Pre- and Postpubertal LH and Estradiol Pattern in Gilts Subjected to Intermittent Inescapable Electroshock

Acta Veterinaria Scandinavica

Volumn 37, Issue 2, 1996, Pages 153-161

  Pedersen, L J ^a,b   Jensen, K H ^a   Jorgensen, E ^a  

^a DANISH INSTITUTE OF AGRICULTURAL SCIENCES   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

puberty; stress

Indexed keywords

ESTRADIOL; LUTEINIZING HORMONE;

ANIMAL; ANIMAL DISEASE; ARTICLE; BLOOD; ELECTRIC SHOCK; FEMALE; PHYSIOLOGY; SEXUAL MATURATION; SWINE; TIME;

ANIMALS; ELECTROSHOCK; ESTRADIOL; FEMALE; LUTEINIZING HORMONE; SEXUAL MATURATION; SWINE; TIME FACTORS;

EID: 0029693562     PISSN: 0044605X     EISSN: 17510147     Source Type: Journal    
DOI: 10.1186/BF03548108     Document Type: Article

References (31)

1. Barb CR, Kraeling RR, Rampacek GB, Fonda ES, Kiser TE: Inhibition of ovulation and LH secre-tion in the gilt after treatment with ACTH or hy-drocortisone. J. Reprod. Fert., 1982, 64, 85–92. DOI: 10.1530/jrf.0.0640085
2. Barnett JL, Hutson GD: Objective assessment of welfare in the pig: Contributions from physiology and behaviour. In: Barnett J.L. {etet al}.(eds): Manipulating pig production. Australasian pig science association, Werribee, Victoria, Australia. 1987, pp 1–22.
3. Christenson RK: Influence of confinement and sea-son of the year on puberty and estrous activity of gilts. J. Anim. Sci., 1981, 52, 821–830. DOI: 10.2527/jas1981.524821x
4. Clark JR, Bell RW, Tribble RW, Lennon AM: Effects of composition and density of the group on the performance, behaviour and age at puberty in swine. Appi. Anim. Behav. Sci., 1985, 14, 127–135. DOI: 10.1016/0168-1591(85)90024-3
5. Esbenshade KL, Day BN: The effects of triamcino-lone acetonide on plasma glucocorticoid levels and occurrence of estrus in gilts. J. Anim. Sci., 1980, 51, 153–157. DOI: 10.2527/jas1980.511153x
6. Estienne MJ, Barb CR, Kesner JS: Luteinizing hor-mone secretion in hypophysial stalktransected gilts given hydrocortisone acetate and pulsatile gonadotrphin-releasing hormone. Dom. Anim. Endocrinol., 1991, 8, 407–414. DOI: 10.1016/0739-7240(91)90008-8
7. Fonda ES, Rampacek GB, KraelingRR: The effect of adrenocorticotropin or hydrocortisone on serum, luteinizing hormone concentrations after adrena-lectomy and/or ovariectomy in the prepuberal gilt. Endocrinology, 1984, 114, 268–273. DOI: 10.1210/endo-114-1-268
8. Frautschy SA, Gaon D, Liptrap RM: Effect of dexa-methasone on gonadotrophin secretion in the gonadectomized sow and boar. Can. J. vet. Res., 1989, 53, 490–492.
9. Jensen KH, Pedersen U, Giersing Hagelso AM, Heller KE, Jorgensen E, Ladewig J: Intermittent stress in pigs: Behavioural and pituitary-adreno-cortical reactivity. Acta Agric. Scand., 1995, 45, 276–285. DOI: 10.1111/j.1399-6576.1995.tb04059.x
10. Jensen KH, Hansen S, Pedersen U: The effect of long-term stress on the hypothalamicpituitary-adrenocortical axis and the role of the stressor. Acta Agric. Scand., 1996a, In press.
11. Jensen KH, Pedersen LJ, Nielsen EK, Heller KE, Ladewig J, Jorgensen E: Intermittent stress in pigs: Effects on behaviour, pituitary-adrenocorti-cal axis, growth and gastric ulceration. Physiol. Behav., 1996b, In press.
12. Kraeling RR, Barb CR: Hypothalamic control of gonadotrophin and prolactin secretion in pigs. J. Reprod. Fert, 1990, 40 (Suppl.), 3–17.
13. Kunavongkrit A, Kindahl H, Made] A: Clinical and endocrinological studies in primiparous zero-weaned sows. 2. Hormone patterns of normal cy-cling sows after zero-weaning. Zbl. Vet. Med. A., 1983, 50, 616–624.
