LH pulsatile release patterns, follicular growth and function during repetitive periods of suckling and non-suckling in sows

Theriogenology

Volumn 67, Issue 5, 2007, Pages 1076-1086

  Langendijk, P ^a   Dieleman, S J ^b   van den Ham, C M ^a   Hazeleger, W ^a   Soede, N M ^a   Kemp, B ^a  

^a WAGENINGEN UNIVERSITY   (Netherlands)

^b UTRECHT UNIVERSITY   (Netherlands)

Author keywords

Lactation; LH; Ovulation; Sow; Suckling

Indexed keywords

ESTRADIOL; HYDROCORTISONE; LUTEINIZING HORMONE;

ANIMAL; ARTICLE; BLOOD; BODY WEIGHT; EATING; ECHOGRAPHY; ESTRUS; FEMALE; GROWTH, DEVELOPMENT AND AGING; LACTATION; OVARY FOLLICLE; PHYSIOLOGY; SECRETION; SUCKLING; SWINE;

ANIMALS; ANIMALS, SUCKLING; BODY WEIGHT; EATING; ESTRADIOL; ESTRUS; FEMALE; HYDROCORTISONE; LACTATION; LUTEINIZING HORMONE; OVARIAN FOLLICLE; SWINE;

EID: 33847016910     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.theriogenology.2006.12.008     Document Type: Article

References (33)

