Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Wayne L. Bacon"'
Blood metabolite levels in normal and handicapped pied flycatchers rearing broods of different sizes
Publikováno v:
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology. 147:70-76
We measured levels of select metabolites (glucose, triglycerides, free fatty acids, glycerol, uric acid) and corticosterone in the blood plasma of adult pied flycatchers Ficedula hypoleuca while they were rearing broods whose sizes were modified expe
Autor:
Wayne L. Bacon, H. K. Liu
Publikováno v:
Poultry Science. 84:321-327
A polycystic ovarian follicle (PCOF) syndrome associated with high baseline concentrations of progesterone (P4) without preovulatory luteinizing hormone (LH) surges has been reported in turkey hens. The PCOF syndrome could be induced in turkey hens b
Autor:
Wayne L. Bacon, Han-Ken Liu
Publikováno v:
Biology of Reproduction. 71:878-886
An arrest in laying associated with either a polyovarian follicle (POF) or a polycystic ovarian follicle (PCOF) syndrome has been reported in turkey hens photostimulated at an early age with a constant-light photoperiod. Hens expressing the POF or PC
Publikováno v:
Poultry Science. 83:815-822
A cannulation and serial bleeding procedure has been developed to monitor the peripheral patterns of hormones associated with reproduction for up to 10 d in broiler breeder hens. Hens were cannulated via the jugular vein and returned to individual ca
Publikováno v:
Poultry Science. 83:823-829
Spontaneous ovulations are induced by preovulatory surges of luteinizing hormone (LH) and progesterone (P4) during ovulatory cycles in birds, but estradiol-17beta (E2) levels are relatively constant. Egg production is enhanced in restricted fed (RF)
Publikováno v:
Connective Tissue Research. 44:69-80
The temporal and spatial distribution of decorin transcripts, endothelial cells, and smooth muscle actin-producing cells were determined during the progression of atherosclerosis in the dorsal aortas of Japanese quail selected for cholesterol-induced
Autor:
David W. Long, Han-Ken Liu, J. D. Kirby, Wayne L. Bacon, J. A. Vizcarra, Jingying Yang, James L.M. Morgan
Publikováno v:
Biology of Reproduction. 67:591-598
Possible circadian fluctuations and long-term changes in concentrations of reproductive hormones in peripubertal female birds is poorly documented in comparison with mammalian species. Our objective was to document changes in concentrations of severa
Publikováno v:
Biology of Reproduction. 66:1068-1075
In turkey hens, the egg production rate is relatively high early during a reproductive period, but declines as the period progresses. Among lines with different egg production potential, the interval between preovulatory surges of LH is the primary d
Publikováno v:
Poultry Science. 81:160-168
Developmental stability of several Japanese quail lines was measured by bilateral asymmetry. Lines included in the study were as follows: a randombred control (R1), sublines of R1 selected for increased (HW line) and decreased (LW line) 4-wk BW, and
Publikováno v:
Poultry Science. 80:1509-1518
Young photosensitive turkey hens of a line selected for increased egg production (Egg line) were photostimulated with constant light [24 h light:0 h darkness] at 30 wk of age. Egg laying became arrested in 6 of 12 the hens after only 2 to 3 wk of lay