selected for high or low eight-week body weight by Dunnington, E A, Siegel, P B

“…Cockerels from lines of White Plymouth Rock chickens selected for 33 generations for high (HW) or low (LW) 8-wk BW were used in this experiment. Either Diet A…”
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Correlated responses to long-term divergent selection for eight-week body weight in chickens: growth, sexual maturity, and egg production by Liu, G, Dunnington, E A, Siegel, P B

“…Thirty-six generations of divergent selection for BW at 8 wk of age (BW8) resulted in approximately an eightfold difference between the high (HWS) and low…”
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Comparison of growth curves of weight selected populations of turkeys, quail, and chickens by Anthony, N B, Emmerson, D A, Nestor, K E, Bacon, W L, Siegel, P B, Dunnington, E A

“…The pattern of growth from hatch to sexual maturity was measured in quail, chicken, and turkey females using the Gompertz equation. Quails and chickens were…”
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Feeding regimen by sire family interactions on growth, immunocompetence, and disease resistance in chickens by Praharaj, N.K. (Virginia Polytechnic Institute and State University, Blacksburg, VA.), Gross, W.B, Dunnington, E.A, Siegel, P.B

“…Progeny from matings of 12 sires from a White Plymouth Rock line selected for high juvenile BW and 96 dams from a White Leghorn line selected for low antibody…”
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Tissue-Specific Alterations in Insulin-like Growth Factor-I Concentrations in Response to 3,3′,5-Triiodo-l-thyronine Supplementation in the Growth Hormone Receptor-Deficient Sex-Linked Dwarf Chicken by Vasilatos-Younken, R., Dunnington, E.A., Siegel, P.B., McMurtry, J.P.

“…Insulin-like growth factor-I (IGF-I) mediates many of the effects of growth hormone (GH). The regulation of IGF-I, independent of GH, is methodologically…”
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Forty generations of bidirectional selection for mating frequency in male Japanese quail by Yang, N, Dunnington, E A, Siegel, P B

“…A bidirectional replicated selection experiment for high (H1 and H2) or low (L1 and L2) cumulative number of complete matings (CNCM) in male Japanese quail was…”
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Effects of dietary taurine on growth and Escherichia coli resistance in chickens by Dunnington, E.A. (Virginia Polytechnic Institute and State University, Blacksburg, VA.), Siegel, P.B, Stewart, K.K

“…White Leghorn chicks selected for either high (HA) or low (LA) antibody response to SRBC were used in two experiments to ascertain the effects of differing…”
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Responses to long-term divergent selection for eight-week body weight in chickens by Liu, G, Dunnington, E A, Siegel, P B

“…Thirty-six generations of divergent selection for body weight at 8 wk of age resulted in approximately an eightfold difference between the high (HWS) and low…”
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Production traits and alloantigen systems in lines of chickens selected for high or low antibody responses to sheep erythrocytes by Martin, A, Dunnington, E A, Gross, W B, Briles, W E, Briles, R W, Siegel, P B

“…The selection of chickens for high (HA) and for low (LA) antibody titers to sheep erythrocytes has produced differences in the selected trait and in the…”
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Growth, immunoresponsiveness, and disease resistance of diverse stocks of chickens reared under two nutritional regimens by Praharaj, N K, Dunnington, E A, Siegel, P B

“…Growth, immunocompetence, and disease resistance were measured in a commercial broiler stock (BC), a commercial white-egg-layer stock (LC), and a White…”
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Relationships among age of dam, egg components, embryo lipid transfer, and hatchability of broiler breeder eggs by O'Sullivan, N P, Dunnington, E A, Siegel, P B

“…Fertility, hatchability, and their relationships to age of dam, egg components, embryo growth, and embryo lipid transfer were studied in a broiler breeder line…”
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Mode of inheritance of unselected traits in lines of chickens selected for high or low antibody response to sheep red blood cells. 1. Resistance to marble spleen disease virus and juvenile body weight by Boa-Amponsem, K. (Virginia Tech, Blacksburg, VA.), Larsen, C.T, Dunnington, E.A, Price, S.E.H, Yang, A, Siegel, P.B

“…Two lines of White Leghorns that had undergone long-term selection for high (HH) or low (LL) antibody response to sheep red blood cell antigen(s) formed the…”
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Genetic diversity among commercial chicken populations estimated from DNA fingerprints by Dunnington, E A, Stallard, L C, Hillel, J, Siegel, P B

“…Blood samples were obtained from parental pure lines representing a large majority of commercial meat-type (broiler) and white egg layer lines presently…”
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Inheritance of antibody response to sheep erythrocytes in lines of chickens divergently selected for fifty-six-day body weight and their crosses by Miller, L L, Siegel, P B, Dunnington, E A

“…Experiments were conducted to determine the principal mode of inheritance for antibody response to SRBC in selected populations of chickens and their crosses…”
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Immunoresponsiveness in chickens: association of antibody production and the B system of the major histocompatibility complex by Dunnington, E.A. (Virginia Tech, Blacksburg, VA.), Briles, W.E, Briles, R.W, Siegel, P.B

“…Lines of White Leghorn chickens were selected for high or low antibody response to sheep erythrocytes for five generations. The base population from which the…”
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Antibody responses to combinations of antigens in white Leghorn chickens of different background genomes and major histocompatibility complex genotypes by Dunnington, E A, Larsen, C T, Gross, W B, Siegel, P B

“…Antibody responses in chickens to SRBC, Newcastle disease (NDV), and Brucella abortus (BA) were compared when given singly or in combination. Chickens used in…”
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Heterosis and DNA fingerprinting in chickens by Haberfeld, A. (Agricultural Research Organization, Bet Dagan.), Dunnington, E.A, Siegel, P.B, Hillel, J

“…Enhancement of performance in traits of economic importance by use of heterosis (hybrid vigor) is routine in poultry breeding. There is, however, no reliable…”
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Mode of inheritance of unselected traits in lines of chickens selected for high or low antibody response to sheep red blood cells. 2. Heterophils, lymphocytes, and hematocrits by Yang, A. (Virginia Tech, Blacksburg, VA.), Boa-Amponsem, K, Price, S.E.H, Dunnington, E.A, Siegel, P.B

“…The nuclear lines for this experiment were White Leghorns that had undergone long-term selection for high (HH) or low (LL) antibody response to sheep red blood…”
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