Works (13)

1999 journal article

Effects of active immunization against growth-hormone releasing factor on puberty and reproductive development in gilts

Journal of Animal Science, 77(7), 1807–1814.

By: K. Swanchara, J. Armstrong & J. Britt

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Developing course materials using the World Wide Web

NACTA Journal, 41(2), 10–15.

By: M. O'Kane & J. Armstrong

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Effects of acute endotoxemia on serum somatotropin and insulin like growth factor I concentrations in prepubertal gilts

American Journal of Veterinary Research, 58(9), 1010–1013.

By: W. Hevener, G. Almond, J. Armstrong & R. Richards

Source: NC State University Libraries
Added: August 6, 2018

1995 journal article

Recombinant bovine somatotropin increases milk yield and calf gain in diverse breeds of beef cattle: Associated changes in hormones and indices of metabolism

Journal of Animal Science, 73(10), 3051.

By: J. Armstrong, R. Harvey, M. Poore, R. Simpson, D. Miller, G. Gregory, G. Hartnell

Source: NC State University Libraries
Added: August 6, 2018

1994 journal article

Concentrations of hormones and metabolites, estimates of metabolism, performance, and reproductive performance of sows actively immunized against growth hormone-releasing factor

Journal of Animal Science, 72(6), 1570.

By: J. Armstrong, M. Coffey, K. Esbenshade, R. Campbell & E. Heimer

Source: NC State University Libraries
Added: August 6, 2018

1993 journal article

Effect of feed restriction on serum somatotropin, insulin-like growth factor-I- (IGF-I) and IGF binding proteins in cyclic heifers actively immunized against growth hormone releasing factor

Domestic Animal Endocrinology, 10(4), 315.

By: J. Armstrong, W. Cohick, R. Harvey, E. Heimer & R. Campbell

Source: NC State University Libraries
Added: August 6, 2018

1991 journal article

Changes in growth hormone and luteinizing hormone following acute or chronic administration of an opioid agonist, FK33-824, in wethers

Journal of Animal Science, 69(2), 774.

By: J. Armstrong & J. Spears

Source: NC State University Libraries
Added: August 6, 2018

1990 journal article

Active immunization of pigs against growth hormone-releasing factor: Effect on concentrations of growth hormone and insulin-like growth factor 1

Journal of Animal Science, 68(2), 427.

By: J. Armstrong, K. Esbenshade, J. Johnson, M. Coffey, E. Heimer, R. Campbell, T. Mowles, A. Felix

Source: NC State University Libraries
Added: August 6, 2018

1990 journal article

Opioid control of growth hormone in the suckled sow is primarily mediated through growth hormone releasing factor

Domestic Animal Endocrinology, 7(2), 191.

By: J. Armstrong, K. Esbenshade, M. Coffey, E. Heimer, R. Campbell, T. Mowles, A. Felix

Source: NC State University Libraries
Added: August 6, 2018

1988 journal article

Morphine suppresses luteinizing hormone concentrations in transiently weaned sows and delays onset of estrus after weaning

Journal of Animal Science, 66(9), 2216.

By: J. Armstrong, R. Kraeling & J. Britt

Source: NC State University Libraries
Added: August 6, 2018

1987 journal article

Season, suckling and nutrition alter ovarian function in swine through control of gonadotropin-releasing hormone

Dissertation Abstracts International. B, Sciences and Engineering, 47(8), 3178.

By: J. Armstrong

Source: NC State University Libraries
Added: August 6, 2018

1986 journal article

Seasonal differences in function of the hypothalamic-hypophysial-ovarian axis in weaned primiparous sows

Journal of Reproduction & Fertility, 78(1), 11.

By: J. Armstrong, J. Britt & N. Cox

Source: NC State University Libraries
Added: August 6, 2018

1985 journal article

Pulsatile administration of gonadotropin-releasing hormone to anestrous sows: Endocrine changes associated with GnRH-induced and spontaneous estrus

Biology of Reproduction, 33(2), 375.

By: J. Armstrong & J. Britt

Source: NC State University Libraries
Added: August 6, 2018