Effect of a single injection of a long-acting gonadotropin-releasing hormone agonist on prepubertal male and female pigs on reproductive organs, growth performance and sensory qualities of pork roasts

Reproduction Nutrition Development

Volumn 36, Issue 3, 1996, Pages 321-332

  Reid, J ^a   Dufour, J J ^a   Sirard, M A ^b  

^a UNIVERSITÉ LAVAL   (Canada)

^b LAVAL UNIVERSITY   (Canada)

Author keywords

Castration; GnRH; Pig; Pituitary; Steroid; Testis

Indexed keywords

GONADORELIN AGONIST; TESTOSTERONE;

ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTICLE; CASTRATION; CONTROLLED STUDY; FEMALE; FLAVOR; FOOD QUALITY; GENITAL SYSTEM; GERM CELL; GROWTH; MALE; MEAT INDUSTRY; NONHUMAN; OVARY; PREPUBERTY; SPERMATOZOON COUNT; SUSTAINED RELEASE PREPARATION; SWINE; TESTIS WEIGHT; TESTOSTERONE BLOOD LEVEL; UTERUS WEIGHT;

ANIMALIA; SUS SCROFA;

EID: 0030013130     PISSN: 09265287     EISSN: None     Source Type: Journal    
DOI: 10.1051/rnd:19960309     Document Type: Article

References (47)

