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Ning Yang - One of the best experts on this subject based on the ideXlab platform.

  • Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    BMC genetics, 2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Earlobe color is a naturally and artificially selected trait in chicken. As a head furnishing trait, it has been selected as a breed characteristic. Research has demonstrated that white/Red earlobe color was related to at least three loci and sex-linked. However, there has been little work to date to identify the specific genomic regions and genes response to earlobe color in Rhode Island Red chickens. Currently, it is possible to identify the genomic regions responsible for white/Red earlobe in Rhode Island Red chicken to eliminate this gap in knowledge by using genome-wide association (GWA) analysis. In the present study, genome-wide association (GWA) analysis was conducted to explore the candidate genomic regions response to chicken earlobe color phenotype. Hens with Red dominant and white dominant earlobe was used for case-control analysis by Illumina 600 K SNP arrays. The GWA results showed that 2.38 Mb genomic region (50.13 to 52.51 Mb) with 282 SNPs on chromosome Z were significantly correlated to earlobe color, including sixteen known genes and seven anonymous genes. The sixteen genes were PAM, SLCO4C1, ST8SIA4, FAM174A, CHD1, RGMB, RIOK2, LIX1, LNPEP, SHB, RNF38, TRIM14, NANS, CLTA, GNE, and CPLX1. The study has revealed the white/Red earlobe trait is polygenic and sex-linked in Rhode Island Red chickens. In the genome significant ~2.38 Mb region, twenty-three genes were found and some of them could play critical roles in the formation of white/Red earlobe color, especially gene SLCO4C1. Taken together, the candidate genes findings herein can help elucidate the genomic architecture of response to white/Red earlobe and provide a new insight on mechanisms underlying earlobe color in Rhode Island Red chickens and other breeds.

  • genome wide association study revealed genomic regions related to white Red earlobe color trait in the Rhode Island Red chickens
    BMC Genetics, 2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Earlobe color is a naturally and artificially selected trait in chicken. As a head furnishing trait, it has been selected as a breed characteristic. Research has demonstrated that white/Red earlobe color was related to at least three loci and sex-linked. However, there has been little work to date to identify the specific genomic regions and genes response to earlobe color in Rhode Island Red chickens. Currently, it is possible to identify the genomic regions responsible for white/Red earlobe in Rhode Island Red chicken to eliminate this gap in knowledge by using genome-wide association (GWA) analysis. In the present study, genome-wide association (GWA) analysis was conducted to explore the candidate genomic regions response to chicken earlobe color phenotype. Hens with Red dominant and white dominant earlobe was used for case-control analysis by Illumina 600 K SNP arrays. The GWA results showed that 2.38 Mb genomic region (50.13 to 52.51 Mb) with 282 SNPs on chromosome Z were significantly correlated to earlobe color, including sixteen known genes and seven anonymous genes. The sixteen genes were PAM, SLCO4C1, ST8SIA4, FAM174A, CHD1, RGMB, RIOK2, LIX1, LNPEP, SHB, RNF38, TRIM14, NANS, CLTA, GNE, and CPLX1. The study has revealed the white/Red earlobe trait is polygenic and sex-linked in Rhode Island Red chickens. In the genome significant ~2.38 Mb region, twenty-three genes were found and some of them could play critical roles in the formation of white/Red earlobe color, especially gene SLCO4C1. Taken together, the candidate genes findings herein can help elucidate the genomic architecture of response to white/Red earlobe and provide a new insight on mechanisms underlying earlobe color in Rhode Island Red chickens and other breeds.

  • Additional file 4: Table S2. of Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Suggestive SNPs associated with the earlobe color phenotype in Rhode Island Red chickens. (DOC 240 kb

  • Additional file 5: Figure S3. of Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Rhode Island Red chicken hens with different earlobe color. (a) Red earlobe chicken, (b) pRedominately Red earlobe chicken, (c) pRedominately white earlobe chicken, (d) white earlobe chicken. (JPG 131 kb

Changsheng Nie - One of the best experts on this subject based on the ideXlab platform.

