CopperGrowthWe conducted four experiments to examine the effects of adding zinc oxide (ZnO) and(or) copper sulfate (CuSO4) to diets for weanling pigs. In Exp. 1 and 2, weanling pigs (initially 5.3 kg and 19 ± 2 d of age) were fed diets containing 250 ppm of added Cu (CuSO4) and...
In Exp. 2, treatments were arranged as a 2 × 3 factorial with 2 levels of added zinc from zinc oxide (0 or 3,000 ppm from d 0 to 14 and 0 or 2,000 from d 14 to 28) and 3 copper treatments (control, 125 ppm copper from TBCC, or 125 ppm copper from copper sulfate). In...
Zinc sulfate heptahydrate (ZnSO4.7H2O), C copper (II) chloride dihydrate (CuCl2•2H2O), and sodium hydroxide (NaOH) were obtained from Sigma-Aldrich, Germany. Ethanol (HPLC grade, 99.99%) and deionized water were used for solution preparation and washing throughout the experiment. All beaker...
experiment was carried out.The experimental results showed that activated carbon and sodium sulfide were used to dereagent achieved perfect result,diethyldithiocarbamate has more strong collecting and selecting as collector,the combined use of the new type restrainer FS,zinc sulfate and sodium sulfite ...
Effects of dietary zinc, iron, and copper in layer feed on distribution of these elements in eggs, liver, excreta, soil, and herbage An experiment was conducted to evaluate the effect of dietary content and combinations of Zn, Fe, and Cu on deposition of these elements in egg components,....
Results indicate that Cu and Zn fecal concentrations were reduced by approximately 6-fold for Cu and by 2.5-fold for Zn by feeding 27 mg/kg Cu and 65 mg/kg Zn, in either the proteinate amino acid chelate or the sulfate form, compared with a diet containing 156 mg/kg Cu and 170 mg...
The enzyme activity was only some decrease under 3% sodium dodecyl sulfate. The enzyme was resistant to proteolysis by trypsin and chymotrypsin. The finding of Cu/Zn-SOD cDNA could be used as a probe to detect the transcription level of this enzyme, which can be used as an early biomarker ...
An integrated hydrometallurgical process was used for the zinc leaching and purification from a zinc ore containing 9.75 wt% zinc. The zinc minerals in the ore were hemimorphite, willemite, and calcophanite. Main gangue minerals were quartz, goethite, he
1. Four chick experiments were conducted to determine toxicity estimates for basic zinc chloride (BZC) and basic copper chloride (BCC), now being used as sources for these minerals. 2. In experiment 1, New Hampshire×Columbian crossbred chicks were fed 0, 500, 1000, 1500, 3000 and 5000mgZn...
zinc and copper, and chitosan-PMAA-NPK83nano-fertilizers have been developed for improving crop growth and yield. However, we still need comprehensive studies on developing effective nano-fertilizers, especially nitrogen nano-fertilizers, and assessing their impact on plant growth30. In addition, the...