M C Lucy

Summary

Affiliation: University of Missouri
Country: USA

Publications

  1. doi request reprint Short communication: Glucose infusion into early postpartum cows defines an upper physiological set point for blood glucose and causes rapid and reversible changes in blood hormones and metabolites
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia, Missouri 65211, USA
    J Dairy Sci 96:5762-8. 2013
  2. doi request reprint Short communication: glucose and fructose concentrations and expression of glucose transporters in 4- to 6-week pregnancies collected from Holstein cows that were either lactating or not lactating
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 95:5095-101. 2012
  3. pmc Polymorphism discovery and allele frequency estimation using high-throughput DNA sequencing of target-enriched pooled DNA samples
    Michael P Mullen
    Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Athenry, Galway, Ireland
    BMC Genomics 13:16. 2012
  4. ncbi request reprint Growth hormone regulation of follicular growth
    Matthew C Lucy
    Division of Animal Sciences, 158 Animal Science Research Center, University of Missouri, Columbia, MO 65211, USA
    Reprod Fertil Dev 24:19-28. 2011
  5. pmc Activation of the transcription factor, nuclear factor kappa-B, during the estrous cycle and early pregnancy in the pig
    Jason W Ross
    Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA
    Reprod Biol Endocrinol 8:39. 2010
  6. ncbi request reprint The use of hormonal treatments to improve the reproductive performance of lactating dairy cows in feedlot or pasture-based management systems
    M C Lucy
    164 ASRC, University of Missouri, Columbia, MO, USA
    Anim Reprod Sci 82:495-512. 2004
  7. ncbi request reprint Non-lactational traits of importance in dairy cows and applications for emerging biotechnologies
    M C Lucy
    158 Animal Science Research Center, University of Missouri, Columbia, MI 65203, USA
    N Z Vet J 53:406-15. 2005
  8. ncbi request reprint Mechanisms linking nutrition and reproduction in postpartum cows
    M C Lucy
    164 Animal Sciences Research Center, University of Missouri, Columbia, MO 65211, USA
    Reprod Suppl 61:415-27. 2003
  9. ncbi request reprint Fertility in high-producing dairy cows: reasons for decline and corrective strategies for sustainable improvement
    M C Lucy
    158 Animal Sciences Research Center, University of Missouri, Columbia MO 65211, USA
    Soc Reprod Fertil Suppl 64:237-54. 2007
  10. doi request reprint Functional differences in the growth hormone and insulin-like growth factor axis in cattle and pigs: implications for post-partum nutrition and reproduction
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia, MO 65211, USA
    Reprod Domest Anim 43:31-9. 2008

Collaborators

Detail Information

Publications66

  1. doi request reprint Short communication: Glucose infusion into early postpartum cows defines an upper physiological set point for blood glucose and causes rapid and reversible changes in blood hormones and metabolites
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia, Missouri 65211, USA
    J Dairy Sci 96:5762-8. 2013
    ..The inability of the early postpartum cow to achieve an adequate entry rate for glucose relative to whole-body demand is a possible mechanism that links postpartum physiology and nutrition to reproduction in dairy cows...
  2. doi request reprint Short communication: glucose and fructose concentrations and expression of glucose transporters in 4- to 6-week pregnancies collected from Holstein cows that were either lactating or not lactating
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 95:5095-101. 2012
    ..The slower fetal development may predispose lactating cows to fetal loss if developmental milestones are not reached...
  3. pmc Polymorphism discovery and allele frequency estimation using high-throughput DNA sequencing of target-enriched pooled DNA samples
    Michael P Mullen
    Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc, Athenry, Galway, Ireland
    BMC Genomics 13:16. 2012
    ....
  4. ncbi request reprint Growth hormone regulation of follicular growth
    Matthew C Lucy
    Division of Animal Sciences, 158 Animal Science Research Center, University of Missouri, Columbia, MO 65211, USA
    Reprod Fertil Dev 24:19-28. 2011
    ..Future studies of GH should focus on its direct effects on the follicle as well as its indirect effects mediated by shifts in nutrient metabolism, insulin sensitivity, IGF1 and IGFBP...
