SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Article References

FAIR, M.D.; VAN WYK, J.B.  and  CLOETE, S.W.P. Pedigree analysis of an ostrich breeding flock. S. Afr. j. anim. sci. [online]. 2012, vol.42, n.2, pp. 114-122. ISSN 0375-1589.

    Bijma, P., Van Arendonk, J.A.M. & Woolliams, J.A., 2001. Predicting rates of inbreeding for livestock improvement schemes. J. Anim. Sci. 79, 840-853. [ Links ]

    Boichard, D., Maignel, L. & Verrier, E., 1997. The value of using probabilities of gene origin to measure genetic variability in a population. Genet. Sel. Evol. 29, 5-23. [ Links ]

    Brand, T.S. & Jordaan, J.W., 2011. The contribution of the South African ostrich industry to the national economy. Appl. Anim. Husb. Rur. Dev. 4, 1-7. Accessible at: http://www.sasas.co.za/aahrd/2011/1 (downloaded on 27 October 2011). [ Links ]

    Bunter, K.L., 2002. The genetic analysis of reproduction and production traits recorded for farmed ostriches (Struthio camelus). PhD dissertation, University of New England, Australia: pp. 280. [ Links ]

    Bunter, K.L. & Cloete, S.W.P., 2004. Genetic parameters for egg-, chick- and liveweight traits recorded in farmed ostriches (Struthio camelus). Livest. Prod. Sci. 91, 9-22. [ Links ]

    Caballero, A. & Toro, M.A., 2000. Interrelations between effective population size and other pedigree tools for the management of conserved populations. Genet. Res., Camb. 75, 331-343. [ Links ]

    Cervantes, I., Goyache, F., Molina, A., Valera, M. & Gutiérrez, J.P., 2008. Application of individual increase in inbreeding to estimate realised effective sizes from real pedigrees. J. Anim. Breed. Genet. 125, 301-310. [ Links ]

    Cloete, S.W.P., Van Schalkwyk, S.J. & Brand, Z., 1998. Ostrich breeding progress towards a scientifically based-strategy. In 'Ratites in a competitive world. Proc. 2nd International scientific ratite conference, Oudtshoorn, South Africa, 21-25 September 1998'. Ed. Huchzermeyer, F.W. pp. 55-62. [ Links ]

    Cloete, S.W.P., Bunter, K.L, Lambrechts, H., Swart, D. & Greyling, J.P.C., 2006. Variance components for live weight, body measurements and reproductive traits of pair-mated ostrich females. Br. Poult. Sci. 47, 147-158. [ Links ]

    Cloete, S.W.P., Brand, Z., Bunter, K.L. & Malecki, I.A., 2008a. Direct responses in breeding values to selection of ostriches for liveweight and reproduction. Aust. J. Exp. Agric. 48, 1314-1319. [ Links ]

    Cloete, S.W.P., Brand, M.M., Hoffman, L.C. & Muller, M.M., 2008b. Live weight and reproduction performance of Zimbabwean Blue and South African Black ostriches. S. Afr. J. Anim. Sci. 38, 65-73. [ Links ]

    Cloete, S.W.P., Engelbrecht, A., Olivier, J.J. & Bunter, K.L., 2008c. Deriving a preliminary breeding objective for commercial ostriches: an overview. Aust. J. Exp. Agric. 48, 1247-1256. [ Links ]

    Duchev, Z., Distl, O. & Groeneveld, E., 2006. Early warning system for loss of diversity in European livestock breeds. Archiv. Anim. Breed. 49, 521-531. [ Links ]

    Fair, M.D., Van Wyk, J.B. & Cloete, S.W.P., 2006. Genetic parameters for monthly reproduction of ostrich females. Proc. 41st Congr. SA Soc. Anim. Sci. 49, (3-6 April 2006, Bloemfontein). [ Links ]

    Falconer, D.S. & Mackay, T.F.C., 1996. Introduction to Quantitative genetics. Longman Group, Essex, UK. [ Links ]

