1. Abdelqader, A., A. Al Yacoub, and M. Gauly. 2012. Factors influencing productive longevity of Awassi and Najdi ewes in intensive production systems at arid regions. Small Ruminant Research, 104:37-44.
2. Abdulmohammadi, A., M. Moradi-shahrbabac, S. R. Miraee Ashtiani, and M. B. Sayyadnezhad. 2004. Estimation of Genetic parameters of longevity and its relationship with production traits in Holstein cows. Proceedings of the first Iranian congress of Animal Science, 2932-2935. (In Persian).
3. Bahri Binabaj, F. 2014. Genetic study of survival criteria at different ages and their relationship with reproductive traits in Karakul and Baluchi sheep. Ms.c thesis, Ferdowsi University of Mashhad, Iran.
4. Beygi, M., M. Vatankhah, and M. Faghani. 2014. Estimation of genetic, environmental and phenotypic trends for economic lifetime of the Lori-Bakhtiari ewes. Journal of Animal Science, 45:273-278. (In Persian).
5. Boettcher, P. J., L. K. Jairath, and J. C. M. Dekkers. 1999. Comparison of methods for genetic evaluation of sires for survival of their daughters in the first three lactations. Journal of Dairy Science, 82:1034-1044.
6. Borg, R. C. 2007. Phenotypic and genetic evaluation of fitness characteristics in sheep under a range environment. PhD Thesis, Blacksburg: Virginia Polytechnic Institute and State University.
7. Brash, L. D., N. M. Fogarty, and A. R. Gilmour. 1994. Reproductive performance and genetic parameters for Australian Dorset sheep. Australian Journal of Agricultural Research, 45:427-441.
8. Caraviello, D. Z., K. A. Weigel, and D. Gianola. 2004. Comparison between a Weibull proportional hazards model and a liner model for predicting the genetic merit of US Jersey sires for daughter longevity. Journal of Dairy Science, 87(10):3518-3525.
9. Conington, J. S., C. Bishop, A. Waterhouse, and G. Simm. 2004. A bioeconomic approach to derive economic values for pasture-based sheep genetic improvement programs. Journal of Animal Science Research, 82(5):1290-1304.
10. Dadar, M., F. Eftekharshahroudi, and SH. Moshref. 2007. Investigation of the factors affecting the birth weight, weaning and the pregnancy period of Golpayegani cattle. Proceedings of the second Iranian congress on Animal and Aquatic Sciences. 1674-1677. (In Persian).
11. Dastaniyan Khalejzadeh, S., M. Sayyadnejad. 2011. Genetic and phenotypic traits of longevity in Holestein cows in Iran. The first national conference modern topics in agriculture. (In Persian).
12. Ducrocq, V. R., L. Quaas, E. J. Pollak, and G. Casella. 1988. Length of productive life of dairy cows. 2. Variance component estimation and sire evaluation. Journal of Dairy Science, 71(11):3071–3079.
13. Getachew, T., S. Gizaw, M. Wurzinger., A. Haile., B. Rischkowsky., A. M. Okeyo., J. Slkner, and G. Meszaros. 2015. Survival analysis of genetic and non-genetic factors influencing ewe longevity and lamb survival of Ethiopian sheep breeds. Livestock Science, 176:22–32
14. Ghavi Hossein-Zadeh, N., R. Noori, and A. A. Shadparvar. 2018. Genetic analysis of longevity and lamb survival from birth to yearling in Moghani sheep. Journal of Applied Animal Research, 46:1363-1369. (In Persian).
15. Kaplan, E. L., and P. Meier. 1958. Nonparametric estimation from incomplete observations. Journal of the American statistical association, 53:457–481.
16. Khodabakhshzadeh, R., M. R. Mohammadabadi, A. Esmailizadeh Koshkoieh, H. Moradi-Shahrebabak, F. Bordbar, and S. Ansari Namin. 2016. Identification of point mutations in exon 2 of GDF9 gene in Kermani sheep. Polish Journal of Veterinary Sciences, 19(2):281–289.
17. Matos, C. A., C. Ritter, D. Gianola, and D. L. Thomas. 1993. Bayesian analysis of lamb survival using Monte Carlo numerical integration with importance sampling. Journal of Animal Science Research, 71(8):2047-2054.