  5. pmc Activation of the transcription factor, nuclear factor kappa-B, during the estrous cycle and early pregnancy in the pig
    Jason W Ross
    Department of Animal Science, Oklahoma State University, Stillwater, OK 74078, USA
    Reprod Biol Endocrinol 8:39. 2010
    ..Collectively, these data demonstrate that NFKB activation may occur during the period of uterine receptivity in both the cyclic and pregnant endometrium...
  6. ncbi request reprint The use of hormonal treatments to improve the reproductive performance of lactating dairy cows in feedlot or pasture-based management systems
    M C Lucy
    164 ASRC, University of Missouri, Columbia, MO, USA
    Anim Reprod Sci 82:495-512. 2004
    ..Fundamental research into anestrous, the hormonal control of the estrous cycle, and early pregnancy detection should elucidate new methods that can be used to strengthen reproductive programs on dairy farms...
  7. ncbi request reprint Non-lactational traits of importance in dairy cows and applications for emerging biotechnologies
    M C Lucy
    158 Animal Science Research Center, University of Missouri, Columbia, MI 65203, USA
    N Z Vet J 53:406-15. 2005
    ..The long-term prognosis for genome science is good but advances will take time. Genetic selection in the genome era will be different because DNA sequence analysis may replace traditional methods of genetic selection...
  8. ncbi request reprint Mechanisms linking nutrition and reproduction in postpartum cows
    M C Lucy
    164 Animal Sciences Research Center, University of Missouri, Columbia, MO 65211, USA
    Reprod Suppl 61:415-27. 2003
    ..Solutions to postpartum reproduction will probably arise from a variety of approaches that include traditional physiology as well as more modern genomic and proteomic technologies...
  9. ncbi request reprint Fertility in high-producing dairy cows: reasons for decline and corrective strategies for sustainable improvement
    M C Lucy
    158 Animal Sciences Research Center, University of Missouri, Columbia MO 65211, USA
    Soc Reprod Fertil Suppl 64:237-54. 2007
    ..The current crisis in dairy reproduction will be permanently solved, however, when the genetics for dairy reproduction are improved through a balanced genetic selection strategy...
  10. doi request reprint Functional differences in the growth hormone and insulin-like growth factor axis in cattle and pigs: implications for post-partum nutrition and reproduction
    M C Lucy
    Division of Animal Sciences, University of Missouri, Columbia, MO 65211, USA
    Reprod Domest Anim 43:31-9. 2008
    ..Understanding the mechanisms through which metabolic hormones control ovarian function may lead to improved reproductive management of both pigs and cattle because lactation and post-partum reproduction are closely tied in both species...
  11. doi request reprint Somatotropic axis components and nutrient partitioning in genetically diverse dairy cows managed under different feed allowances in a pasture system
    M C Lucy
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 92:526-39. 2009
    ..Functional components of the somatotropic axis differed for the respective strains and were consistent with strain differences in milk production, BCS, and feed allowance...
  12. ncbi request reprint Ovarian follicular growth in sows
    M C Lucy
    164 Animal Sciences Research Center, University of Missouri Columbia, MO 65211, USA
    Reprod Suppl 58:31-45. 2001
    ....
  13. ncbi request reprint Reproductive loss in high-producing dairy cattle: where will it end?
    M C Lucy
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 84:1277-93. 2001
    ..For this to occur, research funding must be increased above its current level and a renewed emphasis must be placed on solving the emerging crisis of infertility in dairy cows...
  14. ncbi request reprint Efficacy of an intravaginal progesterone insert and an injection of PGF2alpha for synchronizing estrus and shortening the interval to pregnancy in postpartum beef cows, peripubertal beef heifers, and dairy heifers
    M C Lucy
    Department of Animal Science, University of Missouri, Columbia 65211, USA
    J Anim Sci 79:982-95. 2001
    ..Improved estrus synchrony led to greater pregnancy rates for beef cows and beef heifers but failed to improve pregnancy rates for dairy heifers...
  15. ncbi request reprint Regulation of ovarian follicular growth by somatotropin and insulin-like growth factors in cattle
    M C Lucy
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 83:1635-47. 2000
    ..Future studies of ST and IGFs should focus on the hormones, receptors, and binding proteins as well as the metabolic requirements for normal ovarian function in dairy cattle...