Zhonghua Ning - One of the best experts on this subject based on the ideXlab platform.

Anil K. Mishra - One of the best experts on this subject based on the ideXlab platform.

  • Characterization of Production and Reproduction Performances in Rhode Island Red-White Strain Chicken
    Iranian Journal of Applied Animal Science, 2016
    Co-Authors: Ananta Kumar Das, Sanjeev Kumar, Abdul Rahim, Anil K. Mishra
    Abstract:

    This study aimed to characterize production and reproduction performances in Rhode Island Red-White strain chicken developed and maintained at the Central Avian Research Institute, Izatnagar. Three hundRed and forty six fertile eggs were set in automated electric incubation and 234 chicks were investigated in three hatches. The performance data was analyzed by least squares analysis of variance. The percent differences in fertility, hatchability and mortality among different hatches were assessed by the normal deviate test. Percent fertility, total egg set and fertile egg set basis hatchability, chick mortality and least squares means of chick weight, body weights, sexual maturity, egg weights and part period egg production were estimated. The different hatch significantly (P˂0.05) influenced the estimates of the fertility, total egg set basis hatchability, chick weight to housing weight, sexual maturity, egg production and mortality at younger age. The sex of the chicks also affected (P˂0.05) the estimates of the body weights at eight week onwards. The significant regression effect of the chick weight was demonstrated on the body weights at first to twelfth week of age. The chick weight demonstrated a positive association with the sexual maturity and various body weight and egg weight estimates with a low to high phenotypic correlation coefficients; but a negative association with the egg production. The light weighed pullets would face delayed sexual maturity, which would again provoke lower egg weight and production. These phenomics might serve as strain characteristics of this rare strain of Rhode Island Red (RIR) chicken.

  • Genetic parameters of some layer performance traits in a control line of Rhode Island Red chicken
    Indian Journal of Poultry Science, 2016
    Co-Authors: Ananta Kumar Das, Sanjeev Kumar, Abdul Rahim, Anil K. Mishra
    Abstract:

    The study aimed to assess genetics of some layer performance traits in a control line of Rhode Island Red (RIR) chicken maintained at Central Avian Research Institute, Izatnagar. A total of 193 pedigreed pullet progenies of 30 sires mated with 41 dams in two hatches were investigated. Data were analyzed by least squares analysis of variance, and heritability and correlation parameters of different traits were estimated using full-sib correlation method. The least squares means of age at first egg, body weights at 20th and 40th week, egg weights at 28th and 40th week and part period egg production upto 40 weeks of age were estimated. Sires significantly (P

  • genetic parameters of some layer performance traits in a control line of Rhode Island Red chicken
    Indian journal of poultry science, 2016
    Co-Authors: Ananta Kumar Das, Sanjeev Kumar, Abdul Rahim, Anil K. Mishra
    Abstract:

    The study aimed to assess genetics of some layer performance traits in a control line of Rhode Island Red (RIR) chicken maintained at Central Avian Research Institute, Izatnagar. A total of 193 pedigreed pullet progenies of 30 sires mated with 41 dams in two hatches were investigated. Data were analyzed by least squares analysis of variance, and heritability and correlation parameters of different traits were estimated using full-sib correlation method. The least squares means of age at first egg, body weights at 20th and 40th week, egg weights at 28th and 40th week and part period egg production upto 40 weeks of age were estimated. Sires significantly (P<0.05) affected the estimates of body weights, but dam within sire could not affect (P<0.05) any estimate. Hatch influenced (P<0.05) the estimates of age at first egg and body weight at 40th week of age. Birds’ housing weight demonstrated significant regression effect on the estimates of age at first egg, body weight and egg weight at 40th week of age. The heritability estimates from sire component of variance of the traits ranged from 0.018 to 0.438. Corresponding estimates from dam component and sire plus dam component ranged from 0.060 to 0.643 and 0.102 to 0.355. The genetic and phenotypic correlations among the traits were low to high in magnitude when estimated from sire plus dam component. The investigation generated some valuable genetic information of layer performances which might be used as the pre-requisites for chalking out of breeding strategies for its genetic improvement.

