Maternal effects on daily weight gain and ultrasonically recorded backfat in swedish landrace, swedish yorkshire, and swedish hampshire purebred pigs

References

• Bryner , SM , Mabry , JW , Bertrand , JK , Benyshek , LL and Kriese , LA . 1992 . Estimation of direct and maternal heritability and genetic correlation for backfat and growth rate in pigs using data from centrally tested Yorkshire boars . J. Anim. Sci. , 70 : 1755 – 1759 .
   PubMed Web of Science ®Google Scholar
• Chen , P , Baas , TJ , Mabry , JW , Dekkers , JCM and Koehler , KJ . 2002 . Genetic parameters and trends for lean growth rate and its components in US Yorkshire, Duroc, Hampshire, and Landrace pigs . J. Anim. Sci. , 80 : 2062 – 2070 .
   PubMed Web of Science ®Google Scholar
• Clutter AC Brascamp EW 1998 Genetics of performance traits In: Rothschild, M. F. & Ruvinsky, A.(eds.) The genetics of the pig, CAB International New York pp. 427–462
   Google Scholar
• Crump , RE , Haley , CS , Thompson , R and Mercer , J . 1997 . Individual animal model estimates of genetic parameters for performance test traits of male and female Landrace pigs tested in a commercial nucleus herd . Anim. Sci. , 65 : 275 – 283 .
   Google Scholar
• Gu , Y , Haley , CS and Thompson , R . 1989 . Estimates of genetic and phenotypic parameters of growth and carcass traits from closed lines of pigs on restricted feeding . Anim. Prod. , 49 : 467 – 475 .
   Google Scholar
• Hermesch , S , Luxford , BG and Graser , H-U . 2000 . Genetic parameters for lean meat yield, meat quality, reproduction and feed efficiency traits for Australian pigs 1. Description of traits and heritability estimates . Livest. Prod. Sci. , 65 : 239 – 248 .
   Google Scholar
• Hutchens , LK , Hintz , RL and Johnson , RK . 1981 . Genetic and phenotypic relationships between pubertal and growth characteristics of gilts . J. Anim. Sci. , 53 : 946 – 951 .
   Web of Science ®Google Scholar
• Jensen , J , Mäntysaari , EA , Madsen , P and Thompson , R . 1997 . Residual maximum likelihood estimation of (co)variance components in multivariate mixed linear models using average information . J. Ind. Soc. Ag. Stat. , 49 : 215 – 236 .
   Google Scholar
• Johansson , K , Andersson , K and Sigvardsson , J . 1987 . Evaluation of station testing of pigs. III. Genetic parameters for carcass measurements of partially dissected pigs . Acta Agric. Scand. , 37 : 120 – 129 .
   Google Scholar
• Johnson , RK . 1981 . Crossbreeding in pigs: experimental results . J. Anim. Sci. , 52 : 906 – 923 .
   Web of Science ®Google Scholar
• Johnson , ZB , Chewning , JJ and Nugent , RA . 2002 . Maternal effects on traits measured during post-weaning performance test of pigs from four breeds . J. Anim. Sci. , 80 : 1470 – 1477 .
   PubMed Web of Science ®Google Scholar
• Kerr , JC and Cameron , ND . 1995 . Reproductive performance of pigs selected for components of efficient lean growth . Anim. Sci. , 60 : 281 – 290 .
   Google Scholar
• Knol EF Bergsma R van Arendonk JAM van der Lende T 2001 Genetic correlations between piglet survival, birth weight and performance traits In: Genetic aspects of piglet survival Doctoral thesis IPG, Institute for Pig Genetics and Animal Breeding and Genetics Group. Wageningen University The Netherlands pp. 57–74
   Google Scholar
• Lundeheim N 2002 Field performance testing: how to adjust for variations in test weight In: Pigs health and management review, The Thai journal of Veterinary Medicine Vol. 32 Suppl. pp. 87–92
   Google Scholar
• Madsen P Jensen J 2000 A User's Guide to DMU. A package for analysing multivariate mixed models, National Institute of Animal Science. Research Centre Foulum Denmark
   Google Scholar
• Maniatis , N and Pollott , GE . 2002a . Genotype by environment interactions in lamb weight and carcass composition traits . Anim. Sci. , 75 : 3 – 14 .