  16. ncbi request reprint Partial feed restriction decreases growth hormone receptor 1A mRNA expression in postpartum dairy cows
    R P Radcliff
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 89:611-9. 2006
    ..We concluded that DMI partially controls GHR 1A mRNA expression in early postpartum dairy cows and that the decrease in GHR 1A in response to feed restriction persisted for at least 1 wk after ad libitum feeding was restored...
  17. ncbi request reprint Follicular dynamics and steroid profiles in cows during and after treatment with progestin-based protocols for synchronization of estrus
    J E Stegner
    Department of Animal Science, University of Missouri, Columbia 65211, USA
    J Anim Sci 82:1022-8. 2004
    ..This study suggests that follicular competence is likely related to steroidogenic capacity of the follicle and the endocrine environment under which growth and subsequent ovulation of the dominant follicle occurs...
  18. doi request reprint Growth hormone receptor, insulin-like growth factor (IGF)-1, and IGF-binding protein-2 expression in the reproductive tissues of early postpartum dairy cows
    M L Rhoads
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 91:1802-13. 2008
    ..Differences between cows (independent of their BCS and milk production) accounted for a major portion of the variation that we observed...
  19. ncbi request reprint Comparison of progestin-based protocols to synchronize estrus and ovulation before fixed-time artificial insemination in postpartum beef cows
    D J Schafer
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 85:1940-5. 2007
    ..Both protocols provide opportunities for beef producers to utilize AI and potentially eliminate the need to detect estrus...
  20. ncbi request reprint Uterine and hepatic gene expression in relation to days postpartum, estrus, and pregnancy in postpartum dairy cows
    M L Rhoads
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 91:140-50. 2008
    ..In contrast, liver quantities of mRNA differed relative to pregnancy status. These data provide evidence that liver indices of metabolic state may be indicative of pregnancy success...
  21. ncbi request reprint Plasma hormones and expression of growth hormone receptor and insulin-like growth factor-I mRNA in hepatic tissue of periparturient dairy cows
    R P Radcliff
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 86:3920-6. 2003
    ..Rapid changes in placental and ovarian steroids before parturition were coincident with changes in GHR 1A mRNA...
  22. doi request reprint Comparison of protocols to synchronize estrus and ovulation in estrous-cycling and prepubertal beef heifers
    N R Leitman
    Division of Animal Science, S132 ASRC, University of Missouri, Columbia 65211, USA
    J Anim Sci 86:1808-18. 2008
    ..01) compared with T2. In summary, CIDR Select improved (P < 0.01) the synchrony of estrus and ovulation compared with Select Synch + CIDR...
  23. doi request reprint Reproduction in grazing dairy cows treated with 14-day controlled internal drug release for presynchronization before timed artificial insemination compared with artificial insemination after observed estrus
    R C Escalante
    Division of Animal Sciences and College of Veterinary Medicine, University of Missouri, Columbia 65211, USA
    J Dairy Sci 96:300-6. 2013
    ..Conclusions were that the 14dCIDR_TAI program achieved acceptable FSCR (48%) and overall AI pregnancy rates (64%), but did not surpass a control program that used AI after observed estrus (61 and 70%, respectively)...
  24. ncbi request reprint Gonadotropin-releasing hormone-induced ovulation and luteinizing hormone release in beef heifers: effect of day of the cycle
    J A Atkins
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 86:83-93. 2008
    ..Treatment with GnRH 1 in the earlier part of the estrous cycle (on or before d 10) increased the proportion of dominant follicles that were large enough to respond to GnRH 2 (>/=10 mm) and increased ovulatory response after GnRH 2...
  25. ncbi request reprint Decreased follicular size during late lactation caused by treatment with charcoal-treated follicular fluid delays onset of estrus and ovulation after weaning in sows
    C J Bracken
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 84:2110-7. 2006
    ..Small follicles at weaning cannot undergo compensatory growth and require additional time to reach a preovulatory size...
  26. ncbi request reprint Effect of dietary energy and somatotropin on components of the somatotropic axis in Holstein heifers
    R P Radcliff
    Department of Animal Science, Michigan State University, East Lansing 48824, USA
    J Dairy Sci 87:1229-35. 2004
    ..Greater IGF-I (indicative of an increased GH response) may be a consequence of greater GHR 1A expression in the liver...
