Response from selection for income minus food cost in laying hens, estimated via the animal model

References

• Blair , H.T. and Pollak , E.J. 1984 . Estimation of genetic trend in a selected population with and without the use of a control population . Journal of Animal Science , 58 : 878 – 886 .
   PubMed Web of Science ®Google Scholar
• Bulmer , M.G. 1971 . The effect of selection on genetic variability . American Naturalist , 105 : 201 – 211 .
   Web of Science ®Google Scholar
• Dickerson , G.E. . Genetic slippage in response to selection for multiple objectives . Proceedings, Cold Spring Harbor Symposia on Quantitative Biology . Vol. XX ,
   Google Scholar
• Foulley , J.L. and Ollivier , L. 1986 . A note on criteria of coherence for the parameters used to construct a selection index . Journal of Animal Breeding and Genetics , 103 : 81 – 86 .
   Google Scholar
• Gowe , R.S. , Robertson , A. and Latter , B.D.H. 1959 . Environment and poultry breeding problems. 5. The design of poultry control strains . Poultry Science , 28 : 462 – 471 .
   Google Scholar
• Hagger , C. 1989 . Genetic effects estimated from crosses and backcrosses of two related lines of White Leghorn chickens . Journal of Animal Breeding and Genetics , 106 : 241 – 248 .
   Google Scholar
• Hagger , C. and Marguerat , C. 1985 . Relationship of production traits and egg composition to feed consumption and the genetic variability of efficiency in laying hens . Poultry Science , 64 : 2223 – 2229 .
   Google Scholar
• Hagger , C. , Marguerat , C. , Steiger‐Stafl , D. and Stranzinger , G. 1989 . Plumage condition, feed consumption, and egg production relationships in laying hens . Poultry Science , 68 : 221 – 225 .
   Google Scholar
• Hagger , C. , Steiger‐Stafl , D. and Marguerat , C. 1986 . Embryonic mortality in chicken eggs as influenced by egg weight and inbreeding . Poultry Science , 65 : 812 – 814 .
   Web of Science ®Google Scholar
• Hayes , J.F. and Hill , W.G. 1980 . A reparametrization of a genetic selection index to locate its sampling properties . Biometrics , 36 : 237 – 248 .
   PubMed Web of Science ®Google Scholar
• Heil , G. 1976 . Schätzung der genetischen Parameter für die Futterverwertung von Legehennen in Gruppenkäfigen und ihre Beziehungen zu anderen Leistungs‐ und Eiqualitätsmerkmalen , TU‐München : Weihenstephan . Dissertation
   Google Scholar
• Henderson , C.R. . Sire evaluation and genetic trends . Proceeding of the Animal Breeding and Genetics Symposium in Honor of J.L. Lush . Champaign, Illinois. ASAS and ADSA .
   Google Scholar
• Henderson , C.R. 1976 . A simple method for computing the inverse of a numerator relationship matrix used in prediction of breeding values . Biometrics , 32 : 69 – 83 .
   Web of Science ®Google Scholar
• James , J.W. . Economic aspects of developing breeding objectives: general considerations . Proceedings: Future Developments in the Genetic Improvement of Animals . Sydney. Academic Press Australia .
   Google Scholar
• Kennedy , B.W. . Use of mixed model methodology in analysis of designed experiments . Proceedings: Advances in Statistical Methods for Genetic Improvement of Livestock Armidale, Australia . Heidelberg. Springer‐Verlag .
   Google Scholar
• Marguerat‐König , C. 1988 . Selektionsversuch auf wirtschaftlich gewichtete Merkmale—Eierlös minus Futterkosten—beim Huhn Zürich Dissertation ETH Nr. 8694
   Google Scholar
• Patterson , H.D. and Thompson , R. 1971 . Recovery of interblock information when block sizes are unequal . Biometrika , 58 : 545 – 554 .
   Web of Science ®Google Scholar
• Quaas , R.L. and Pollak , E.J. 1980 . Mixed model methodology for farm and ranch beef cattle testing programs . Journal of Animal Science , 51 : 1277 – 1287 .
   Web of Science ®Google Scholar
• Searle , S.R. 1966 . Matrix Algebra for the Biological Sciences , New York : John Wiley .
   Google Scholar
• Searle , S.R. and Rounsaville , T.R. 1974 . A note on estimating covariance components . The American Statistician , 28 : 67 – 68 .
   Google Scholar
• Sorensen , D.A. and Kennedy , B.W. 1984 . Estimation of response to selection using least squares and mixed model methodology . Journal of Animal Science , 58 : 1097 – 1106 .
   Google Scholar
• Sorensen , D.A. and Kennedy , B.W. 1986 . Analysis of selection experiments using mixed model methodology . Journal of Animal Science , 63 : 245 – 258 .
   PubMed Web of Science ®Google Scholar
• Willeke , H. 1972 . Maximierung des Selektionsfortschrittes in der Züchtung von Legehybriden durch den Einsatz von Teillegeleistungen , Göttingen : Georg‐August‐Univesität . Dissertation
   Google Scholar
• Wing , T.L. and Nordskog , A.W. 1982 . Use of individual feed records in a selection program for egg production efficiency. II. Effectiveness of different selection indexes . Poultry Science , 61 : 231 – 235 .
   Google Scholar
• Wright , S. 1922 . Coefficients of inbreeding and relationship . American Naturalist , 56 : 330 – 338 .
   Google Scholar