Genetic parameter estimates and principal component analysis of breeding values of reproduction and growth traits in female Canchim cattle
M. E. Buzanskas A , R. P. Savegnago A , D. A. Grossi C , G. C. Venturini A , S. A. Queiroz B , L. O. C. Silva D , R. A. A. Torres Júnior D , D. P. Munari A F and M. M. Alencar E
+ Author Affiliations
- Author Affiliations
A Departamento de Ciências Exatas, Faculdade de Ciências Agrárias e Veterinárias (FCAV), Universidade Estadual Paulista (UNESP), Jaboticabal, São Paulo14884-900, Brazil.
B Departamento de Zootecnia, Faculdade de Ciências Agrárias e Veterinárias (FCAV), Universidade Estadual Paulista (UNESP), Jaboticabal, São Paulo14884-900, Brazil.
C Centre for Genetic Improvement of Livestock, University of Guelph, Guelph, ON N1G 2W1, Canada.
D Embrapa Gado de Corte, Campo Grande, Mato Grosso do Sul70770-901, Brazil.
E Embrapa Pecuária Sudeste, São Carlos, São Paulo13560-970, Brazil.
F Corresponding author. Email: danisio@fcav.unesp.br
Reproduction, Fertility and Development 25(5) 775-781 https://doi.org/10.1071/RD12132
Submitted: 25 April 2012 Accepted: 23 June 2012 Published: 15 August 2012
Abstract
Phenotypic data from female Canchim beef cattle were used to obtain estimates of genetic parameters for reproduction and growth traits using a linear animal mixed model. In addition, relationships among animal estimated breeding values (EBVs) for these traits were explored using principal component analysis. The traits studied in female Canchim cattle were age at first calving (AFC), age at second calving (ASC), calving interval (CI), and bodyweight at 420 days of age (BW420). The heritability estimates for AFC, ASC, CI and BW420 were 0.03 ± 0.01, 0.07 ± 0.01, 0.06 ± 0.02, and 0.24 ± 0.02, respectively. The genetic correlations for AFC with ASC, AFC with CI, AFC with BW420, ASC with CI, ASC with BW420, and CI with BW420 were 0.87 ± 0.07, 0.23 ± 0.02, –0.15 ± 0.01, 0.67 ± 0.13, –0.07 ± 0.13, and 0.02 ± 0.14, respectively. Standardised EBVs for AFC, ASC and CI exhibited a high association with the first principal component, whereas the standardised EBV for BW420 was closely associated with the second principal component. The heritability estimates for AFC, ASC and CI suggest that these traits would respond slowly to selection. However, selection response could be enhanced by constructing selection indices based on the principal components.
Additional keywords: age at first calving, bodyweight, calving interval, selection index.
References
Alencar, M. M. (1988). ‘Bovino–Raça Canchim: origem e desenvolvimento.’ (EMBRAPA DPU: Brasília.)Alencar, M. M. (2004). Perspectivas para o melhoramento genético de bovinos de corte no Brasil. In ‘41st Annual Meeting of the Brazilian Animal Science Society, Campo Grande, Brazil’. (Ed. T. C. M. Genro.) pp. 358–367. (SBZ: Campo Grande.)
Andrade, P. C., Grossi, D. A., Paz, C. C. P., Alencar, M. M., Regitano, L. C. A., and Munari, D. P. (2008). Association of an insulin-like growth factor 1 gene microsatellite with phenotypic variation and estimated breeding values of growth traits in Canchim cattle. Anim. Genet. 39, 480–485.
| Association of an insulin-like growth factor 1 gene microsatellite with phenotypic variation and estimated breeding values of growth traits in Canchim cattle.Crossref | GoogleScholarGoogle Scholar | 1:STN:280:DC%2BD1cnks1CrtQ%3D%3D&md5=bb7161d34d7c143bbfb4e2c7274f281fCAS | 18637878PubMed |
Baker, R. J. (1974). Selection indexes without economic weights for animal breeding. Can. J. Anim. Sci. 54, 1–8.
| Selection indexes without economic weights for animal breeding.Crossref | GoogleScholarGoogle Scholar |
Baldi, F., Alencar, M. M., Freitas, A. R., and Barbosa, R. T. (2008). Genetic parameters for body size, condition score, reproductive and longevity traits in females of the Canchim breed. R. Bras. Zootec. 37, 247–253.
| Genetic parameters for body size, condition score, reproductive and longevity traits in females of the Canchim breed.Crossref | GoogleScholarGoogle Scholar |
Boligon, A. A., Albuquerque, L. G., Mercadante, M. E. Z., and Lôbo, R. B. (2010). Study of relations among age at first calving, average weight gains and weights from weaning to maturity in Nellore cattle. R. Bras. Zootec. 39, 746–751.