  27. ncbi request reprint Influence of undegraded intake protein on reproductive performance of primiparous beef heifers maintained on stockpiled fescue pasture
    T A Strauch
    Department of Animal Science, University of Missouri, Columbia 65211, USA
    J Anim Sci 79:574-81. 2001
    ..01) corresponded to a decrease in postpartum interval of 0.13 d. Based on the results of this study, the inclusion of UIP in diets for primiparous heifers and its effects on postpartum interval warrant further evaluation...
  28. doi request reprint A miniature condition in Brahman cattle is associated with a single nucleotide mutation within the growth hormone gene
    B L McCormack
    University of Missouri, Columbia, MO 65211, USA
    Domest Anim Endocrinol 37:104-11. 2009
    ..Cattle of normal size had at least 1 copy of the normal GH allele. Threonine 200 in bovine GH is required for normal growth in cattle...
  29. doi request reprint Follicular populations and luteal function in dairy heifers treated with a controlled internal drug release insert for 14 days as a method to synchronize the estrous cycle before prostaglandin F₂α treatment and artificial insemination
    R C Escalante
    Division of Animal Sciences and College of Veterinary Medicine, University of Missouri, Columbia 65211, USA
    J Dairy Sci 96:3806-16. 2013
    ..2% vs. 40.6%) for 14dCIDR-PGF2α compared with control (respectively). Treating dairy heifers with a CIDR for 14 d was an effective method to synchronize an estrous cycle before PGF2α was administered...
  30. ncbi request reprint Effect of recombinant porcine somatotropin on fetal and placental growth in gilts with reduced uterine capacity
    J A Sterle
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 81:765-71. 2003
    ..Therefore, mechanisms that are independent of maternal IGF-I or placental contact area may control early fetal growth under crowded uterine conditions...
  31. ncbi request reprint Estrus synchronization in beef heifers with progestin-based protocols. I. Differences in response based on pubertal status at the initiation of treatment
    S L Wood-Follis
    Department of Animal Sciences, Patterson, S132 ASRC, University of Missouri Columbia, MO 65211, USA
    Theriogenology 62:1518-28. 2004
    ..Further studies are needed to define production systems in which the MGA Select protocol is warranted for use in beef heifers...
  32. doi request reprint Short communication: Growth hormone receptor expression in two dairy breeds during the periparturient period
    C S Okamura
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 92:2706-10. 2009
    ..Independent genetic selection in 2 dairy breeds seemingly exploited a similar mechanism, reduced GHR1A expression, to decrease blood IGF1 and increase blood GH, a key hormone involved in nutrient partitioning...
  33. ncbi request reprint Improved synchrony of estrus and ovulation with the addition of GnRH to a melengestrol acetate-prostaglandin F2alpha synchronization treatment in beef heifers
    S L Wood
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 79:2210-6. 2001
    ..This protocol may offer potential for the fixed-time insemination of replacement beef heifers...
  34. doi request reprint Short communication: presynchronization for timed artificial insemination in grazing dairy cows by using progesterone for 14 days with or without prostaglandin F2α at the time of progesterone withdrawal
    R C Escalante
    Division of Animal Sciences and College of Veterinary Medicine, University of Missouri, Columbia 65211, USA
    J Dairy Sci 95:5102-8. 2012
    ..In summary, treating cows with PGF(2α) at CIDR removal increased the percentage of cows with all tail paint removed but did not increase percentage of pregnant cows after TAI...
  35. ncbi request reprint Timed artificial insemination of two consecutive services in dairy cows using prostaglandin F2alpha and gonadotropin-releasing hormone
    J P Meyer
    Division of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 90:691-8. 2007
    ..We concluded that although PGPG can be used for TAI, a simpler TAI protocol that includes the last 2 injections (PGF(2alpha), 2 d; GnRH and TAI) would be equally effective...
  36. doi request reprint Incorporation of a rapid pregnancy-associated glycoprotein ELISA into a CIDR-Ovsynch resynchronization program for a 28 day re-insemination interval
    J C Green
    Division of Animal Sciences, University of Missouri, Columbia, Missouri, USA
    Theriogenology 75:320-8. 2011
    ..Shortened resynchronization protocols that do not require estrus detection may improve reproductive efficiency in dairy cattle...