  • Association study of some immunological traits with layer performances in Rhode Island Red chicken lines
    Indian Journal of Animal Sciences, 2015
    Co-Authors: Ananta Kumar Das, Sanjeev Kumar, Abdul Rahim, Laxmikant Sambhaji Kokate, Anil K. Mishra
    Abstract:

    This investigation aimed to study association of some immunological traits with layer performances in Rhode Island Red (RIR) chicken lines at experimental layer farm of this institute. Five to six weeks aged pedigreed RIR chicks of selected and control lines were immunized against 1% (v/v) sterile sheep erythrocytes suspension (SRBC) to assess humoral immune response through haemagglutination (HA) test. Serum lysozyme and immunoglobulin- G (IgG) concentrations were estimated through agarose lysoplate and single radial immunodiffusion assays. HA titre, serum lysozyme and IgG concentrations were classified in high, medium and low levels based on their means and standard deviations. Layer performance data under various immunocompetence levels were analyzed by least squares analysis of variance. Pullets having high HA titre and serum IgG levels laid heavier eggs at 40th week of age than those with medium or low levels of HA titre and serum IgG in the selected line. Again, hens of the selected line containing high and medium serum IgG levels also laid heavier eggs at 28th week than those with low IgG level. Birds of the control line containing high serum IgG level had heavier body weights at 20th week of age than those with medium IgG level. This generated some valuable information that might be used in the genetic improvement programme of the chicken production and protection status.

  • Genetic Variability in Immunocompetence and Performance Status of Rhode Island Red Chicken Strains and its Crosses
    International Journal of Bio-resource and Stress Management, 2014
    Co-Authors: Ananta Kumar Das, Sanjeev Kumar, Abdul Rahim, Anil K. Mishra
    Abstract:

    The present investigation envisaged to assess genetic variability in immunocompetence and performance traits in three pure strains of Rhode Island Red (RIR) chicken, viz. RIRS, RIRC & RIRW, and its two crosses, viz. CARI-Sonali and CARI-Debendra. A total of 3232, 1263, 346, 1278 and 1258 eggs of RIRS, RIRC, RIRW, CARI-Sonali and CARI-Debendra, were set in three hatches for performance evaluation. Single hatched out 74, 74, 72, 82 and 81 chicks of corresponding genotypes were investigated for immunocompetence status assessed through haemagglutination (HA) test, Lysoplate Assay and Single Radial Immunodiffusion assay. The data on various immunocompetence and performance traits was recorded and analyzed by least squares analysis of variance. The investigation summarized that pure strains demonstrated better immunocompetence than crosses. RIRW demonstrated highest percent fertility followed by RIRC, RIRS, CARI-Sonali and CARI-Debendra. Highest percent hatchability on total egg set basis was observed in RIRC, whereas CARI-Debendra demonstrated highest percent hatchability on fertile egg set basis. CARI-Debendra demonstrated higher body weights than CARI-Sonali followed by RIRS, RIRW and RIRC strains. CARI-Sonali pullets demonstrated (p RIRW=CARI-Debendra>RIRC. There had been significant genotype×sex interaction effect on body weights at 2nd, 8th week and onwards. At 2nd week of age, CARI-Debendra-female showed highest body weight but subsequently CARI-Debendra-males were the heaviest. Effects of hatch, sex and chick weight-regression on growth traits as well as of hatch and housing weight-regression on layer production traits were significant. Crosses demonstrated least percent mortality than pure strains during brooding but reverse in laying stage.

Hongyan Sun - One of the best experts on this subject based on the ideXlab platform.

  • Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    BMC genetics, 2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Earlobe color is a naturally and artificially selected trait in chicken. As a head furnishing trait, it has been selected as a breed characteristic. Research has demonstrated that white/Red earlobe color was related to at least three loci and sex-linked. However, there has been little work to date to identify the specific genomic regions and genes response to earlobe color in Rhode Island Red chickens. Currently, it is possible to identify the genomic regions responsible for white/Red earlobe in Rhode Island Red chicken to eliminate this gap in knowledge by using genome-wide association (GWA) analysis. In the present study, genome-wide association (GWA) analysis was conducted to explore the candidate genomic regions response to chicken earlobe color phenotype. Hens with Red dominant and white dominant earlobe was used for case-control analysis by Illumina 600 K SNP arrays. The GWA results showed that 2.38 Mb genomic region (50.13 to 52.51 Mb) with 282 SNPs on chromosome Z were significantly correlated to earlobe color, including sixteen known genes and seven anonymous genes. The sixteen genes were PAM, SLCO4C1, ST8SIA4, FAM174A, CHD1, RGMB, RIOK2, LIX1, LNPEP, SHB, RNF38, TRIM14, NANS, CLTA, GNE, and CPLX1. The study has revealed the white/Red earlobe trait is polygenic and sex-linked in Rhode Island Red chickens. In the genome significant ~2.38 Mb region, twenty-three genes were found and some of them could play critical roles in the formation of white/Red earlobe color, especially gene SLCO4C1. Taken together, the candidate genes findings herein can help elucidate the genomic architecture of response to white/Red earlobe and provide a new insight on mechanisms underlying earlobe color in Rhode Island Red chickens and other breeds.

  • genome wide association study revealed genomic regions related to white Red earlobe color trait in the Rhode Island Red chickens
    BMC Genetics, 2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Earlobe color is a naturally and artificially selected trait in chicken. As a head furnishing trait, it has been selected as a breed characteristic. Research has demonstrated that white/Red earlobe color was related to at least three loci and sex-linked. However, there has been little work to date to identify the specific genomic regions and genes response to earlobe color in Rhode Island Red chickens. Currently, it is possible to identify the genomic regions responsible for white/Red earlobe in Rhode Island Red chicken to eliminate this gap in knowledge by using genome-wide association (GWA) analysis. In the present study, genome-wide association (GWA) analysis was conducted to explore the candidate genomic regions response to chicken earlobe color phenotype. Hens with Red dominant and white dominant earlobe was used for case-control analysis by Illumina 600 K SNP arrays. The GWA results showed that 2.38 Mb genomic region (50.13 to 52.51 Mb) with 282 SNPs on chromosome Z were significantly correlated to earlobe color, including sixteen known genes and seven anonymous genes. The sixteen genes were PAM, SLCO4C1, ST8SIA4, FAM174A, CHD1, RGMB, RIOK2, LIX1, LNPEP, SHB, RNF38, TRIM14, NANS, CLTA, GNE, and CPLX1. The study has revealed the white/Red earlobe trait is polygenic and sex-linked in Rhode Island Red chickens. In the genome significant ~2.38 Mb region, twenty-three genes were found and some of them could play critical roles in the formation of white/Red earlobe color, especially gene SLCO4C1. Taken together, the candidate genes findings herein can help elucidate the genomic architecture of response to white/Red earlobe and provide a new insight on mechanisms underlying earlobe color in Rhode Island Red chickens and other breeds.

  • Additional file 4: Table S2. of Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Suggestive SNPs associated with the earlobe color phenotype in Rhode Island Red chickens. (DOC 240 kb

  • Additional file 5: Figure S3. of Genome-wide association study revealed genomic regions related to white/Red earlobe color trait in the Rhode Island Red chickens
    2016
    Co-Authors: Changsheng Nie, Zhonghua Ning, Zebin Zhang, Jiangxia Zheng, Hongyan Sun, Ning Yang
    Abstract:

    Rhode Island Red chicken hens with different earlobe color. (a) Red earlobe chicken, (b) pRedominately Red earlobe chicken, (c) pRedominately white earlobe chicken, (d) white earlobe chicken. (JPG 131 kb