Growth hormone priming as an adjunct treatment in superovulatory protocols in the ewe alters follicle development but has no effect on ovulation rate

Theriogenology

Volumn 50, Issue 6, 1998, Pages 873-884

  Joyce, I M ^a   Khalid, M ^b   Haresign, W ^b  

^a UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^b ABERYSTWYTH UNIVERSITY   (United Kingdom)

Author keywords

BST; Growth hormone; IGF 1; Sheep; Superovulation

Indexed keywords

ESTRADIOL; FOLLITROPIN; GESTAGEN; GROWTH HORMONE; INSULIN; LUTEINIZING HORMONE; RECOMBINANT GROWTH HORMONE; SOMATOMEDIN BINDING PROTEIN; SOMATOMEDIN C; TESTOSTERONE;

ANIMAL; ANIMAL CELL; ANIMAL EXPERIMENT; ARTICLE; BLOOD; CLINICAL TRIAL; DRUG EFFECT; ESTRADIOL BLOOD LEVEL; ESTROGEN BLOOD LEVEL; ESTRUS CYCLE; FEMALE; GROWTH HORMONE BLOOD LEVEL; HISTOLOGY; METABOLISM; NONHUMAN; OVARY FOLLICLE; OVARY FOLLICLE FLUID; OVULATION; PHYSIOLOGY; RANDOMIZED CONTROLLED TRIAL; SECRETION; SHEEP; SUPEROVULATION;

ANIMALS; ESTRADIOL; ESTRUS SYNCHRONIZATION; FEMALE; FOLLICLE STIMULATING HORMONE; FOLLICULAR FLUID; GROWTH HORMONE; INSULIN; INSULIN-LIKE GROWTH FACTOR BINDING PROTEINS; INSULIN-LIKE GROWTH FACTOR I; LUTEINIZING HORMONE; OVARIAN FOLLICLE; OVULATION; SHEEP; SUPEROVULATION; TESTOSTERONE;

ANIMALIA; OVIS; OVIS ARIES;

EID: 0032532115     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(98)00192-7     Document Type: Article

References (22)

1. 1. Blum WF, Breier BH. Radioimmunoassays for IGFs and IGFBPs. Growth Reg 1994;4(Suppl 1):11-19.
2. 2. Downing JA, Scaramuzzi RJ. Nutrient effects on ovulation rate, ovarian function and the secretion of gonadotrophic and metabolic hormones in sheep. J Reprod Fertil 1991;43(Suppl):209-227.
3. 3. Eckery DC, Moeller CL, Nett TM, Sawyer HR. Recombinant bovine somatotropin does not improve superovulatory response in sheep. J Anim Sci 1994:72:2425-2430.
4. 4. Eckery DC, Moeller CL, Nett TM, Sawyer HR. Localization and quantification of binding sites for FSH, LH, GH and IGF-1 in sheep ovarian follicles. Biol Reprod 1997;57:507-513.
5. 5. Foxcroft GR, Shaw HJ, Hunter MG, Booth PJ, Lancaster RT. Relationships between LH, FSH and prolactin secretion and ovarian follicular development in the weaned sow. Biol Reprod 1987;36:175-191.
6. 6. Gong JG, Baxter G, Bramley TA, Webb R. Enhancement of ovarian follicle development in heifers by treatment with rBST: a dose response study. J Reprod Fertil 1997;110:91-97.
7. 7. Gong JG, Bramley TA, Webb R. The effect of recombinant bovine somatotropin on ovarian follicular growth and development in heifers. J Reprod Fertil 1993;97:247-254.
8. 8. Gong JG, Bramley TA, Wilmut I, Webb R. Effect of rBST on the superovulatory response to pregnant mare serum gonadotropin in heifers. Biol Reprod 1993;48:1141-1149.
9. 9. Gong JG, Campbell BK, Bramley TA, Webb R. Treatment with rBST enhances ovarian follicle development and increases the secretion of IGF-I by ovarian follicles in ewes. Anim Reprod Sci 1996;41:13-26.
10. 10. Gong JG, Wilmut I, Bramley TA, Webb R. Pretreatment with rBST enhances the superovulatory response to FSH in heifers. Theriogenology 1996;45:611-622.
11. 11. Grimes RW, Barber JA, Shimasaki S, Ling N, Hammond JM. Porcine ovarian granulosa cells secrete IGFBP-4 and -5 and express their mRNAs: regulation by FSH and IGF-1. Biol Reprod 1994;50:695-701.
12. 12. Grimes RW, Samaras SE, Barber JA, Shimasaki S, Ling N, Hammond JM. Gonadotropin and cAMP modulation of IGF binding protein production in ovarian granulosa cells. Am J Physiol 1992;262:E497-E503.
13. 13. Herrier A, Einspanier R, Schams D, Niemann H. Effect of rBST on follicular IGF-1 contents and the ovarian response following superovulatory treatment in dairy cows: a preliminary study. Theriogenology 1994;41:601-611.
14. 14. Jabbour HN, Evans G. Ovarian and endocrine responses of Merino ewes to treatment with PMSG and/or FSH-p. Anim Reprod Sci 1991;26:93-106.
15. 15. Khalid M, Haresign W. Relationships between concentrations of ovarian steroids, IGF-1 and IGF-binding proteins during follicular development in the ewe. Anim Reprod Sci 1996;41:119-129.
16. 16. Kuehner LF, Rieger D, Walton JS, Zhao X, Johnson WH. Effect of a depot injection of rbST on follicular development and embryo yield in superovulated Holstein heifers. Theriogenology 1993;40:1003-1013.
17. 17. Mcleod BJ, Haresign W, Lamming GE. The induction of ovulation and luteal function in seasonally anoestrous ewes treated with small dose multiple injections of GnRH. J Reprod Fertil 1982;65:215-221.
18. 18. Monget P, Monniaux D, Pisselet C, Durand P. Changes in IGF-1, IGF-2, and their binding proteins during growth and atresia of ovine ovarian follicles. Endocrinology 1993;132:1438-1446.
19. 19. Perks CM, Denning Kendall PA, Gilmour RS, Wathes DC. Localisation of mRNAs for IGF-1, IGF-2, and the type-1 IGF receptor in the ovine ovary throughout the estrous cycle. Endocrinology 1995;136:5266-5273.
20. 20. Purvis K, Illius AW, Haynes NB. Plasma testosterone concentrations in the ram. J Endocrinol 1974;61:243-253.
21. 21. Samaras SE, Hagen DR, Bryan KA, Mondschein JS, Canning SF, Hammond JM. Effects of GH and gonadotropin on the IGF system in the porcine ovary. Biol Reprod 1994;50:178-186.
22. 22. Spicer LJ, Echternkamp SE. The ovarian insulin and IGF system with an emphasis on domestic animals. Dom Anim Endocrinol 1995;12:223-245.