  37. doi request reprint Short communication: suppressor of cytokine signaling-2 mRNA increases after parturition in the liver of dairy cows
    L A Winkelman
    Department of Animal Sciences, The Ohio State University, Wooster 44691, USA
    J Dairy Sci 91:1080-6. 2008
    ..In addition to reduced GHR 1A, increased SOCS-2 mRNA after parturition, perhaps because of increased E(2), may further uncouple GH signaling in the liver of the transition dairy cow...
  38. ncbi request reprint Insulin restores GH responsiveness during lactation-induced negative energy balance in dairy cattle: effects on expression of IGF-I and GH receptor 1A
    S T Butler
    Department of Animal Science, Cornell University, Ithaca, New York 14853, USA
    J Endocrinol 176:205-17. 2003
    ..86; P<0.05), but not CTL cows (r=0.43; P>0.1). Insulin appears to be a key metabolic signal in coupling the GH-IGF axis, thus orchestrating a marked elevation in circulating IGF-I concentrations...
  39. ncbi request reprint A comparison of progestin-based protocols to synchronize estrus in postpartum beef cows
    J E Stegner
    Department of Animal Science, University of Missouri, Columbia 65211, USA
    J Anim Sci 82:1016-21. 2004
    ..Synchrony of estrus, defined as the variance in the interval to estrus from PG, however, was improved following treatment with the 7-11 Synch protocol...
  40. ncbi request reprint Effect of photoperiod on hepatic growth hormone receptor 1A expression in steer calves
    P E Kendall
    Department of Animal Sciences, University of Illinois, Urbana 61801, USA
    J Anim Sci 81:1440-6. 2003
    ..Therefore, our hypothesis that LDPP increases the expression of GHR 1A mRNA in the bovine liver is rejected...
  41. ncbi request reprint Growth hormone (GH) binding and expression of GH receptor 1A mRNA in hepatic tissue of periparturient dairy cows
    R P Radcliff
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 86:3933-40. 2003
    ..Reduced GHR in liver likely contributes to a decrease in liver IGF-I production and reduced concentrations of IGF-I in blood of periparturient cows...
  42. doi request reprint Effects of a controlled heat stress during late gestation, lactation, and after weaning on thermoregulation, metabolism, and reproduction of primiparous sows
    A M Williams
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Anim Sci 91:2700-14. 2013
    ..The controlled HS that we imposed affected piglet weaning weight, but rebreeding and subsequent farrowing performance were not affected...
  43. ncbi request reprint Reduced insulin-like growth factor-I after acute feed restriction in lactating dairy cows is independent of changes in growth hormone receptor 1A mRNA
    Y Kobayashi
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 85:748-54. 2002
    ..Epinephrine treatment did not affect the amount of GHR 1A or IGF-I mRNA. We conclude that the decrease in feed intake at parturition may be partially responsible for the decrease in IGF-I but may not cause the decrease in GHR 1A...
  44. doi request reprint Measurement of interferon-tau (IFN-tau) stimulated gene expression in blood leukocytes for pregnancy diagnosis within 18-20d after insemination in dairy cattle
    J C Green
    Division of Animal Sciences, University of Missouri, 158 Animal Science Research Center, 920 East Campus Drive, Columbia, MO 65211, USA
    Anim Reprod Sci 121:24-33. 2010
    ..Older cows have a lesser response that reduces the sensitivity of the ISG test on or before d 18...
  45. ncbi request reprint Effect of time of ovulation and sperm concentration on fertilization rate in gilts
    C J Bracken
    Department of Animal Science, Animal Sciences Unit, University of Missouri, 159 Animal Sciences Center, Columbia, MO 65211, USA
    Theriogenology 60:669-76. 2003
    ..We conclude that a cervical insemination with low spermatozoa concentration may not result in acceptable fertility even when precisely timed relative to ovulation...
  46. ncbi request reprint Two days of pulsatile GnRH infusion beginning 4 days before weaning in sows initiates a wave of follicular growth that is not sustained after weaning
    C J Bracken
    Department of Animal Sciences, University of Missouri, Columbia 65211, United States
    Anim Reprod Sci 102:158-64. 2007
    ..Within the experimental model for the present study, a GnRH infusion increased follicular growth in lactating sows but follicles could not be sustained beyond the end of GnRH infusion...
