Bio-economic evaluation of the use of sexed semen at different conception rates and herd sizes in Holstein populations

Animal Reproduction Science

Volumn 121, Issue 1-2, 2010, Pages 17-23

  Ghavi Hossein Zadeh, Navid ^a   Nejati Javaremi, Ardeshir ^b   Miraei Ashtiani, Seyed Reza ^b   Kohram, Hamid ^b  

^a UNIVERSITY OF GUILAN   (Iran)

^b UNIVERSITY OF TEHRAN   (Iran)

Author keywords

Artificial insemination; Bio economic evaluation; Genetic trend; Milk yield; Sexed semen

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; ARTIFICIAL INSEMINATION; BREEDING; CATTLE; DAIRYING; ECONOMICS; EVALUATION; FEMALE; FERTILIZATION; GENETIC ENGINEERING; LACTATION; MALE; METHODOLOGY; PHYSIOLOGY; POPULATION DENSITY; PREGNANCY; PREGNANCY RATE; SPECIES DIFFERENCE; SPERMATOZOON; BOVINAE; EVALUATION STUDY; PROCEDURES; VETERINARY;

ANIMALS; BREEDING; CATTLE; DAIRYING; FEMALE; FERTILIZATION; INSEMINATION, ARTIFICIAL; LACTATION; MALE; POPULATION DENSITY; PREGNANCY; PREGNANCY RATE; SEX PRESELECTION; SPECIES SPECIFICITY; SPERMATOZOA;

BOS;

EID: 77954458266     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anireprosci.2010.05.012     Document Type: Article

References (23)

1. Amann R.P. Issues affecting commercialization of sexed sperm. Theriogenology 1999, 52:1441-1457.
2. Baker R.L., Shannon P., Garrick D.J., Blair H.T., Wickham B.W. The future impact of new opportunities in reproductive physiology and molecular biology on genetic improvement programmes. Proc. N. Z. Soc. Anim. Prod. 1990, 50:197-210.
3. De Vries A., Overton M., Fetrow J., Leslie K., Eicker S., Rogers G. Exploring the impact of sexed semen on the structure of the dairy industry. J. Dairy Sci. 2008, 91:847-856.
4. Ettema J.F., Hoag D.L., Seidel G.E. Economic opportunities for sexed semen on commercial dairies. Western Dairy News 2007, 7(3).
5. Garner D.L., Seidel G.E. Past, present and future perspectives on sexing sperm. Can. J. Anim. Sci. 2003, 83:375-384.
6. Ghavi Hossein-Zadeh N., Nejati-Javaremi A., Miraei-Ashtiani S.R., Kohram H. An observational analysis of twin births, calf stillbirth, calf sex ratio, and abortion in Iranian Holsteins. J. Dairy Sci. 2008, 91:4198-4205.
7. Ghavi Hossein-Zadeh N., Nejati-Javaremi A., Miraei-Ashtiani S.R., Kohram H. Estimation of variance components and genetic trends for twinning rate in Holstein dairy cattle of Iran. J. Dairy Sci. 2009, 92:3411-3421.
8. Ghavi Hossein-Zadeh, N., 2010. The effect of twinning on milk yield, dystocia, calf birth weight and open days in Holstein dairy cows of Iran. J. Anim. Physiol. An. N., in press. doi:10.1111/j.1439-0396.2009.00963.x.
9. Groenendaal H., Galligan D.T., Mulder H.A. An economic spreadsheet model to determine optimal breeding and replacement decisions for dairy cattle. J. Dairy Sci. 2004, 87(7):2146-2157.
10. Hohenboken W.D. Applications of sexed semen in cattle production. Theriogenology 1999, 52:1421-1433.
11. Honarvar, M., 2009. The relationship between length of productive life and genetic trends of productive traits and profitability. Ph.D Thesis. University of Tehran, Karaj, Iran.
12. Korver S., Van Arendonk J.A.M., Koops W.J. A function for live-weight change between two calvings in dairy cattle. Anim. Prod. 1985, 40:233-241.
13. National Research Council Nutrient requirements of dairy cattle 2001, Natl. Acad. Sci., Washington, DC. 7th ed.
14. Olynk N.J., Wolf C.A. Expected net present value of pure and mixed sexed semen artificial insemination strategies in dairy heifers. J. Dairy Sci. 2007, 90:2569-2576.
15. SAS Institute User's Guide: Statistics, Version 9.1 Edition 2002, SAS Inst., Inc, Cary, NC.
16. Seidel G.E. Economics of selecting for sex: the most important genetic trait. Theriogenology 2003, 59:585-598.
17. Taylor J.F., Phillips K.R., Tomaszewski M.A. Net present value and economic merit of sexed semen and splitting units of semen for Australian Holsteins. J. Dairy Sci. 1988, 71:3100-3111.
18. Van Arendonk J.A.M. Studies on the replacement policies in dairy cattle. II. Optimum policy and influence of changes in production and prices. Livest. Prod. Sci. 1985, 13:101-121.
19. Van Vleck L.D. Theoretical and actual genetic progress in dairy cattle. Proc. Int. Conf. Quant. Genet. 1977, 543. Iowa State Univ. Press, Ames. E. Pollak, D. Kempthorne, T.B. Bailey (Eds.).
20. Van Vleck L.D. Potential genetic impact of artificial insemination, sex selection, embryo transfer, cloning and selfing in dairy cattle. New Technologies in Animal Breeding 1981, Academic Press, London, UK, p. 221.
21. Van Vleck L.D., Everett R.W. Genetic value of sexed semen to produced airy heifers. J. Dairy Sci. 1976, 59:1802-1807.
22. Weigel K.A. Exploring the role of sexed semen in dairy production systems. J. Dairy Sci. 2004, 87(E. Suppl.):E120-E130.
23. Wood P.D.P. Algebraic model of the lactation curve in cattle. Nature 1967, 216:164-165.