Search Results - "HIXON, E. J"

Influence of estradiol on the secretion of oxytocin and prostaglandin F2 alpha during luteolysis in the ewe by ZHANG, J, WESTON, P. G, HIXON, J. E

“…Twenty ewes of mixed breeds were randomly assigned in equal numbers to one of four groups in a 2 X 2 factorial design. The factors were x-irradiation to…”
Get full text

Role of progesterone and oestradiol in the regulation of uterine oxytocin receptors in ewes by Zhang, J, Weston, P G, Hixon, J E

“…The interaction between oestrogen and progesterone in the regulation of the uterine oxytocin receptor in sheep was evaluated by measuring the binding of…”
Get full text

Effects of bull exposure on the cyclic activity of beef cows by Hornbuckle, T., Ott, R.S., Ohl, M.W., Zinn, G.M., Weston, P.G., Hixon, J.E.

“…In Experiment I, 38 crossbred suckled beef cows grazing fescue pastures and 34 crossbred beef cows grazing bluestem pastures were randomly allocated at the…”
Get full text

Effects of a luteolytic dose of oestradiol benzoate on uterine oxytocin receptor concentrations, phosphoinositide turnover and prostaglandin F-2 alpha secretion in sheep by Hixon, J E, Flint, A P

“…Administration of oestradiol-17 beta benzoate on Days 9 and 10 of the oestrous cycle resulted in episodic secretion of PGF-2 alpha (as indicated by elevated…”
Get more information

Assessing Similarity and Middle-School Students' Self-Perceived Academic Competence by Hixon, Jon E.

“…An index of similarity can measure absolute agreement between pairs (e.g., student-teacher, student-parent, student-peer) on corresponding self-report items…”
Get full text

Evidence for an oscillator other than luteinizing hormone controlling the secretion of progesterone in cattle by Hixon, J E, Pijanowski, G J, Weston, P G, Shanks, R D, Wagner, W C

“…The objective of this study was to quantify and compare the frequencies of pulses in ovarian and systemic concentrations of progesterone, systemic…”
Get full text

Comparison of palpable corpora lutea with serum progesterone concentrations in cows by Ott, R S, Bretzlaff, K N, Hixon, J E

“…Serum progesterone concentrations were used to evaluate rectal palpation of corpora lutea as a method for assignment of postpartum beef cows to prostaglandin…”
Get more information

Pathophysiology of small testes in beef bulls: relationship between scrotal circumference, histopathologic features of testes and epididymides, seminal characteristics, and endocrine profiles by Veeramachaneni, D N, Ott, R S, Heath, E H, McEntee, K, Bolt, D J, Hixon, J E

“…Tissue sections from testes and epididymides obtained from 17 young beef bulls with scrotal circumference (SC) between 27 and 40.5 cm were studied to determine…”
Get more information

Effects of a luteolytic dose of oestradiol benzoate on uterine oxytocin receptor concentrations, phosphoinositide turnover and prostaglandin F-2  secretion in sheep by Hixon, J. E., Flint, A. P. F.

Get full text

Self-regulated learning and achievement by middle-school children by Sink, C A, Barnett, J E, Hixon, J E

“…The relationship of self-regulated learning to the achievement test scores of 62 Grade 6 students was studied. Generally, the metacognitive and affective…”
Get more information

Effects of zeranol implanted during a postweaning weight gain test on testicular, semen, and endocrine characteristics of bulls by Floyd, Jr, J G, Ott, R S, Hixon, J E, Veeramachaneni, D N, Willms, C L, Parrett, D F

“…At initiation of a 140-day postweaning weight gain test, Angus bulls were assigned in equal numbers (n = 5) to 1 of 3 treatment groups to determine effects of…”
Get more information

Diminution of the in vitro response to luteinizing hormone by corpora lutea induced by gonadotropin releasing hormone treatment of postpartum suckled beef cows by Kesler, D. J, Weston, P. G, Pimentel, C. A, Troxel, T. R, Vincent, D. L, Hixon, J. E

Get full text

Influence of estradiol and progesterone withdrawal on the secretion of and the temporal correlation between pulses of oxytocin and prostaglandin F2(alpha) in ewes by Walker, D L, Weston, P G, Hixon, J E

“…The primary objective was to examine the effects of estradiol and the progesterone receptor antagonist onapristone on the pulsatile secretion of prostaglandin…”
Get full text

Association Between Pregnant Mare Serum-Induced Ovulation and Luteolysis in Rats and its Dissociation by Progesterone Treatment by Hixon, J E, Armstrong, D T

“…The ability of prolactin and progesterone to inhibit ovulation was utilized to investigate the relationship between ovulation and luteolysis. The first estrus…”
Get full text

Effects of zeranol on reproduction in beef bulls: scrotal circumference, serving ability, semen characteristics, and pathologic changes of the reproductive organs by Deschamps, J C, Ott, R S, McEntee, K, Heath, E H, Heinrichs, R R, Shanks, R D, Hixon, J E

“…Effects of zeranol on scrotal circumference, serving ability, semen characteristics, and postmortem measurements of the genital organs were determined in beef…”
Get more information

Effect of aspirin administration on retinoic acid toxicity in mice by HARRISON, S. D, HIXON, E. J, BURDESHAW, J. A, DENINE, E. P

Get full text

A luteolytic interaction between estradiol benzoate and prostaglandin F2 alpha in cattle by Hixon, J E, Pimentel, C A, Weston, P G, Chafetz, E P, Shanks, R D, Hansel, W

“…A possible luteolytic interaction between prostaglandin F2 alpha (PGF2 alpha) and estradiol benzoate (E2B) in cattle was investigated by randomly assigning 20…”
Get full text

Changes in basal lamina of seminiferous tubules associated with deranged spermatogenesis in the bull by Veeramachaneni, D N, Heath, E H, Ott, R S, McEntee, K, Hixon, J E

“…The basal lamina of seminiferous tubules of 16 beef bulls, with scrotal circumferences (SC) from 40.5 to 28 cm, was characterized. The mean thickness of basal…”
Get more information

Effects of estrone infusion on secretion of F series prostaglandins and on function of the corpus luteum during late gestation in cattle by Pimentel, C A, Vijayakumar, R, Weston, P G, Pimentel, S M, Wagner, W C, Hixon, J E

“…Catheters were surgically implanted in the carotid artery, jugular vein, and middle uterine vein of 8 cows at 245 days of gestation. Four cows were given 4 mg…”
Get more information

Effects of zeranol on reproduction in beef bulls: luteinizing hormone, follicle-stimulating hormone, and testosterone secretion in response to gonadotropin-releasing hormone and human chorionic gonadotropin by Deschamps, J C, Ott, R S, Weston, P G, Shanks, R D, Kesler, D J, Bolt, D J, Hixon, J E

“…Effects of zeranol on the maturation of the adenohypophyseal-gonadal axis were studied in beef bulls. Calves were implanted with 36 mg of zeranol at 3-month…”
Get more information