  47. ncbi request reprint Expression of two variants of growth hormone receptor messenger ribonucleic acid in porcine liver
    J Liu
    Department of Animal Science, University of Missouri, Columbia 65211, USA
    J Anim Sci 78:306-17. 2000
    ..The GHR 1B mRNA was the major GHR mRNA in pig liver before 77 d of age. The GHR 1A mRNA increased after 42 d of age and tended to undergo specific down-regulation in response to rpST in pregnant gilts...
  48. ncbi request reprint Variants of the 5'-untranslated region of the bovine growth hormone receptor mRNA: isolation, expression and effects on translational efficiency
    H Jiang
    Department of Animal Sciences, 164 Animal Science Research Center, University of Missouri, 65211 5300, Columbia MO, USA
    Gene 265:45-53. 2001
    ..The observations in the present study suggest that GHR expression in the bovine may be controlled by translational mechanisms in addition to complex transcriptional mechanisms...
  49. doi request reprint Hot topic: Successful fixed-time insemination within 21 d after first insemination by combining chemical pregnancy diagnosis on d 18 with a rapid resynchronization program
    J C Green
    Division of Animal Science, University of Missouri, Columbia 65211, USA
    J Dairy Sci 93:5668-72. 2010
    ..0 ± 0 and 27.5 ± 2.1 d). The conclusion is that a TAI resynchronization can be programmed within 21 d of previous TAI when a d 18 pregnancy test and a rapid resynchronization are used...
  50. ncbi request reprint Factors affecting follicular populations on Day 3 postweaning and interval to ovulation in a commercial sow herd
    C J Bracken
    Department of Animal Science, University of Missouri, 920 East Campus Drive 164 ASRC, Columbia, MO 65211, USA
    Theriogenology 60:11-20. 2003
    ..Furthermore, production factors (i.e. parity and BCS) known to influence interval to ovulation were associated with differences in follicular growth within the first 3 days after weaning in sows...
  51. ncbi request reprint Involvement of hepatocyte nuclear factor-4 in the expression of the growth hormone receptor 1A messenger ribonucleic acid in bovine liver
    H Jiang
    Animal Sciences Research Center, Department of Animal Sciences, University of Missouri, Columbia, MO 65211, USA
    Mol Endocrinol 15:1023-34. 2001
    ..Collectively, these observations suggest that the liver-enriched transcription factor HNF-4 plays a role in the expression of GHR 1A mRNA in bovine liver...
  52. ncbi request reprint Effect of nutrient intake on the development of the somatotropic axis and its responsiveness to GH in Holstein bull calves
    J M Smith
    Department of Animal Science, Cornell University, Ithaca, NY 14853 4801, USA
    J Anim Sci 80:1528-37. 2002
    ..Data demonstrate that in well-managed milk-fed calves the somatotropic (GH/IGF-I) axis is functionally coordinated and sensitive to nutrient intake and GH...
  53. ncbi request reprint Role of growth hormone in development and maintenance of follicles and corpora lutea
    M C Lucy
    164 Animal Sciences Research Center, University of Missouri, Columbia 65211, USA
    J Reprod Fertil Suppl 54:49-59. 1999
    ..These results demonstrate that GH is required for normal reproductive function in ruminant as well as nonruminant species...
  54. ncbi request reprint Effects of urea infusion on the uterine luminal environment of dairy cows
    M L Rhoads
    Department of Animal Science, University of Missouri, Columbia, MO 65211, USA
    J Dairy Sci 87:2896-901. 2004
    ..The results of this study indicate that a short-term increase in PUN can exert direct effects on the uterine environment by decreasing uterine pH...
  55. doi request reprint Concentrations of nonesterified fatty acids and glucose in blood of periparturient dairy cows are indicative of pregnancy success at first insemination
    H A Garverick
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 96:181-8. 2013
    ....
  56. ncbi request reprint Isolation and characterization of a novel promoter for the bovine growth hormone receptor gene
    H Jiang
    Department of Animal Sciences, University of Missouri, Columbia, Missouri 65211, USA
    J Biol Chem 274:7893-900. 1999
    ..In transfected cells, the P2 promoter served as an enhancer for the P3 promoter. Existence and co-regulation of two ubiquitous promoters may be a mechanism for achieving a high level of expression of the GHR gene in multiple tissues...
