The Influence of Maternal Effects on Litter Size in Pigs

References

• Alsing , I. , Krippl , J. and Pirchner , F. 1980 . Maternal effects on the heritability of litter traits of pigs . Z. Tierzücht. ZüchtBiol. , 97 : 241 – 249 .
   Web of Science ®Google Scholar
• Bereskin , B. , Shelby , C. E. , Rowe , K. E. , Rempel , W. E. , Dettmeus , A. E. and Norton , H. W. 1970 . Inbreeding and swine productivity in Minnesota experimental herds . J. Anim. Sci. , 31 : 278 – 288 .
   Web of Science ®Google Scholar
• Brooks , P. H. and Smith , D. A. 1980 . The effect of mating age on the reproductive performance, food utilization and liveweight change of the female pig . Livest. Prod. Sci. , 7 : 67 – 78 .
   Google Scholar
• Cheng , P. L. 1983 . A highly prolific pig breed of China—The Taihu pig . Pig News and Information , 41 : 407 – 425 .
   Google Scholar
• Christensen , A. 1980 . Personal communication
   Google Scholar
• Craft , W. A. 1953 . Results of swine breeding research , circular no. 916 51 U.S.D.A. .
   Google Scholar
• Cunningham , P. J. , England , M. E. , Young , L. D. and Zimmerman , D. R. 1979 . Selection for ovulation rate in swine: Correlated response in litter size and weight . J. Anim. Sci. , 3 : 509 – 516 .
   Google Scholar
• Dobao , M. T. , Rodriganez , J. and Silió , L. 1983 . Seasonal influence on fecundity and litter performance characteristics in Iberian pigs . Livest. Prod. Sci. , 10 : 601 – 610 .
   Google Scholar
• Eikje , E. D. 1974 . Fenotypiske og genetiske parametre for kuldst⊘rrelse hos svin , 38. Meldinger fra Norges Landbruksh⊘gskole 23
   Google Scholar
• Falconer , D. J. 1965 . “ Maternal effects and selection response ” . In Genetics today , vol. 3 , 763 – 774 . Oxford : Pergamon Press .
   Google Scholar
• Hill , W. G. and Nicholas , F. W. 1974 . Estimation of heritability by both regression of offspring on parent and interclass correlation of sibs in one experiment . Biometrics , 30 : 447 – 468 .
   PubMed Web of Science ®Google Scholar
• Jensen , P. 1965 . Arvens indflydelse på kuldst⊘rrelse og kuldvægt hos grise af Dansk Landrace . Ugeskrift for Landmænd , 110 : 819 – 825 .
   Google Scholar
• Jensen , P. , Nielsen , H. E. and Danielsen , V. 1983 . F⊘dselsvœgtens indflydelse på sogrisenes senere frugtbarhed , 484. Medd. Statens Husdyrbrugsfors⊘g 4
   Google Scholar
• Johansson , K. 1981 . Some notes concerning the genetic possibilities of improving sow fertility . Livest. Prod. Sci. , 8 : 431 – 447 .
   Google Scholar
• Johansson , K. and Kennedy , B. W. 1985 . Estimation of genetic parameters for reproductive traits in pigs. Acta Agric . Scand. , 35 : 421 – 431 .
   Google Scholar
• Kennedy , B. W. and Moxley , J. E. 1978 . Genetic and environmental factors influencing litter size, sex ratio and gestation length in the pig . Anim. Prod. , 27 : 35 – 42 .
   Google Scholar
• Kimura , M. and Crow , J. F. 1963 . On the maximum avoidance of inbreeding . Genet. Res., Camb. , 4 : 399 – 415 .
   Web of Science ®Google Scholar
• Korkman , N. 1947 . Causes of variation in the size and weight of litters from sows . Acta Agric. Suecana , 2 : 253 – 310 .
   Google Scholar
• Leukkunen , A. 1984 . Progeny testing of A.I. boars on the basis of their daughters' farrowing results . Acta Agric. Scand. , 34 : 300 – 312 .
   Google Scholar
• MacPherson , R. M. , Hovell , F. D. and Jones , A. S. 1977 . Performance of sows mated at puberty or second or third oestrus and carcass assessment of oncebred gilts . Anim. Prod. , 24 : 333 – 342 .
   Google Scholar
• Nelson , R. E. and Robison , O. W. 1976 . Effects of postnatal maternal environment on reproduction of gilts . J. Anim. Sci. , 43 : 71 – 77 .
   PubMed Web of Science ®Google Scholar
• Nielsen , H. E. 1969 . Orners vækst, frugtbarhed og holdbarhed ved forskellig fodring i opdrætningsperioden samt nogle resultater vedr⊘rende s⊘ers frugtbarhed , 375. Beretn 47 K⊘benhavn : Fors⊘gslaboratoriet .
   Google Scholar
• Ollivier , L. and Bolet , G. 1981 . La Sélection sur la prolificité chez le pore: Résultats d'une experience de sélection sur dix générations . J. Rech. Porcine en France , : 261 – 268 .
   Google Scholar
• Pirchner , F. 1983 . Population genetics in animal breeding , 414 New York : Plenum Press .
   Google Scholar
• Revelle , T. J. and Robison , O. W. 1973 . An explanation for the low heritability of litter size in swine . J. Anim. Sci. , 37 : 668 – 675 .
   Web of Science ®Google Scholar
• Rutledge , J. J. 1980 . Fraternity size and swine reproduction. I. Effects on fecundity of gilts . J. Anim. Sci. , 51 : 868 – 870 .
   PubMed Web of Science ®Google Scholar
• SAS. 1982 . SAS user's guide: Statistics , 584 North Carolina, , USA : SAS Institute inc. .
   Google Scholar
• Sellier , P. and Legault , C. 19.–20th June 1985 . The Chinese prolific breeds of pigs: Examples of extreme genetic stocks , CEC Seminar 19.–20th June , 10 Edinburgh
   Google Scholar
• Strang , G. S. and Smith , C. 1979 . A note on the heritability of litter traits in pigs . Anim. Prod. , 28 : 403 – 406 .
   Google Scholar
• Urban , W. E. , Shelby , C. E. , Chapman , A. B. , Whatley , J. A. and Garwood , V. A. 1966 . Genetic and environmental aspects of litter size in swine . J. Anim. Sci. , 25 : 1148 – 1153 .
   Web of Science ®Google Scholar
• Van der Steen , H. A. M. 1983 . Maternal and genetic influences on production and reproduction traits in pigs , Thesis 112 Wageningen, , The Netherlands : Dep. Anim. Breed., Agric. Univ. .
   Google Scholar
• Vangen , O. 1980 . Studies on a two trait selection experiment in pigs. VI. Heritability estimates of reproductive traits. Influence of maternal effects . Acta Agric. Scand. , 30 : 320 – 326 .
   Google Scholar
• Willeke , H. and Richter , L. 1978 . Heritability estimates of litter size in pigs . Ann. Genet. Sel. Anim. , 10 : 585 – 586 .
   Google Scholar
• Zhang , W. C. and Wu , J. S. 1983 . Some performance characteristics of prolific breeds of pigs in China . Livest. Prod. Sci. , 10 : 59 – 68 .
   Google Scholar