1. 6, des-Gly-NH210]LHRH ethylamide on LH/hCG and PRL testicular receptor levels in the rat. Endocrinology 101, 1890-1893
2. Auclair C, Kelly PA, Labrie F, Coy DH, Schally AV (1977b) Inhibition of testicular luteinizing hormone receptor leval by treatment with a potent luteinizing hormone-releasing hormone agonist or human chorionic gonadotropin Biochem Biophys Res Commun 76, 855-862
3. Bélanger A, Auclair C, Ferland S, Caron, S, Labrie F (1980) Time-course of the effect of treatment with a potent LHRH agonist on testicular steroidogenesis and gonadotropin receptor levels in the adult rat J Steroid Biochem 13, 191-196
4. Berquist C, Nillius SJ, Wide L (1979) Intranasal gonadotropin-releasing hormone agonist as a contraceptive agent Lancet (Lond) 2, 215-217
5. Bonneau M (1982) Compounds responsible for boar taint, with special emphasis on androstenone; a review. Livest Prod Sci 9, 687-705
6. Bonneau M (1988) Advantages and disadvantages of meat production from entire male pigs. Prod Anim INRA 1, 133-140
7. Bonneau M, Dufour R, Chouvet C, Roulet C, Meadus W, Squires EJ (1994) The effects of immunization against LHRH on performance, sexual development, and levels of boar taint-related compounds in intact male pigs J Anim Sci 72, 14-20
8. Brooks RI, Pearson AM (1986) Steroid hormone pathways in the pig, with special emphasis on boar odor; a review J Anim Sci 62, 632-645
9. Brooks RI, Pearson AM, Hogberg MG, Pestka JJ, Gray JI (1986) An immunological approach for prevention of boar odor in pork. J Anim Sci 62, 1279-1289
10. Caraty A, Bonneau M (1986) Immunisation active du porc mâle contre la gonadorhbérine, effets sur la sécrétion d'hormones gonadotropes et sur la teneur en 5∂-alpha-androst-16-ene-3-one du tissu adipeux. CR Acad Sci Paris, série III, 303, 673-676
11. Charette LA (1961) The effects of sex and age of male at castration on growth and carcass quality of Yorkshire swine Can J Anim Sci 41, 30-39
12. Cusan L, Auclair C, Bélanger A, Ferland L, Kelly PA, Seguin C, Labrie F (1979) Inhibitory effects of long-term treatment with a luteinizing hormone-releasing hormone agonist on the pituitary-gonadal axis in male and female rats. Endocrinology 104, 1369-1376
13. Denzer LE, Thompson LH, McKeith FK, Parrett DF, Thomas DL (1986) Evaluation of growth, carcass traits and reproductive organs of young boars in response to zeranol implantation J Anim Sci 62, 1164-1171
14. Desmoulin B (1973) Qualités de carcasse des porcs Large-White. Aptitudes aux rationnements suivant le sexe et après la castration. Jour Rech Porc Fr 5, 189-199
15. Desmoulin B, Bonneau M (1979) Production de viandes de porcs mâles entiers ou castrés, efficacité et composition corporelle chez les races hypermusclées. Ann Zootech 28, 35-51
16. Desmoulin B, Bonneau M, Frouin A, Bidard JP (1982) Consumer testing of pork and processed meat from boars, the influence of fat androstenone level. Livest Prod Sci 9, 707-715
17. Esbenshade KL (1987) Ovarian response to pregnant mare serum gonadotropin and porcine pituitary extract in gilts actively immunized against gonadotropin-releasing hormone. J Anim Sci 65, 1768-1774
18. Esbenshade KL, Britt JH (1985) Active immunization of gilts against gonadotropin-releasing hormone Effects on secretion of gonadotropins, reproductive function, and responses to agonists of gonadotropin-releasing hormone Biol Reprod 33, 569-577
19. Esbenshade KL, Johnson BH (1987) Active immunization of boars against gonadotropin-releasing hormone II Effects on libido and response to testosterone propionate. Theriogenology 27, 581-585
20. Falvo RE, Chandrashekar V, Arthur RD, Kuenstler AR, Hasson T, Awoniyi C, Schanbacher BD (1986) Effect of active immunization against LHRH or LH in boars, reproductive consequences and performance traits. J Anim Sci 63, 986-994
21. Griffiths NM, Patterson RLS (1970) Human olfactory reponses to 5∂-androst-16-en-3-one - principal component of boar taint J Sci Food Agric 21, 4-6
22. Grizzle TB, Esbenshade KL, Johnson BH (1987) Active immunization of boars against gonadotropin-releasing hormone. I Effects on reproductive parameters. Theriogenology 27, 571-580
23. Hsueh AJ, Erickson GF (1979) Extrapituitary action of gonadotropin-releasing hormone, direct inhibition ovarian steroidogenesi. Science 204, 854-855
24. Judge MD, Mills EW, Orcutt MW, Forrest JC, Diekman MA, Harmon BG, Lin RS, Nicholls LL (1990) Utilization of boar meat, composition, quality and odor incidence in relation to androstenone and skatole J Anim Sci 68, 1030-1033
25. Kluber EF III, Minton JE, Stevenson JS, Hunt MC, Davis DL, Hoagland TA, Nelssen JL (1988) Growth, carcass traits, boar odor and testicular and endocrine functions of male pigs fed a progestogen, altrenogest J Anim Sci 66, 470-479
26. Labrie F, Auclair C, Cusan L, Kelly PA, Pelletier G, Ferland L (1978) Inhibitory effect of LHRH and its agonists on testicular gonadotropin receptors and spermatogenesis in the rat. In: 5th annual workshop on the testis, Endocrine Approach to Male Contraception. Int J Androl suppl 2, 303-308
27. Labrie F, Bélanger A, Cusan L, Séguin C, Pelletier G, Kelly P, Reeves JJ, Lefebvre FA, Lemay A, Gourdeau Y, Raynaud JP (1980) Antifertility effects of LHRH agonists in the male J Androl 1, 209-228
28. 10]GnRH ethylamide, J Androl 10, 456-465
29. 6, des-Gly-NH 10(2)] LH-RH ethylamide in the dog. J Steroid Biochem 33, 1007-1011
30. Lundstrom K, Malmfors B. Malmfors G, Stern S, Peterson H, Mortensen AB, Sorensen SE (1988) Skatole, androstenone and taint in boars fed two different diets Livest Prod Sci 18, 55-67
31. Newell JA, Bowland JP (1972) Performance, carcass composition, and fat composition of boars, gilts, and barrows fed two levels of protein. Can J Anim Sci 52, 543-551
32. Patterson RLS, Lightfoot AL (1984) Effect of sex grouping during growth on 5-alpha-androstenone development in boars at three commercial slaughter weights Meat Sci 10, 253-263
33. 6]-LHRH ethylamide Endocrinology 103, 641-643
34. Poste LM, Mackie DA, Butler G, Larmond E (1991) Laboratory methods for sensory analysis of foods. Publication 1864E, Agriculture Canada, Ottawa, 90 p
35. 9-NEt]luteinizing hormone-releasing factor on reproductive processes in the male rat. Endocrinology 105, 1191-1201
36. SAS Institute Inc (1989) SAS/STAT User's Guide, Version 6, 4th edn, vol 2, Cary, NC, USA, 846 p
37. Sather AP, Jones SD, Joyal S (1991) Feedlot performance, carcass composition and pork quality from entire male and female Landrace and Large White market-weight pigs. Can J Anim Sci 71, 29-42
38. Schally AV (1978) Aspect of hypothalamic regulation of the pituitary gland. Its implications for the control of reproductive processes Science 202, 18-28
39. Schanbacher BD, Yen JT. Pond WG (1985) Testosterone and the incidence of boar taint effects of testosterone or testosterone propionate on the incidence of boar taint in implanted barrows. Meat Sci 13, 237-246
40. Shenoy EVB, Daniel MJ, Box PG (1982) The boar taint steroid 5-alpha androst-16-en-3-one, an immunization trial. Acta Endocrinol 100, 131-136
41. Steel RGD, Torne JH (1980) Principles and Procedures of Statistics. A Biometrical Approach, 2nd edn. McGraw-Hill New York, USA
42. Tremblay Y, Belanger A, Labrie F, Frenette G, Dubé JY, Tremblay RR (1984) Characteristics of the inhibitory effect of chronic treatment with an LHRH agonist on testicular steroidogenesis in the dog. Prostate 5, 631-638
43. Voisey PW, Hansen H (1967) A shear apparatus for meat tenderness evaluation. Food Technol 21, 355-361
44. Ward JA, Furr BJ, Valcaccia B, Curry B, Bardin CW, Gunsalus GL, Morris ID (1989) Prolonged suppression of rat testis function by a depot formulation of Zoladex, a GnRH agonist J Androl 10, 478-486
45. Weinbauer GF, Respondek M, Themann H, Nieschlag E (1987) Reversibility of long-term effects of GnRH agonist administration on testicular histology and sperm production in the nonhuman primate. J Androl 8, 319-329
46. Williamson ED, Patterson RLS, Buxton ER, Mitchell KG, Partridge IG (1985) immunization against 5∂- androstenone in boars. Livest Prod Sci 12, 251-264
47. Ziecik AJ, Esbenshade KL, Britt JH (1989) Effects of a gonadotrophin-releasing hormone antagonist on gonadotrophin secretion and gonadal development in neonatal pigs. J Reprod Fertil 87, 281-289