Reducing the length of time between slaughter and the secondary gonadotropin-releasing factor immunization improves growth performance and clears boar taint compounds in male finishing pigs

Journal of Animal Science

Volumn 89, Issue 9, 2011, Pages 2782-2792

  Lealiifano, A K ^a   Pluske, J R ^b   Nicholls, R R ^c   Dunshea, F R ^d   Campbell, R G ^e   Hennessy, D P ^f   Miller, D W ^b   Hansen, C F ^g   Mullan, B P ^a  

^a RIVALEA AUSTRALIA PTY LTD   (Australia)

^b MURDOCH UNIVERSITY   (Australia)

^c Bentley Delivery Centre   (Australia)

^d UNIVERSITY OF MELBOURNE   (Australia)

^e UNIVERSITY OF ADELAIDE   (Australia)

^f Private consultant   (Australia)

^g UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Anti gonadotropin releasing factor; Boar taint; Carcass; Color measurement; Pig; Timing

Indexed keywords

ANDROSTERONE; GONADORELIN; SKATOLE;

ADIPOSE TISSUE; ANIMAL; ANIMAL DISEASE; ANIMAL HUSBANDRY; ARTICLE; CHEMISTRY; GROWTH, DEVELOPMENT AND AGING; HISTOLOGY; IMMUNIZATION; IMMUNOLOGY; MALE; MEAT; METHODOLOGY; PHYSIOLOGY; STANDARD; SWINE; TESTIS; TIME;

ADIPOSE TISSUE; ANDROSTERONE; ANIMAL HUSBANDRY; ANIMALS; GONADOTROPIN-RELEASING HORMONE; IMMUNIZATION; MALE; MEAT; SKATOLE; SWINE; TESTIS; TIME FACTORS;

PIERIS BRASSICAE; SUIDAE;

EID: 80052686966     PISSN: 00218812     EISSN: 15253163     Source Type: Journal    
DOI: 10.2527/jas.2010-3267     Document Type: Article

References (23)