1. Quesnel H., and Prunier A. Endocrine bases of lactational anestrus in the sow. Reprod Nutr Dev 35 (1995) 395-414
2. Kemp B., and Soede N.M. Relationship of weaning-to-estrus interval to timing of ovulation and fertilization in sows. J Anim Sci 74 (1996) 944-949
3. Kemp B. Lactational effects on the endocrinology of reproduction. In: Verstegen M.W.A., Moughan P.J., and Schrama J.W. (Eds). The lactating sow (1998), Wageningen Press 241-258
4. Armstrong J.D., Kraeling R.R., and Britt J.H. Effects of naloxone or transient weaning on secretion of LH and prolactin in lactating sows. J Reprod Fertil 83 (1988) 301-308
5. Varley MA, Foxcroft GR. Endocrinology of the lactating and weaned sow. In: Cole DJA, Foxcroft GR, Weir BJ, editors. Control of pig reproduction III. J Reprod Fertil 1990;(Suppl. 40):47-61.
6. Barb C.R., Kraeling R.R., Rampacek G.B., and Whisnant C.S. Opioid inhibition of luteinizing hormone secretion in the postpartum lactating sow. Biol Reprod 35 (1986) 368-371
7. Langendijk P., Gerritsen R., Hazeleger W., Soede N.M., and Kemp B. Lactational anestrus in the sow. Pig J 55 (2005) 192-200
8. Soede N.M., Kemp B., and Noordhuizen J.P.T.M. The duration of ovulation in pigs, studied by transrectal ultrasonography, is not related to early embryonic diversity. Theriogenology 38 (1992) 653-666
9. Langendijk P., Soede N.M., and Kemp B. Effects of boar contact and housing conditions on estrus expression in weaned sows. J Anim Sci 78 (2000) 871-878
10. Van den Brand H., Dieleman S.J., Soede N.M., and Kemp B. Dietary energy source at two feeding levels during lactation of primiparous sows. I. Effects on glucose, insulin and luteinizing hormone and on follicle development, weaning-to-estrus-interval and ovulation rate. J Anim Sci 78 (2000) 396-404
11. Vandalem J.L., Bodart C., Pirens G., Closset J., and Hennen G. Development and application of homologous radioimmunoassays for porcine gonadotrophins. J Endocrinol 81 (1979) 1-10
12. Dieleman S.J., and Bevers M.M. Effects of monoclonal antibody against PMSG administered shortly after the preovulatory LH surge on time and number of ovulations in PMSG/PG treated cows. J Reprod Fertil 81 (1987) 533-542
13. McLeod B.J., and Craigon J. Time series analysis of plasma LH and FSH concentrations as a method of assessing episodic secretion. J Reprod Fertil 74 (1985) 575-587
14. SAS/STAT. User's Guide. SAS Institute. Cary, NC; 1990.
15. Sesti L.A., and Britt J.H. Agonist-induced release of gonadotropin-releasing hormone, luteinizing hormone, and follicle-stimulating hormone and their associations with basal secretion of luteinizing hormone and follicle-stimulating hormone throughout lactation in sows. Biol Reprod 49 (1993) 332-339
16. Edwards S. The endocrinology of the post-partum sow. In: Cole D.J.S., and Foxcroft G.R. (Eds). Control of pig reproduction (1982), Butterworths, London 439
17. Guthrie H.D., Bolt D.J., and Cooper B.S. Effects of gonadotropin treatment on ovarian follicle growth and granulosal cell aromatase activity in prepuberal gilts. J Anim Sci 68 (1990) 3719-3726
18. Duggan R.T., Bryant M.J., and Cunningham F.J. Gonadotrophin, total oestrogen and progesterone concentrations in plasma of lactating sows with particular reference to lactational estrus. J Reprod Fertil 64 (1982) 303-313
19. Shaw H.J., and Foxcroft G.R. Relationships between LH, FSH and prolactin secretion and reproductive activity in the weaned sow. J Reprod Fertil 75 (1985) 17-28
20. Mattioli M., Galeati G., and Seren E. Control of LH and PRL secretion during lactational anestrus in the pig. Eleventh International congress on animal reproduction. Dublin (1988) 44
21. Williams G.L., Gazal O.S., Guzman Vega G.A., and Stanko R.L. Mechanisms regulating suckling-mediated anovulation in the cow. Anim Reprod Sci 42 (1996) 289-297
22. Kemp B., Soede N.M., and Langendijk P. Effects of boar contact and housing conditions on estrus expression in sows. Theriogenol 63 (2005) 643-656
23. Rojanasthien S. Effect of transportation and relocation in post-weaning anoestrous primiparous sows. Acta Vet Scand 30 (1989) 1-8
24. Langendijk P., van den Brand H., Soede N.M., and Kemp B. Effect of boar contact on follicular development and on estrus expression after weaning in primiparous sows. Theriogenol 54 (2000) 1295-1303
25. Gerritsen R, Soede NM, Hazeleger W, Dieleman SJ, Langendijk P, Kemp B. Peri-estrus hormone profiles and follicle growth during lactation in sows under limited nursing (Intermittent Suckling) regimes. Reprod Dom Anim 2007, in press.
26. Virolainen J.V., Love R.J., Tast A., and Peltoniemi O.A. Plasma progesterone concentration depends on sampling site in pigs. Anim Reprod Sci 86 (2005) 305-316
27. Rojanasthien S. LH-patterns in jugular plasma and estradiol-17 beta and progesterone in utero-ovarian and jugular plasma of primiparous sows around weaning. Zentralbl Veterinarmed A 35 (1988) 498-505
28. Flowers B., Cantley T.C., Martin M.J., and Day B.N. Episodic secretion of gonadotrophins and ovarian steroids in jugular and utero-ovarian vein plasma during the follicular phase of the oestrous cycle in gilts. J Reprod Fertil 91 (1991) 101-112
29. Smith D.M. The effect of daily separation of sows from their litters upon milk yield, creep intake and energy efficiency. N Z J Agric Res 4 (1961) 232
30. Crighton D.B. Induction of pregnancy during lactation in the sows. J Reprod Fertil 22 (1970) 223-231
31. Rowlinson P., and Bryant M.J. Lactational estrus in the sow. 2. The influence of group-housing, boar presence and feeding level upon the occurrence of estrus in lactating sows. Anim Prod 34 (1982) 283-290
32. Stevenson J.S., and Davis D.L. Influence of reduced litter size and daily litter separation on fertility of sows at 2-5 weeks postpartum. J Anim Sci 59 (1984) 284-293
33. Newton E.A., Stevenson J.S., and Davis DL. Influence of duration of litter separation and boar exposure on estrus expression of sows during and after lactation. J Anim Sci 65 (1987) 1500-1506