| Study of relations among age at first calving, average weight gains and weights from weaning to maturity in Nellore cattle.Crossref | GoogleScholarGoogle Scholar |
Borba, L. H. F., Baldi Rey, F. S., Silva, L. O. C., Boligon, A. A., and Alencar, M. M. (2011). Genetic parameters for growth and reproductive traits of Canchim breed. Pesquisa Agropecu. Bras. 46, 1570–1578.
| Genetic parameters for growth and reproductive traits of Canchim breed.Crossref | GoogleScholarGoogle Scholar |
Bourdon, R. M., and Brinks, J. S. (1983). Calving date versus calving interval as a reproductive measure in beef cattle. J. Anim. Sci. 57, 1412–1417.
| 1:STN:280:DyaL2c7osFehuw%3D%3D&md5=ae4cff9039f5a8ebe77981ac0dc7c1f3CAS | 6674281PubMed |
Buzanskas, M. E., Grossi, D. A., Baldi, F., Barrozo, D., Silva, L. O. C., Torres Júnior, R. A. A., Munari, D. P., and Alencar, M. M. (2010). Genetic associations between stayability and reproductive and growth traits in Canchim beef cattle. Livest. Sci. 132, 107–112.
| Genetic associations between stayability and reproductive and growth traits in Canchim beef cattle.Crossref | GoogleScholarGoogle Scholar |
Embrapa-Geneplus (2012). Programa Embrapa de Melhoramento de Gado Corte. Available at http://www.cnpgc.embrapa.br/~locs/geneplus/ [Verified 20 January 2012].
Fries, L. A., and Albuquerque, L. G. (1999). Prenhez aos quatorze meses: presente e futuro. Available at: http://www.sbz.org.br/eventos/PortoAlegre/homepagesbz/Fries.htm [Verified 1 January 2012].
Grossi, D. A., Frizzas, O. G., Paz, C. C. P., Bezerra, L. A. F., Lôbo, R. B., Oliveira, J. A., and Munari, D. P. (2008). Genetic associations between accumulated productivity, and reproductive and growth traits in Nelore cattle. Livest. Sci. 117, 139–146.
| Genetic associations between accumulated productivity, and reproductive and growth traits in Nelore cattle.Crossref | GoogleScholarGoogle Scholar |
Grossi, D. A., Venturini, G. C., Paz, C. C., Bezerra, L. A., Lôbo, R. B., Oliveira, J. A., and Munari, D. P. (2009). Genetic associations between age at first calving and heifer body weight and scrotal circumference in Nelore cattle. J. Anim. Breed. Genet. 126, 387–393.
| Genetic associations between age at first calving and heifer body weight and scrotal circumference in Nelore cattle.Crossref | GoogleScholarGoogle Scholar | 1:STN:280:DC%2BD1MnjsFeluw%3D%3D&md5=a6f305665babb04e7e227f88d4b75958CAS | 19765165PubMed |
Gutiérrez, J. P., Alvarez, I., Fernández, I., Royo, L. J., Díez, J., and Goyache, F. (2002). Genetic relationships between calving date, calving interval, age at first calving and type traits in beef cattle. Livest. Prod. Sci. 78, 215–222.
| Genetic relationships between calving date, calving interval, age at first calving and type traits in beef cattle.Crossref | GoogleScholarGoogle Scholar |
Hair, J. F., Black, W. C., Babin, B. J., and Anderson, R. E. (2009). ‘Multivariate data analysis.’ (Prentice Hall: Upper Saddle River, NJ.)
Hanset, R., Michaux, C., and Detal, G. (1989). Genetic analysis of some maternal reproductive traits in the Belgian blue cattle breed. Livest. Prod. Sci. 23, 79–96.
| Genetic analysis of some maternal reproductive traits in the Belgian blue cattle breed.Crossref | GoogleScholarGoogle Scholar |
Hazel, L. N. (1943). The genetic basis for constructing selection indexes. Genetics 28, 476–490.
| 1:STN:280:DC%2BD2s%2FmsFSktw%3D%3D&md5=1da689ba069c128fe6402f8d5bbe28ddCAS | 17247099PubMed |
Kaiser, H. F. (1960). The application of electronic computers to factor analysis. Educ. Psychol. Meas. 20, 141–151.
| The application of electronic computers to factor analysis.Crossref | GoogleScholarGoogle Scholar |
López de Torre, G., and Brinks, J. S. (1990). Some alternatives to calving date and interval as measures of fertility in beef cattle. J. Anim. Sci. 68, 2650–2657.