   Google Scholar
• Maniatis , N and Pollott , GE . 2002b . Maternal effects on weight and ultrasonically measured traits of lambs in a small closed Suffolk flock . Small Ruminant Res. , 45 : 235 – 246 .
   Web of Science ®Google Scholar
• Maniatis , N and Pollott , GE . 2003 . The impact of data structure on genetic (co)variance components of early growth traits in sheep, estimated using an animal model with maternal effects . J. Anim. Sci. , 81 : 101 – 108 .
   PubMed Web of Science ®Google Scholar
• McKay , RM . 1990 . Responses to index selection for reduced backfat thickness and increased growth rate in pigs . Can. J. Anim. Sci. , 70 : 973 – 977 .
   Web of Science ®Google Scholar
• McPhee , CP , Rathmell , GA , Daniels , LJ and Cameron , ND . 1988 . Selection in pigs for increased lean growth rate on a time-based feeding scale . Anim. Prod. , 47 : 149 – 156 .
   Google Scholar
• Mersmann , HJ , Pond , WG , Stone , RT , Yen , JT and Lindvall , RN . 1984 . Factors affecting growth and survival of neonatal genetically obese and lean pigs: cross-fostering experiments . Growth , 48 : 209 – 220 .
   PubMedGoogle Scholar
• Meyer , K . 1992a . Bias and sampling covariances of estimates of variance components due to maternal effects . Genet. Sel. Evol. , 24 : 487 – 509 .
   Web of Science ®Google Scholar
• Meyer , K . 1992b . Variance components due to direct and maternal effects for growth traits of Australian beef cattle . Livest. Prod. Sci. , 31 : 179 – 204 .
   Google Scholar
• Pedersen OK 1979 Testing of breeding animals for meat production and meat quality in Denmark In: Wegger, I., Hyldegaard-Jensen, J., Moustgaard, J. & Andersen, J. E.(eds.) Muscle Function and Porcine Meat Quality Proceedings NJF Symposium Denmark Acta Agric. Scand. (Suppl. 21) pp. 122–135
   Google Scholar
• Robinson , DL . 1996 . Models which might explain negative correlation between direct and maternal genetic effects . Livest. Prod. Sci. , 45 : 111 – 122 .
   Google Scholar
• Robison , OW . 1972 . The role of maternal effects in animal breeding: V. Maternal effects in pigs . J. Anim. Sci. , 35 : 1303 – 1315 .
   PubMed Web of Science ®Google Scholar
• Robison , OW . 1981 . The influence of maternal effects on the efficiency of selection: a review . Livest. Prod. Sci. , 8 : 121 – 137 .
   Google Scholar
• Roehe , R and Kennedy , BW . 1993 . Effect of selection for maternal and direct genetic effects on genetic improvement of litter size in pigs . J. Anim. Sci. , 71 : 2891 – 2904 .
   PubMed Web of Science ®Google Scholar
• Solanes , FX , Grandinson , K , Rydhmer , L , Stern , S , Andersson , K and Lundeheim , N . 2004 . Direct and maternal influences on the early growth, fattening performance and carcass traits of pigs . Livest. Prod. Sci. , 88 : 195 – 208 .
   Google Scholar
• Vangen , O . 1972 . Mortality in two different lines of pigs selected for rate of gain and thickness of backfat . Acta Agric. Scand. , 22 : 238 – 242 .
   Google Scholar
• Zhang , S , Bidanel , JP , Burlot , T , Legault , C and Naveau , J . 2000 . Genetic parameters and genetic trends in the Chinese×European Tiameslan composite pig line. I. Genetic parameters . Genet. Sel. Evol. , 32 : 41 – 56 .
   PubMed Web of Science ®Google Scholar