The C and D Blood Group Systems in the Chicken

Briles, W. E.; Briles, C. O.; Quisenberry, J. H.

doi:10.3382/ps.0421096

Cited by 22 publications

(5 citation statements)

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“…The two lines were shown to possess A and E (abbreviations of Ea-A and Ea-E) alloantigen alleles linked in distinctly different AE haplotypes (Johnson and Edgar, 1984). In the present work employing similarly abbreviated nomenclature, lines R and S were found to differ widely also in the B and C alloantigen systems originally described by Briles et al (1950Briles et al ( , 1963). …”

Section: Introductionmentioning

confidence: 76%

Ea-B and Ea-C Cellular Antigen Genes in Leghorn Lines Resistant and Susceptible to Acute Cecal Coccidiosis ,

Johnson

Edgar

1986

Poultry Science

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Alloantigen genes B and C of respective loci Ea-B, the major histocompatibility complex (MHC) of chickens, and Ea-C were detected in Leghorn lines R and S selected from common ancestry for resistance and susceptibility to acute cecal coccidiosis, Eimeria tenella (ACC). The lines share genes B2 and C1; R line has B5, Br, and C4, and S line has B1, B3, B4, B6, C2, and C3. Haplotype Br is an apparent recombinant of B2 and B5, possibly F2G2-5. Expression of the F2G2- region of B2 and Br is strong in graft-vs.-host reactions but weak on erythrocytes; in contrast, that of F5G5- of B5 is reduced in graft-vs.-host reactions but strong on erythrocytes. Extinction of B4 in R line and B5 in S line occurred in the last stages of selection, and the frequency of B5 in R line increased as a result of intensification of selection pressure for resistance to coccidiosis. The respective C genes of highest frequency in lines R and S are C1 and C3. The latter is a probable recombinant of C1 and C2. Evidence of roles of the B and C systems in resistance and previous similar evidence for the AE system indicates that genes other than the chicken MHC have measurable effects on infectious diseases.

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Section: Introductionmentioning

confidence: 76%

Ea-B and Ea-C Cellular Antigen Genes in Leghorn Lines Resistant and Susceptible to Acute Cecal Coccidiosis ,

Johnson

Edgar

1986

Poultry Science

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“…Thus, changes in the frequencies of MHC haplotypes in populations undergoing selective breeding may be related to the breeding objectives (i.e., quantitative traits). The present study provides information on the relationship between production traits and B (MHC) and C system alloantigen genotypes (Briles et al, 1963) in White Plymouth Rock chickens undergoing divergent selection for high and low juvenile BW and in subpopulations under relaxed selection (B system only).…”

Section: Introductionmentioning

confidence: 99%

Selection for Body Weight at Eight Weeks of Age.

Boa-Amponsem

Briles

et al. 1992

Poultry Science

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The current study evaluated influence of genotypes of the B and C alloantigen systems on production traits in lines of White Plymouth Rock chickens. Lines had been selected previously for high (HWS) or low (LWS) 8-wk BW and after 27 generations of selection, a random sample of each selected line was used to initiate subpopulations in which selection was relaxed. For the present study, blood typing was used to identify allelic frequencies for the B and C systems for five consecutive generations of selection (Generations 30 through 34) and three consecutive generations of relaxation (Generations 5 through 7). Haplotypes for the B complex were assigned designations B32, B33, B34, and B35 and alleles of the C system were assigned C8, C9, C10, and C11. Production traits for males were BW at 4 and 8 wk of age, and for females were BW at 4, 8, and 38 wk of age, age and BW at production of first egg, percentage of normal eggs, and percentage of normal hen-day egg production. There were no differences in production traits among B genotypes or among C genotypes, although some time trends in gene frequencies suggested that more subtle effects may be present.

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“…periments performed is presented in Table 1. were therefore presumed to correspond to the systems determined by Briles (1951Briles ( , 1958, Briles et al (1950aBriles et al ( , 1950b and Gilmour (1959). The blood typing procedure and immunization techniques have been described previously (Schierman, 1961).…”

Section: Graft-versus-host Reactionmentioning

confidence: 99%

Genetic analysis of transplantation immunity in the fowl

Schierman

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The C and D Blood Group Systems in the Chicken

Cited by 22 publications

References 1 publication

Ea-B and Ea-C Cellular Antigen Genes in Leghorn Lines Resistant and Susceptible to Acute Cecal Coccidiosis ,

Ea-B and Ea-C Cellular Antigen Genes in Leghorn Lines Resistant and Susceptible to Acute Cecal Coccidiosis ,

Selection for Body Weight at Eight Weeks of Age.

Genetic analysis of transplantation immunity in the fowl

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