  57. doi request reprint Technical note: A rapid enzyme-linked immunosorbent assay blood test for pregnancy in dairy and beef cattle
    J C Green
    Division of Animal Sciences, University of Missouri, Columbia, Missouri 65211, USA
    J Dairy Sci 92:3819-24. 2009
    ..The accuracy of the test was not different for dairy and beef cattle. In conclusion, the rapid ELISA pregnancy test based on PAG was highly sensitive and specific for pregnancy detection in dairy and beef cattle...
  58. ncbi request reprint Endocrine and metabolic mechanisms linking postpartum glucose with early embryonic and foetal development in dairy cows
    M C Lucy
    1Division of Animal Sciences, University of Missouri, Columbia, MO, USA
    Animal 8:82-90. 2014
    ..Understanding homeorhetic mechanisms that involve glucose and collectively affect postpartum uterine health, oestrous cyclicity and the establishment of pregnancy should lead to methods to improve postpartum fertility in dairy cows. ..
  59. ncbi request reprint Expression of somatotropin receptor messenger ribonucleic acid in bovine tissues
    M C Lucy
    Department of Animal Sciences, University of Missouri, Columbia 65211, USA
    J Dairy Sci 81:1889-95. 1998
    ..Other adult and fetal bovine tissues expressed 1B somatotropin receptor mRNA with a predicted protein sequence that was similar to the 1A somatotropin receptor...
  60. ncbi request reprint Effects of BST on oviductal and uterine genes encoding components of the IGF system in lactating dairy cows
    R A Pershing
    Department of Animal Sciences University of Florida, Gainesville 32611, USA
    J Dairy Sci 85:3260-7. 2002
    ..Results indicate complex and tissue-specific regulation of the uterine IGF system components by exogenous bST. Some of those biological responses to bST may be important in early development of bovine embryos...
  61. ncbi request reprint Synchronisation of oestrus in dairy cows using prostaglandin F2alpha, gonadotrophin-releasing hormone, and oestradiol cypionate
    J M Borman
    Department of Veterinary Science, University of Melbourne, 3030, Werribee, Australia
    Anim Reprod Sci 76:163-76. 2003
    ..Adding ECP to PGP (PGPE(1)) enhanced the expression of oestrus and increased ovulation percentage. The combination of PGP and ECP is potentially a new method to routinely synchronise oestrus and ovulation in dairy cows...
  62. ncbi request reprint Use of estradiol cypionate as a substitute for GnRH in protocols for synchronizing ovulation in dairy cattle
    J S Stevenson
    Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506 0201, USA
    J Dairy Sci 87:3298-305. 2004
    ..30 +/- 3 h). We concluded that substituting ECP for GnRH resulted in more cows in estrus and slightly fewer ovulating...
  63. ncbi request reprint Invited review: New perspectives on the roles of nutrition and metabolic priorities in the subfertility of high-producing dairy cows
    L M Chagas
    Dexcel, Private Bag 3221, Hamilton, New Zealand
    J Dairy Sci 90:4022-32. 2007
    ..This review highlights many fruitful directions for research, aimed at the development of strategies for nutritional management of reproduction in the high-producing subfertile dairy cow...
  64. ncbi request reprint Expression of growth hormone receptor 1A mRNA is decreased in dairy cows but not in beef cows at parturition
    H Jiang
    Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg 24061, USA
    J Dairy Sci 88:1370-7. 2005
    ....
  65. ncbi request reprint Effect of recombinant bovine somatotropin on superovulatory response and recipient pregnancy rates in a commercial embryo transfer program
    J F Hasler
    Em Tran, Inc, Elizabethtown, PA 17022, USA
    Theriogenology 59:1919-28. 2003
    ..We conclude that superovulatory response and pregnancy rates (respectively) are similar to control for rbST-treated cows undergoing repeated superovulations and rbST-treated recipient heifers treated at the time of embryo transfer...
  66. ncbi request reprint Regulation of interferon-stimulated genes in peripheral blood leukocytes in pregnant and bred, nonpregnant dairy cows
    C A Gifford
    Department of Animal and Veterinary Sciences, University of Idaho, Moscow 83844, USA
    J Dairy Sci 90:274-80. 2007
    ..The physiological implications of these changes on maternal immune function are as yet unknown; however, they do provide a unique opportunity to identify bred, nonpregnant, cows 18 d after insemination in dairy cattle...