Found 43 results
Filters: Author is Piter Bijma  [Clear All Filters]
2018
P. Duenk, Calus, M. P. L., Wientjes, Y. C. J., Breen, V., Henshall, J. M., Hawken, R., and Bijma, P., Accuracy of genomic estimated breeding values for crossbred body weight in broilers using a purebred or crossbred reference population, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Methods and Tools - Prediction 3, p. 220, 2018. (799.41 KB)
K. Janssen, Saatkamp, H., Bijma, P., de Jong, M., and Komen, H., The economic value of R0 for macroparasitic diseases, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic gain - Breeding Objectives and Economics of Selection Schemes 2, p. 1021, 2018. (313.91 KB)
H. P. Doekes, Veerkamp, R. F., Hiemstra, S. J., Bijma, P., van der Beek, S., and Windig, J. J., Genomic selection and inbreeding and kinship in Dutch-Flemish Holstein Friesian cattle, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Theory to Application 2, p. 90, 2018. (559.18 KB)
P. Bijma, Wientjes, Y. C. J., and Calus, M. P. L., Increasing genetic gain by selecting for higher Mendelian sampling variance, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic Gain - Breeding Strategies 2, p. 47, 2018. (365.29 KB)
M. Heidaritabar, Bijma, P., Janss, L., Bortoluzzi, C., Nielsen, H. Marie, Ask, B., and Christensen, O. Fredslund, Models with indirect genetic effects depending on group sizes - A simulation study assessing the precision of the estimates of the dilution, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Biology - Behaviour, p. 38, 2018. (124.38 KB)
Y. C. J. Wientjes, Calus, M. P. L., Vandenplas, J., Duenk, P., and Bijma, P., A multi-population genomic relationship matrix to estimate the genetic correlation between populations, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Methods and Tools - Models and Computing Strategies 2, p. 30, 2018. (1.25 MB)
E. W. Brascamp, Wientjes, Y. C. J., Wanders, T. H. V., and Bijma, P., Prospects for genomic selection in honey-bee breeding, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic Gain - Breeding Strategies 1, p. 29, 2018. (247.02 KB)
2014
K. Peeters, Visscher, J., and Bijma, P., Bivariate Analysis of Individual Survival Data and Pooled Early Egg Production Data on Crossbred Laying Hens, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Poultry (Posters), p. 856, 2014. (2 MB)
E. D. Ellen, Visscher, J., and Bijma, P., Comparison of Empirical and Theoretical Responses to Selection Against Mortality due to Cannibalism in Layers, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Poultry, p. 317, 2014. (1.16 MB)
I. Camerlink, Duijvesteijn, N., Ursinus, W. W., J Bolhuis, E., and Bijma, P., Consequences of Selection for Indirect Genetic Effect for Growth in Pigs on Behavior and Production, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Swine, p. 363, 2014. (185.18 KB)
M. Teka Anche, de Jong, M. C. M., and Bijma, P., Definition and Utilization of Among Hosts Heritable Variation in Reproduction Ratio R0 for Infectious Diseases, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of Trait Complexes: Disease resistance, p. 090, 2014. (218.95 KB)
N. Duijvesteijn, Knol, E. F., and Bijma, P., estimation and validation of indirect genetic effects for average daily gain in two purebred sire lines, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of Trait Complexes: Feed intake and efficiency (Posters), p. 564, 2014. (668.74 KB)
E. W. Brascamp, Veerkamp, R. F., and Bijma, P., Estimation of genetic parameters and breeding values in honey bees, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Methods and Tools: Statistical methods - linear and nonlinear models (Posters), p. 696, 2014. (234.38 KB)
P. Sae-Lim and Bijma, P., Experimental Designs for Genetic Parameters and Response to Selection of Social Interaction Traits in Aquaculture, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Breeding in aquaculture species (Posters), p. 772, 2014. (1.19 MB)
E. Sell-Kubiak, Bijma, P., Knol, E. F., and Mulder, H. A., Genetic analysis of birth weight uniformity in pigs: comparison of methods, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Swine, p. 379, 2014. (525.18 KB)
Sworku Alemu, Berg, P., Janss, L., Moller, S. Henrik, and Bijma, P., Genetic and non-genetic indirect effects for bite mark traits in group housed mink, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of Trait Complexes: Disease resistance (Posters), p. 534, 2014. (752.13 KB)
J. Marjanovic, Mulder, H. A., Khaw, H. Ling, and Bijma, P., Genetic Parameters for Within-family Variance of Harvest Weight in Nile tilapia (Oreochromis niloticus), Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Breeding in aquaculture species, p. 273, 2014. (1.32 MB)
T. Brinker, Ellen, E. D., Visscher, J., and Bijma, P., Improving Analysis of Direct and Indirect Genetic Effects on Survival Data in Laying Hens, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Poultry (Posters), p. 853, 2014. (2.01 MB)
H. Ling Khaw, Ponzoni, R. W., Yee, H. Yip, Aziz, M. Aznan, and Bijma, P., Indirect genetic effects for harvest weight in Nile tilapia (Oreochromis niloticus), Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species Breeding: Breeding in aquaculture species (Posters), p. 773, 2014. (506.78 KB)