1. Babol, J., E. J. Squires, and E. A. Gullett. 1996. Investigation of factors responsible for the development of boar taint. Food Res. Int. 28:573-581.
2. Bonavera, J. J., M. G. Dube, P. S. Kalra, and S. P. Kalra. 1994. Anorectic effects of oestrogen may be mediated by decreased neuropeptide-Y release in the hypothalamic paraventricular nucleus. Endocrinology 134:2367-2370.
3. Bonneau, M., P. Walstra, C. Claudi-Magnussen, A. J. Kempster, E. Tornberg, K. Fischer, A. Diestre, F. Siret, P. Chevillon, R. Claus, G. Dijksterhuis, P. Punter, K. R. Matthews, H. Agerhem, M. P. Be'ague, M. A. Oliver, M. Gispert, U. Weiler, G. von Seth, H. Leask, M. Font i Furnols, D. B. Homer, and G. L. Cook. 2000. An international study on the importance of androstenone and skatole for boar taint: IV. Simulation studies on consumer dissatisfaction with entire male pork and the effect of sorting carcasses on the slaughter line, main conclusions and recommendations. Meat Sci. 54:285-295.
4. Campbell, R. G., and M. R. Taverner. 1988. Genotype and sex effects on the relationship between energy intake and protein deposition in growing pigs. J. Anim. Sci. 66:676-686.
5. Claus, R., M. Lacorn, K. Danowski, M. Pearce, and A. Bauer. 2007. Short-term endocrine and metabolic reactions before and after second immunization against GnRH in boars. Vaccine 25:4689-4696.
6. Cronin, G. M., F. R. Dunshea, K. L. Butler, I. McCauley, J. L. Barnett, and P. H. Hemsworth. 2003. The effects of immune- and surgical-castration on the behavior and consequently growth of group-housed, male finisher pigs. Appl. Anim. Behav. Sci. 1999:1-16.
7. Dunne, P., F. O'Mara, F. Monahan, P. French, and A. Moloney.2005. Color of muscle from 18-month-old steers given long-term daily exercise. Meat Sci. 71:219-229.
8. Dunshea, F. R., C. Colantoni, K. Howard, I. McCauley, P. Jackson, K. A. Long, S. Lopaticki, E. A. Nugent, J. A. Simons, J. Walker, and D. P. Hennessy. 2001. Vaccination of boars with a GnRH vaccine (Improvac) eliminates boar taint and increases growth performance. J. Anim. Sci. 79:2524-2535.
9. Dunshea, F. R., I. McCauley, P. Jackson, K. A. Long, E. A. Nugent, J. A. Simons, J. Walker, and D. P. Hennessy. 2008. An immunocastration vaccine decreases boar taint compounds for at least 8 weeks after the second vaccination. Page 103 in Book of Abstract of 59th Annu. Meet. Eur. Assoc. Anim. Prod. Wageningen Academic Publishers, Wageningen, the Netherlands.
10. Einarsson, S. 2006. Vaccination against GnRH. Pros and cons. Acta Vet. Scandinavica 48(Suppl. 1):S10. (Abstr.)
11. Klont, R., V. Barnier, F. Smulders, A. Van Dijk, A. Hoving-Bolink, and G. Eikelenboom. 1999. Post-mortem variation in pH, temperature, and color profiles of veal carcasses in relation to breed, blood hemoglobin content, and carcass characteristics. Meat Sci. 53:195-202.
12. McCauley, I., G. M. Cronin, J. L. Barnett, K. L. Butler, D. P. Hennessy, R. G. Campbell, B. Luxford, R. J. Smits, A. J. Tillbrook, and F. R. Dunshea. 2000. An immunocastration vaccine (Improvac) increases growth in individually and group-housed boars. J. Anim. Sci. 78(Suppl. 1):138. (Abstr.)
13. McCauley, I., G. M. Cronin, D. P. Hennessy, R. J. Smits, and F. R. Dunshea. 2001. Carcass damage at slaughter is reduced equally by surgical and immunological castration. Page 82 in Manipulating Pig Production VIII. P. D. Cranwell, ed. Australas. Pig Sci. Assoc., Werribee, Australia.
14. McCauley, I., M. Watt, D. Suster, D. J. Kerton, W. T. Oliver, R. J. Harrell, and F. R. Dunshea. 2003. A GnRF vaccine (Improvac) and porcine somatotropin (Reporcin) have synergistic effects upon growth performance in both boars and gilts. Aust. J. Agric. Res. 54:11-20.
15. Moore, K. L., F. R. Dunshea, B. P. Mullan, D. P. Hennessy, and D. N. D'Souza. 2009. Ractopamine supplementation increases lean deposition in entire and immunocastrated male pigs. Anim. Prod. Sci. 49:1113-1119.
16. NHMRC. 2004. Australian Code of Practice for the Care and Use of Animals for Scientific Purposes. 7th ed. National Health and Medical Research Council, Canberra, Australian Capital Territory, Australia.
17. Oliver, W. T., I. McCauley, R. J. Harrell, D. Suster, D. J. Kerton, and F. R. Dunshea. 2003. A gonadotropin-releasing factor vaccine (Improvac) and porcine somatotropin have synergistic and additive effects on growth performance in group-housed boars and gilts. J. Anim. Sci. 81:1959-1966.
18. Pauly, C., P. Spring, V. O'Doherty, S. Ampuero Kragten, and G. Bee. 2009. Growth performance, carcass characteristics and meat quality of group-penned surgically castrated, immunocastrated (Improvac) and entire male pigs and individually penned entire male pigs. Animal 3:1057-1066.
19. Suster, D., B. J. Leury, D. J. Kerton, M. R. Borg, K. L. Butler, and F. R. Dunshea. 2006. Longitudinal DXA measurements demonstrate lifetime differences in lean and fat tissue deposition in individually penned and group-penned boars and barrows. Aust. J. Agric. Res. 57:1009-1015.
20. Walstra, P., C. Claudi-Magnussen, P. Chevillonc, G. von Sethd, A. Diestree, K. R. Matthews, D. B. Homer, and M. Bonneau. 1999. An international study on the importance of androstenone and skatole for boar taint: Levels of androstenone and skatole by country and season. Livest. Prod. Sci. 62:15-28.
21. Weiler, U., R. Claus, M. Dehnhard, and S. Hofacker. 1996. Influence of the photoperiod and a light reverse program on metabolically active hormones and food intake in domestic pigs compared with a wild boar. Can. J. Anim. Sci. 76:531-539.
22. Zamaratskaia, G., H. K. Andersson, G. Chen, K. Andersson, A. Madej, and K. Lundstrom. 2008. Effect of gonadotropin-releasing hormone vaccine (Improvac) on steroid hormones, boar taint compounds and performance in entire male pigs. Reprod. Domest. Anim. 43:351-359.
23. Zamaratskaia, G., and E. J. Squires. 2008. Biochemical, nutritional and genetic effects on boar taint in entire male pigs. Animal 3:1508-1521.