18. Mekkawy, W. R., R. M. Roehe, M. Lewis, H. Davies, L. Bünger, G. Simm, and W. Haresign. 2009. Genetic relationship between longevity and objectively or subjectively assessed performance traits in sheep using linear censored models. Journal of Animal Science Research, 87(11):3482-3489.
19. Mohammadabadi, M. R. 2017. Role of clostridium perfringens in pathogenicity of some domestic animals. Journal of Advances in Agriculture, 7(3):1117-1121.
20. Mohammadabadi, M. R., and R. Sattayimokhtari. 2013. Estimation of (co)variance components of ewe productivity traits in kermani sheep. Slovak Journal of Animal Science, 46:45-51.
21. Mohammadabadi, M. R., E. Esfandyarpoor, and A. Mousapour. 2017. Using inter simple sequence repeat multi-loci markers for studying genetic diversity in Kermani Sheep. Journal of Research and Development, 5:154-157.
22. Mohammadinejad, F., M. Mohammadabadi, A. Barazandeh, M. Asadi Fozi. 2017. Estimating genetic parameters of kid survival in Raini Cashmere goat using linear and Weibul models. Iranian Journal of Animal Science, 48:297-304. (In Persian).
23. Nadaf Fahmideh, M., N. Ghavi Hossein-Zadeh, and M. Golshani. 2017. Study of genetic relationship between longevity and body weights in Guilan province native sheep. Animal Science Journal (Pajouhesh & Sazandegi). 30(115):93–102. (In Persian).
24. Ramezani, S., and N. Ghavi Hossein-Zadeh. 2017. Genetic and non-genetic factors affecting longevity of Mehraban sheep. Research Animal Production, 8(17):157–165. (In Persian).
25. Saghi, R., A. Aslami Nezhad, D. A. Saghi, and M. M. Shariati. 2016. Investigating factors affecting economic lifetime traits in Kurdi sheep. Iranian Journal of Animal Science Research, 7:478-485. (In Persian).
26. Schneider, M. del. P., E. Strandberg, V. Ducrocq, and A. Roth. 2005. Survival analysis applied to genetic evaluation for female fertility in dairy cattle. Journal of Dairy Science, 88:2253–2259.
27. Shairy, S. A., M. Tahmorespour, and M. M. Shariati. (2015). Estimation of genetic and environmental parameters of growth traits and percentage of deaths and livestock in Karakul lambs. Iranian Journal of Animal Science, 34(3-4),13-33. (In Persian).
28. Simmons, P., and C. Ekarius. 2009. Storey's guide to raising sheep: North Adams, MA: Storey Publishing LLC.
29. Therneau, T. M. and Lumley, T. 2017. Survival: Survival analysis. R package version 2.42.3 https://github.com/therneau/survival.
30. Vajed Ebrahimi, M. T., M. R. Mohammad Abadi, and A. Esmailizadeh Koshkoieh. 2016. Analysis of genetic diversity in five Iranian sheep population using microsatellites markers. Journal of Agricultural Biotechnology, 7:143-158.
31. Vatankhah, M. 2013. Estimation of the genetic parameters for survival rate in Lori-Bakhtiari lambs using linear and Weibull proportional hazard models. Journal of Agricultural Science and Technology, 15:1133-1143.
32. Vatankhah, M., and M. A. Talebi. 2014. The study of the causes of culling and survival distribution function in Lori-Bakhtiari ewes. Journal of Ruminant Research, 2:145-156. (In Persian).
33. Vukasinovic, N., J. Moll, and L. Casanova. 2001. Implementation of a routine genetic evaluation for longevity based on survival analysis techniques in dairy cattle populations in Switzerland. Journal of Dairy Science, 84:2073-2080.
34. Wang, T., Fernando, R. L. and Kachman, S. D. 2002. Matvec User’s Guide. Version 1.03. Available: http://statistics.unl.edu/faculty/steve/software/matvec/.
35. Yazdi, M. H., Visscher, P. M., Ducrocq, V. and Thompson, R. 2002. Heritability, reliability of genetic evaluations and response to selection in proportional hazard models. Journal of Dairy Science, 85:1563-1577.
36. Zamani, P., M. Akhondi, and M. R. Mohammadabadi. 2015. Associations of Inter-Simple Sequence Repeat loci with predicted breeding values of body weight in sheep. Small Ruminant Research, 132:123-127.
Send comment about this article