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Articles by Tian Wang
Total Records ( 3 ) for Tian Wang
  Farman Ali Siyal , Mohamed Ezzat Abd El-Hack , Mahmoud Alagawany , Chao Wang , Xioli Wan , Jintian He , Mingfa Wang , Lili Zhang , Xiang Zhong , Tian Wang and Kuldeep Dhama
  Background and Objective: Lecithin is a feed supplement and dietary source of several active compounds; therefore, this study evaluated the Soybean Lecithin (SL) in broiler diets by measuring performance, nutrient utilization, serum parameters and hepatic antioxidant status. Methodology: About 216 days old Arbor Acre broiler chicks were allotted into three groups as follow: the first group was fed a Basal Diet (BD) without emulsifier; the second and third groups were fed basal diet supplemented with 0.05 (SL0.05) and 0.1% (SL0.10) of SL, respectively. Results: During starter, grower and overall period, chicken fed with SL has better daily gain and feed intake compared with control, while feed conversion was improved in SL0.10 throughout the experiment compared to SL0.05 and control. At 21 and 42 days old, SL0.10 showed highest relative liver weight compared to SL0.05 and control (p<0.05). On day 21, digestibility of dry matter, ether extract and protein in chickens fed diet with SL0.10 was significantly improved in comparison with those fed SL0.05 and control. Cholesterol, triglyceride and low density lipoprotein concentrations were decreased in SL0.10 group in comparison with control. Serum glucose was higher in SL0.10 group compared to SL0.05 and control. Feeding SL0.10 resulted in the decreased hepatic malondialdehyde content and remarkably increased catalase, total superoxide dismutase and total antioxidant capacity enzyme activities. Conclusion: Feeding soy lecithin at 0.10% improved performance, reduced cholesterol and triglyceride, LDL-cholesterol concentrations in serum broilers. In addition, soy lecithin is suitable for improving antioxidant status and has ability to protect against oxidative stress.
  Qiu Jue Wu , Yu Qin Wang , Yan Min Zhou and Tian Wang
  The objective of this study was to investigate the effects of natural and modified clinoptilolite in broiler chicks’ diets on growth performance, fat deposition and carcass characteristics. For the stated purpose, two hundred forty, 1 day old Arbor Acres broiler chicks of mixed sex were randomly divided into four treatment groups and eight replications on the basis of randomized complete block design for a period of 42 days. The broilers were fed control diet and the same diet added with 2% Natural Clinoptilolite (NCLI) and Modified Clinoptilolite (MCLI), respectively. Based on the results obtained, natural and modified clinoptilolite did not affect the growth performance of broiler chickens, the relative weight of breast, thighs and spleen, abdominal fat, subcutaneous fat thickness, intermuscular fat width and the meat quality of breast and thigh muscle. However, heart as haematopoietic organ, the addition of NCLI and MCLI can significantly reduced the relative weight of heart in broiler chicks (p<0.01). Furthermore, there is significant difference was observed for gizzard index and pH24h of breast muscle for modified clinoptilolite treatment (p<0.05). It seemed that natural and modified clinoptilolite did not have any major impact on the growth performance, fat deposition and carcass characteristics has a certain impact on the relative weight of organs.
  Qiujue Wu , Yuqin Wang , Zhanbin Wang , Yanmin Zhou and Tian Wang
  Acid modified clinoptilolite are usually used as adsorbents for NH3, heavy metals and organic contaminants. Acid-modified clinoptilolite was prepared using the method of ion exchange reaction at 80°C for 4 h and used for bacteria and toxins adsorption which are significant for providing mechanism for the adsorption of microorganisms in vitro. XRD, SEM, AFM, BET and micropore volume were used to characterize parent clinoptilolite and acid modified clinoptilolite. Cation Exchange Capacity (CEC) was used to determine changes of adsorption ability before and after modification. The acid-modified clinoptilolite showed the strong adsorptive in the rang of 20-25 mg g-1 when the initial bacterial suspension concentration was 1x108 Colony Forming Units (CFU)/mL. The adsorption capacities of acid-modified clinoptilolite for all bacterial suspension increased with an increase of initial bacterial suspension concentration. An increase of adsorption capability of acid-modified clinoptilolite was attributed to the BET and micropore volume. These results indicated the competency of acid-modified clinoptilolite adsorbent for bacteria adsorption.
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