نتایج جستجو برای: native hen
تعداد نتایج: 108064 فیلتر نتایج به سال:
The optimization of the utility consumption (steam and cooling water) is an important part for the optimization of process operating cost. To this end, the heat exchanger networks (HEN) are investigated in a process manner. Different approaches are presented for the synthesis of HEN where stochastic algorithms have received more attention recently. In this paper, a combination of Ant Colony Opt...
The effect of yeast culture (Saccharomyces cerevisiae) supplementation on laying hen diets was tested against flavomycin supplementation during 12 weeks, using 112 Brown Bovans laying hens, 52 week-old, divided into 7 equal groups fed on a basal diet containing 18.8% crude protein and 2810 kcal/kg ME (metabolizable energy) feed. Three groups were supplemented with 3 different levels of commerci...
background : ascaridia galli , the largest nematode of small intestine of birds, especially the native poultry, may give rise to serious illness, pathological defects and economical losses even in modern poultry production systems. although various measures have been undertaken to vaccinate poultry against a.galli , no satisfactory results were obtained so far. however, there is no report on th...
Individual-based models have gained popularity in ecology, and enable simultaneous incorporation of spatial explicitness and population dynamic processes to understand spatio-temporal patterns of populations. We introduce an individual-based model for understanding and predicting spatial hen harrier (Circus cyaneus) population dynamics in Great Britain. The model uses a landscape with habitat, ...
W hen Linda agreed to become nurse manager for the floor of a major teaching hospital, she had no illusions that turning around this " war zone, " as she describes it, would be easy. Nurses were using street language in front of patients. Staff members yelled at each other. Patients routinely wrote complaints about the staff. In other words, respect, teamwork, and accountability were scarce. Th...
Representative examples of the various classes of flavoproteins have been converted to their apoprotein forms and the native flavin replaced by 8-mercapto-FMN or 8-mercapto-FAD. The spectral and catalytic properties of the modified enzymes are characteristically different from one group to another; the results suggest that flavin interactions at positions N(1) or N(5) of the flavin chromophore ...
Vasopressin (VP)-induced exocytosis was dissected in native and aquaporin-2 (AQP2)-expressing renal LLC-PK(1) cells by a fluorimetric exocytosis assay based on soluble secreted yellow fluorescent protein (ssYFP). YFP was targeted to the secretory pathway by addition of an 18-amino acid signal peptide from hen egg white lysozyme. Immunofluorescence labeling, together with analysis of Alexa 555-d...
Two experiments were conducted to determine the concentration of DE and ME and the standardized ileal digestibility (SID) of AA in chicken meal, poultry byproduct meal, hydrolyzed porcine intestines, a spent hen–soybean meal (SBM) mixture, and conventional SBM fed to weanling pigs. In Exp. 1, 48 barrows (initial BW: 14.6 ± 2.2 kg) were placed in metabolism cages and allotted to 6 diets with 8 r...
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