Zobrazeno 1 - 10
of 67
pro vyhledávání: '"E. Vax"'
Publikováno v:
Journal of Dynamic Behavior of Materials. 6:246-265
In the machining process, the workpiece undergoes large plastic deformation at high strain rate and is heated rapidly by plastic work and friction. Rapid temperature excursions brought about during this process may result in non-typical microstructur
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Publikováno v:
British Poultry Science. 44:224-233
1. A series of 5 trials was conducted with Cobb chickens in order to determine the effect of 25-hydroxycholecalciferol (25OHD3) on their performance and bone development under adequate Calcium (Ca) and Phosphorus (P) supplementation, and under modera
Publikováno v:
Poultry Science. 82:543-550
Shortening daylight (to 10.5 to 11 h/d) slightly reduced the rest period (the interval between last egg and first clutch), whereas feeding a low-protein diet during the 22-d period following 8 d of feed withdrawal (FW) (recovery period) markedly exte
Publikováno v:
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology. 123:147-154
Hens forming uncalcified shells synthesized less 1,25-hydroxycholecalciferol (1,25(OH)2D3) and less duodenal and eggshell gland (ESG) calbindin than normal laying hens. Hens forming thin shells had lower intestinal and ESG calbindin and its mRNA. Red
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Publikováno v:
Comparative Biochemistry and Physiology Part A: Physiology. 101:845-848
1. Eggshell density (mg/cm2) and eggshell gland calbindin decreased in the aged hens. 2. Aged hens which laid eggs with a low shell weight and shell density had significantly lower intestinal and eggshell gland calbindin as compared with those which
Publikováno v:
British poultry science. 43(2)
1. A series of 5 trials was conducted with 401- to 650-d-old Lohmann, Yafa (local breed with brown eggshells) and Yarkon (local breed with white eggshells) hens fed for 56 to 84 d with diets containing 25 to 50 g/kg calcium (Ca) and 4.5 to 7.6 g/kg p
Publikováno v:
Poultry science. 80(6)
The effect of air velocity (AV) on weight gain, feed intake, and feed efficiency was studied in male broiler chickens exposed to a constant 35 C, 60% RH, and continuous illumination from 4 through 7 wk of age. In two separate trials, AV of 0.5, 1.5,
Publikováno v:
General and comparative endocrinology. 103(1)
Acute and chronic changes in calbindin (Mr 28,000) mRNA and calbindin concentrations were determined to assess the roles of steroid hormones in calbindin mRNA and calbindin synthesis in the eggshell gland (ESG). The results support an earlier suggest