    FAO, 1992. United Nations Environment Programme, Convention on Biological Diversity, Environmental Law and Institutions Programme Activity Centre, 1-52. [ Links ]

    FAO, 1998. Secondary Guidelines for Development of National Farm Animal Genetic Resources Management Plans. Page 63 in Management of Small Populations at Risk. Food Agric. Org. United Nations, Rome, Italy. [ Links ]

    Felsenstein, J., 1971. Inbreeding and variance effective numbers in populations with overlapping generations. Genetics 68, 581-597. [ Links ]

    González-Recio, O., López de Maturana, E. & Gutiérrez, J.P., 2007. Inbreeding depression on female fertility and calving ease in Spanish dairy cattle. J. Dairy Sci. 90, 744-5752. [ Links ]

    Gutiérrez, J.P. & Goyache, F., 2005. A note on ENDOG: a computer programmes for analysing pedigree information. J. Anim. Breed. Genet. 122, 172-176. [ Links ]

    Gutiérrez, J.P., Cervantes, I., Molina, A., Valera, M. & Goyache, F., 2008. Individual increase in inbreeding allows estimating effective sizes from pedigrees. Genet. Sel. Evol. 40, 359-378. [ Links ]

    Gutiérrez, J.P., Cervantes, I. & Goyache, F., 2009. Improving the estimation of realized effective population sizes in farm animals. J. Anim. Breed. Genet. 126, 327-332. [ Links ]

    James, J.W., 1977. A note on selection differentials and generation length when generations overlap. Anim. Prod. 24, 109-112. [ Links ]

    Lacy, R.C., 1989. Analysis of founder representation in pedigrees: founder equivalents and founder genome equivalents. Zoo. Biol. 8, 111-123. [ Links ]

    Maignel, L., Boichard, D. & Verrier, E., 1996. Genetic variability of French dairy breeds estimated from pedigree information. Interbull Bull. 14, 49-54. [ Links ]

    Meuwissen, T.H.E., 1999. Operation of conservation schemes. In: Genebanks and the Conservation of Farm Animal Genetic Resources. Ed. Oldenbroek, J.K., DLO Inst. Anim. Sci. Health, Lelystad, The Netherlands. pp. 91-112. [ Links ]

    Meuwissen, T.H.E. & Luo, Z., 1992. Computing inbreeding coefficients in large populations. Genet. Sel. Evol. 24, 305-313. [ Links ]

    Nicholas, F.W., 1989. In: Evolution and Animal Breeding. Eds Hill, W.G. & Mackay, T.F.C., CAB Intl, Wallingford, UK. [ Links ]

    S0rensen, A.C., S0rensen, M.K. & Berg, P., 2005. Inbreeding in Danish dairy cattle breeds. J. Dairy Sci. 88, 1865-1872. [ Links ]

    Tahmoorespur, M. & Sheikhloo, M., 2011. Pedigree analysis of the closed nucleus of Iranian Baluchi sheep. Small Rumin. Res. 99, 1-6. [ Links ]

    Van Schalkwyk, S.J., Cloete, S.W.P. & De Kock, J.A., 1996. Repeatability and phenotypic correlations for live weight and reproduction in commercial ostrich breeding pairs. Br. Poult. Sci. 37, 953-962. [ Links ]

    Van Wyk, J.B., Fair, M.D. & Cloete, S.W.P., 2009. Case Study: The effect of inbreeding on the production and reproduction traits in the Elsenburg Dormer sheep stud. Livest. Sci. 120, 218-224 (Special issue on "Genetic resources"). [ Links ]

    Weigel, K.A., 2001. Controlling inbreeding in modern breeding programs. J. Dairy Sci. 84 (E. Suppl.), E177-E184. [ Links ]

    Wright, S., 1931. Evolution in Mendelian populations. Genetics 16, 97-159. [ Links ]

    Wright, S., 1969. Evolution and the Genetics of Populations: The Theory of Gene Frequencies, Vol. 2. University of Chicago Press, Chicago, IL. [ Links ]