14. Ladewig J, de Passillé AM, Rushen J, Schouten W, Terlouw C, Von Borell E: Stress and the physio-logical correlates of stereotypic behaviour. In: Lawrence AB, Rushen J (eds): Stereotypic Ani-mal Behaviour. Fundamentals and Applications to welfare. CAB International, Walingford, U.K. 1993, pp 97–118.
15. Liptrap RM, Cummings E: Steroid concentrations in follicular fluid of sows treated with dexametha-sone. Anim. Reprod. Sci., 1991, 26, 303–310. DOI: 10.1016/0378-4320(91)90055-5
16. Liptrap RM: Effect of corticotrophin and corticoster-oids on oestrus, ovulation and oestrogen excre-tion in the sow. J. Endocrinology, 1970, 47, 197–205. DOI: 10.1677/joe.0.0470197
17. Merriam GR, Wächter K: Algorithms for the study of episodic hormone secretion. Amer. J. Physiol., 1982, 243, E310–E318.
18. Moberg GP: How behavioral stress disrupts the en-docrine control of reproduction in domestic animals. J. Dairy Sci., 1991, 74, 304–311. DOI: 10.3168/jds.S0022-0302(91)78174-5
19. Munksgaard L: Metoder til vurdering af stress hos kvaeg med fokus på adfasrd, hypofysebinyrebark-aksen og vaeksthormonkoncentration (Methods for evaluation of stress in cattle with speciel ref-erences to behaviour, pituitary-adrenalcortical axis and growth hormone). Ph.D. afhandling. Den Kgl. Vet. og Landbohejskole, Denmark, 1994, pp 128.
20. Paterson AM, Pearce GP: Boar-induced puberty in gilts handled pleasantly or unpleasantly during rearing. Appi. Anim. Beh. Sci., 1989, 22, 225–233. DOI: 10.1016/0168-1591(89)90017-8
21. Pollard I, Cairncross KD: Ultrastructural changes in adenohypophysis adrenal gland activity and de-synchronization of the oestrus cycle following unpredictable stress in rats. Aust. J. Biol. Sci., 1977, 30, 559–572. DOI: 10.1071/BI9770559
22. Prunier A, Meunier-Salaün MC: The influence of boar stimulation on puberty attainment in teth-ered and group penned gilts. Theriogenology, 1989, 32, 949–959. DOI: 10.1016/0093-691X(89)90504-9
23. Przekop F, Wolinska-Witort E, MateusiakK, Sadow-ski B, Domanski E: The effect of prolonged stress on the oestrus cycles and prolactin secretion in sheep. Anim. Reprod. Sci., 1984, 7, 333–342. DOI: 10.1016/0378-4320(84)90018-6
24. Rampacek GB, Kraeling RR, Kiser TE: Delayed pu-berty in gilts in total confinement. Theriogenol-ogy, 1981, 75, 491–499. DOI: 10.1016/0093-691X(81)90092-3
25. Rivier C, Rivest S: Review. Effect of stress on the ac-tivity of the hypothalamic-pituitarygonadal axis: Peripheral and central mechanisms. Biol, of Re-prod, 1991, 45, 523–532. DOI: 10.1095/biolreprod45.4.523
26. Rivier C, Rivier J, Vale W: Stress-induced inhibition of reproductive functions: Role of endogenous corticotrophin-releasing factor. Science, 1986, 231, 607–609. DOI: 10.1126/science.3003907
27. Siegel S, Castellan JR: Nonparametric statistics for the behavioral science. McGraw-Hill Inc., New York. 1988, pp 399.
28. SAS Institute Inc.: SAS user's guide. SAS Institute Inc., NC. 1986, pp 433–506.
29. Stupnicki R, Madej A: Radioimminoassay of LH in blood plasma of farm animals. Endokrinologie, 1976, 68, 6–13.
30. Weiner RI, Findell PR, Kordon C: Role of classic and peptide neuromediators in the neuroendocrine regulation of LH and prolactin. In: Knobil E, Neill J (Eds): The Physiology of Reproduction. Raven press, Ltd., New York. 1988, pp 1235–1281.
31. Xiao E, Luckhaus J, Niemann W, Ferin M: Acute in-hibition of gonadotrophin secretion by corticot-rophin-releasing hormone in the primate: Are the adrenal glands involved ?. Endocrinology, 1989, 124, 1632–1637. DOI: 10.1210/endo-124-4-1632