H. Esfandyari, Sørensen, A. Christian, and Bijma, P., Maximizing crossbred performance through purebred genomic selection, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic Improvement Programs: Selection using molecular information, p. 061, 2014. (154.85 KB)
E. N. Amuzu-Aweh, Bovenhuis, H., de Koning, D. - J., and Bijma, P., Prediction of Heterosis in White Leghorn Crossbreds using Paternal 60K SNP Genotypes, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic Improvement Programs: Selection using molecular information, p. 059, 2014. (155.75 KB)
P. Bijma and Bastiaansen, J. W. M., The Standard Error of the Estimated Purebred-Crossbred Genetic Correlation, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic Improvement Programs: Breeding objectives, economics of selection schemes, and advances in selection theory, p. 016, 2014. (130.89 KB)
2010
I. Camerlink, Bergsma, R., Duijvesteijn, N., Bolhuis, J. E., and Bijma, P., Consequences of selection for social genetic effects on ADG in finishing pigs – A pilot study, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of trait complexes: Behaviour - Lecture Sessions, p. 0595, 2010. (33.41 KB)
P. Bijma, Definition and use of additive genetic effects for genetic improvement of populations, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic improvement programmes: Design of selection schemes exploiting additive and/or non-additive effects - Lecture Sessions, p. 0020, 2010. (70.51 KB)
I. van Grevenhof, Hazeleger, W., Bijma, P., and Kemp, B., The effects of housing system, feeding level and genetic line on osteochondrosis in pigs, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Special topics: Breeding and animal welfare - Lecture Sessions, p. 0509, 2010. (95.2 KB)
B. B. Monsen, Ødegård, J., Nielsen, H. M., Arnesen, K. R., Toften, H., Damsgård, B., Bijma, P., and Olesen, I., Genetics of Social Interactions in Atlantic cod (Gadus morhua), Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of trait complexes: Behaviour - Lecture Sessions, p. 0910, 2010. (65.33 KB)
D. Lipschutz-Powell, Woolliams, J. A., Bijma, P., and Doeschl-Wilson, A., The importance of associative effects in the control of infectious disease through selection., Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic improvement programmes: Advances in selection theory including experimental demonstrations - Lecture Sessions, p. 0491, 2010. (73.72 KB)
L. Canario, Lundeheim, N., and Bijma, P., Pig growth is affected by social genetic effects and social litter effects that depend on group size, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetics of trait complexes: Growth, development, feed intake and efficiency - Lecture Sessions, p. 0170, 2010. (125.55 KB)
E. Ellen, Visscher, J., Rodenburg, B., and Bijma, P., Selection Against Mortality Due To Cannibalism In Layers, Does It Work?, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Genetic improvement programmes: Advances in selection theory including experimental demonstrations - Lecture Sessions, p. 0399, 2010. (34.4 KB)
K. Peeters, Eppink, T., Ellen, E., Visscher, J., and Bijma, P., Survival in laying hens: Genetic parameters for direct and associative effects in the reciprocal crosses of two purebred layer lines, Proceedings of the World Congress on Genetics Applied to Livestock Production, vol. Species breeding: Poultry breeding (chicken – layers, chicken – broilers, other poultry species) - Lecture Sessions, p. 0575, 2010. (53.8 KB)
2006
P. A. Oliehoek, Windig, J. J., and Bijma, P., Choice of relatedness estimator for conservation depends on population structure., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 30.05, 2006.
E. M. van Grevenhof, Ducro, B. J., Heuven, H. C. M., and Bijma, P., Environmental and genetic factors affecting prevalence of insect bite hypersensitivity in Shetland and Friesian horses in the Netherlands., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 08.10, 2006.
P. Bijma and Muir, W. M., Genetic analysis and improvement of traits affected by behavioural or other interactions among individuals., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 17.02, 2006.
W. M. Muir and Bijma, P., Incorporation of competitive effects in breeding programmes for improved performance and animal well-being., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 17.01, 2006.
E. D. Ellen, Muir, W. M., and Bijma, P., Increasing survival in layers using information of relatives., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 28.05, 2006.
M. J. M. Rutten, Bovenhuis, H., Komen, J., and Bijma, P., Mixed model methodology to infer whether aggression increases due to selection on growth in aquaculture species., Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, p. 09.12, 2006.
1998
J. A. M. van Arendonk, Spelman, R. S., van der Waaij, E. H., Bijma, P., and Bovenhuis, H., Livestock breeding schemes: challenges and opportunities., vol. 25: Lactation; growth and efficiency; meat quality; role of exotic breeds in the tropics; design of village breeding programs; n, pp. 407–414, 1998. (468.57 KB)