Effect of eCG or eCG plus hCG on oestrus expression and ovulation in prepubertal gilts

Reproduction in Domestic Animals

Volumn 44, Issue 3, 2009, Pages 411-413

  Manjarin, R ^a   Cassar, G ^b   Sprecher, Dj ^a   Friendship, Rm ^b   Dominguez, Jc ^c   Kirkwood, Rn ^a  

^a MICHIGAN STATE UNIVERSITY   (United States)

^b UNIVERSITY OF GUELPH   (Canada)

^c UNIVERSITY OF LEÓN   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

CHORIONIC GONADOTROPIN; PROGESTERONE;

ANIMAL; ARTICLE; BLOOD; BODY WEIGHT; BREEDING; DRUG EFFECT; DRUG INTERACTION; ECHOGRAPHY; ESTRUS; FEMALE; HORSE; OVARY FOLLICLE; OVULATION; PHYSIOLOGY; SEXUAL MATURATION; SWINE;

ANIMALS; BODY WEIGHT; BREEDING; CHORIONIC GONADOTROPIN; DRUG INTERACTIONS; ESTRUS; FEMALE; HORSES; OVARIAN FOLLICLE; OVULATION; PROGESTERONE; SEXUAL MATURATION; SWINE;

EQUIDAE; SUIDAE;

EID: 65649104132     PISSN: 09366768     EISSN: 14390531     Source Type: Journal    
DOI: 10.1111/j.1439-0531.2008.01089.x     Document Type: Article

References (16)

1. Bolamba D, Matton P, Estrada R, Dufour JJ, 1992 : Effect of pregnant mare's serum gonadotropin treatment on follicular populations and ovulation rates in prepuberal gilts with two morphologically different ovarian types. J Anim Sci 70, 1916 1922.
2. Bolamba D, Dubuc A, Dufour JJ, Sirard M-A, 1996 : Effects of gonadotropin treatment on ovarian follicle growth, oocyte quality and in vitro fertilization of oocytes in prepubertal gilts. Theriogenology 46, 717 726. (Pubitemid 28155902)
3. Britt JH, Esbenshade KL, Heller K, 1985 : Responses of seasonally anestrus gilts and weaned primiparous sows to treatment with pregnant mare's serum gonadotropin and altrenogest. Theriogenology 26, 697 707.
4. Combarnous Y, Guillou F, Martinat N, Cahoreau C, 1984 : Origin of the FSH + LH double activity of equine chorionic gonadotropin (eCG/PMSG). Ann Endocrinol (Paris) 45, 261 268. (Pubitemid 15157009)
5. Dial GD, Dial OK, Wilkinson RS, Dziuk PJ, 1984 : Endocrine and ovulatory responses of the gilt to exogenous gonadotropins and estradiol during sexual maturation. Biol Reprod 30, 289 299. (Pubitemid 14144454)
6. Driancourt MA, Locatelli A, Prunier A, 1995 : Effects of gonadotrophin deprivation on follicular growth in gilts. Reprod Nutr Dev 35, 663 673.
7. 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.
8. Flowers B, Martin MJ, Cantley TC, Day BN, 1989 : The effect of pregnant mare serum gonadotropin on follicle stimulating hormone and estradiol secretion in the prepuberal gilt. Anim Reprod Sci 21, 93 100.
9. Gama RD, Vianna WL, Pinese ME, de Campos Rosseto A, de Sant'Anna Moretti A, 2005 : Different doses of porcine luteinizing hormone in precocious puberty induction in gilts. Reprod Dom Anim 40, 433 435. (Pubitemid 43942899)
10. Guthrie HD, 1977 : Induction of ovulation and fertility in prepuberal gilts. J Anim Sci 45, 1360 1367.
11. Guthrie HD, Bolt DJ, Kiracofe GH, Miller KF, 1988 : Ovarian response to injections of charcoal-extracted porcine follicular fluid and porcine follicle stimulating hormone in gilts fed a progesterone agonist (altrenogest). Biol Reprod 38, 750 755. (Pubitemid 18201081)
12. Guthrie HD, Bolt DJ, Cooper BS, 1990 : Effects of gonadotropin treatment on ovarian follicle growth and granulosal cell aromatase activity in prepuberal gilts. J Anim Sci 68, 3719 3726.
13. Kirkwood RN, 1999 : Pharmacological intervention in swine reproduction. Swine Health Prod 7, 29 35.
14. Knox RV, Althouse GC, 1999 : Visualising the reproductive tract of the female pig using real-time ultrasonography. Swine Health Prod 7, 207 215. (Pubitemid 129633963)
15. do Lago V, Vianna WL, Gama RD, de Campos Rosseto A, Pinese ME, de Sant'Anna Moretti A, 2005 : Second oestrus synchronization and precocious embryo viability after puberty induction in gilts by the use of gonadotrophin treatment. Reprod Dom Anim 40, 141 144. (Pubitemid 40534346)
16. Tilton SL, Bates RO, Prather RS, 1995 : Evaluation of responses to hormonal therapy in prepubertal gilts of different genetic lines. J Anim Sci 73, 3062 3068.