| 2211394PubMed |
Mello, S. P., Alencar, M. M., Toral, F. B., and Gianlorenço, V. K. (2006). Estimates of genetic parameters for growth and productivity traits of Canchim cows using Bayesian inference. R. Bras. Zootec. 35, 92–97.
| Estimates of genetic parameters for growth and productivity traits of Canchim cows using Bayesian inference.Crossref | GoogleScholarGoogle Scholar |
Meyer, K. (2007). WOMBAT: a tool for mixed model analyses in quantitative genetics by restricted maximum likelihood (REML). J. Zhejiang Univ. Sci. B 8, 815–821.
| WOMBAT: a tool for mixed model analyses in quantitative genetics by restricted maximum likelihood (REML).Crossref | GoogleScholarGoogle Scholar | 17973343PubMed |
Oyama, K., Katsuta, T., Anada, K., and Mukai, F. (2004). Genetic parameters for reproductive performance of breeding cows and carcass traits of fattening animals in Japanese black (Wagyu) cattle. Anim. Sci. 78, 195–201.
Pesek, J., and Baker, R. J. (1969). Desired improvement in relation to selection indices. Can. J. Plant Sci. 49, 803–804.
| Desired improvement in relation to selection indices.Crossref | GoogleScholarGoogle Scholar |
Rencher, A. C. (2002). ‘Methods of multivariate analysis.’ (Wiley-Interscience: New York.)
Rouvier, R. (1969). Ponderation des valeurs genotypiques dans la selection par indexe sur plusieurs caractdres. Biometrics 25, 295–307.
| Ponderation des valeurs genotypiques dans la selection par indexe sur plusieurs caractdres.Crossref | GoogleScholarGoogle Scholar | 1:STN:280:DyaF1M3jsVGnsg%3D%3D&md5=f7487f75e532a617a8aad4dd30e09a43CAS | 5794103PubMed |
Savegnago, R. P., Caetano, S. L., Ramos, S. B., Nasciemnto, G. B., Schmidt, G. S., Ledur, M. C., and Munari, D. P. (2011). Estimates of genetic parameters, and cluster and principal components analysis of breeding values related to egg production traits in a White Leghorn population. Poult. Sci. 90, 2174–2188.
| Estimates of genetic parameters, and cluster and principal components analysis of breeding values related to egg production traits in a White Leghorn population.Crossref | GoogleScholarGoogle Scholar | 1:STN:280:DC%2BC3MfltFylsw%3D%3D&md5=b54d7ff000030f14a59c2b1706caff29CAS | 21933998PubMed |
Silva, A. M., Alencar, M. M., Freitas, A. R., Barbosa, R. T., Oliveira, M. C. S., Novaes, A. P., Tullio, R. R., and Corrêa, L. A. (2000). Herdabilidade e correlações genéticas para peso e perímetro escrotal de machos e características reprodutivas e de crescimento de fêmeas na raça Canchim. R. Bras. Zootec. 29, 2223–2230.
Smith, H. F. (1936). A discriminant function for plant selection. Ann. Hum. Genet. 7, 240–250.
| A discriminant function for plant selection.Crossref | GoogleScholarGoogle Scholar |
Talhari, F. M., Alencar, M. M., Mascioli, A. S., Silva, A. M., and Barbosa, P. F. (2003). Correlações genéticas entre características produtivas de fêmeas em um rebanho da raça Canchim. R. Bras. Zootec. 32, 880–886.
| Correlações genéticas entre características produtivas de fêmeas em um rebanho da raça Canchim.Crossref | GoogleScholarGoogle Scholar |
Van der Merwe, P. S., and Schoeman, S. J. (1995). Effect of early calving of Simmental heifers under an extensive management system. S. Afr. J. Anim. Sci. 25, 36–39.
Van der Westhuizen, R. R., Schoeman, S. J., Jordaan, G. F., and van Wyk, J. B. (2001). Genetic parameters for reproductive traits in a beef cattle herd estimated using multitrait analysis. S. Afr. J. Anim. Sci. 31, 41–48.
Van Vleck, L. D. (1987). Contemporary groups for genetic evaluations. J. Dairy Sci. 70, 2456–2464.
| 1:STN:280:DyaL1c%2FovVWnsA%3D%3D&md5=df73bf9262f69446e70a290cf1d843d9CAS | 3693648PubMed |
Yamada, Y., Yokouchi, K., and Nishida, A. (1975). Selection index when genetic gains of individual traits are of primary concern. Jpn. J. Genet. 50, 33–41.
| Selection index when genetic gains of individual traits are of primary concern.Crossref | GoogleScholarGoogle Scholar |
