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Effect of Glycyrrhiza uralensis Fisch polysaccharide on growth performance and immunologic function in mice in Ural City,Xinjiang

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Asian Pacific Journal of Tropical Medicine 2016年第11期9卷 1056-1061页

作者： Jie Chen Xiao-Qing Zhu Li Yang Yan Luo Meng-Yuan Wang Xiao-Ting Liu Ke-Xun Liang Xin-Li Gu Gullege of Animal Science and Technology Shihezi University

Objective:To discuss the effect of Glycyrrhiza uralensis(***) Fisch polysaccharide on growth performance and immunologic function in mice in Ural City,Xinjiang and to provide important data supporting the application of Glycyrrhiza ***:A total of100 Kunming mice aged 3 weeks old were randomly divided into 5 groups with 20 mice in each group(10 were females and 10 were males).About 0.5 mL normal saline was given to the mice of control group every day and 0.5 mL *** Fisch polysaccharide was given to the mice of other groups at the concentration of 1,20,50 and 100 mg/mL *** growth performance(average body weight,average daily feed intake and feed efficiency),immune organ indexes(spleen index and thymus index) and immunologic function(serum IL-2,CD4^+/CD8^+ and the activity of NK cells) of mice in each group were detected ***:The average body weight,feed efficiency,serum IL-2,CD4^+/CD8^+ and the activity of NK cells of mice were increased with the increase of administrated time after administrating *** Fisch polysaccharide and were reached up the largest level on Day *** the same time,each index was proportional to the given dose and was significantly higher than those of control group and reached up the largest level at the administrated dose of 100 mg/*** administrating *** Fisch polysaccharide,the spleen index and thymus index of mice were increased with the increase of administrated dose and the spleen index and thymus index of mice administrated with the dose of 100 mg/mL were maximum which was more than 1.51 times and 1.43 times of that in control group respectively and the comparative differences showed statistical significance(P0.05).Conclusions:*** Fis

关键词： Glycyrrhiza uralensis Fisch polysaccharide immune organ index Growth performance Immunologic function

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Effects of dynamic segmentation of nutrient supply on growth performance and intestinal development of broilers

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Animal Nutrition 2016年第4期2卷 276-281页

作者： Xiangyang Huang Huiyi Cai Guohua Liu Haijie Yan Wenhuan Chang Shu Zhang The Key Laboratory of Feed Biotechnology of the Ministry of Agriculture Feed Research Institute Chinese Academy of Agricultural Sciences

This experiment was to investigate the effects of dynamic segmentation of interval nutrient supply phase feeding on the growth performance, carcass characteristics, immune organs indexes and intestinal morphology of broilers. A total of 320 one-day-old broilers were randomly assigned into 4 feeding treatments, which included 4 interval nutrient supply phases as follows. Treatment A: a nutrient supply standard was used for every 14 d. Treatment B: a nutrient supply standard was used for every 7 d. Treatment C: a nutrient supply standard was used for every 3.5 d except that one nutrient supply standard was used for d 1 to 7. Treatment D: a nutrient supply standard was used for every 3.5 d including d 1 to 7. Each treatment was represented by 8 replicates with 10 broilers per replicate. The trial lasted for 42 days. Throughout the 42 d trial period, treatment A showed significantly higher average daily gain than treatments B and C(P immune organs indexes(P > 0.05). The crypt depth of duodenum was significantly greater in treatments A and B than in treatment C on day 42(P immune organs indexes and intestinal structure(P> 0.05). In conclusion, this study revealed that the growth and carcass performance of broilers is the best for 14 days se

关键词： Broilers Phase feeding Performance immune organ index Intestine

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Effects of All-trans Retinoic Acid (ATRA) against Bacterial Infection in Chickens

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Agricultural Biotechnology 2017年第4期6卷 25-27,47页

作者： Chao REN Rujie LI Biao YU Nina JIA Shunzi YUAN Tianming JIN College of Animal Science and Veterinary Medicine Tianjin Agricultural University Tianjin 300384 China

In order to investigate the effects of all-trans retinoic acid （ATRA） against bacterial infection in chickens, 35 3-day-old AA broiler chickens were fed adaptively for two days and randomly divided into five groups, including Escherichia coli experimental group （ group 1 ）, Escherichia coli control group （group 2）, blank control group （ group 3 ）, PasteureUa experimental group （ group 4）, and PasteureUa control group （ group 5 ）. At 5 days of age, the chickens in group 1 and group 4 were drenched with 5 ***/kg ATRA for seven consecutive days according to their weight; the chickens in group 2, group 3 and group 5 were drenched with an equal volume of dimethyl sulfoxlde （DMSO）. The clinical symptoms and weight changes in each group were observed and recorded. Seven days later, the chickens were euthanized and dissected to determine the immune organ indexes. The results showed that there were significant differences in body weight between ATRA-administrated chickens and non-administrated chickens after bacterial infection （P 〈 0.05 ） ; moreover, the immune organ indexes of ATRA-administrated chickens exhibited significant differences compared with control group （P 〈 0.05 ）, indicating that ATRA could promote the development of immune organs of poultry, thereby enhancing the body immunity against bacterial infection.

关键词： All-trans retinoic acid (ATRA) Escherichia coli Pasteurella Chickens Anti-infection Weight immune organ index

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Effect of Shuanghuanglian Propolis Oral Liquid on immune Function of Broilers

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Animal Husbandry and Feed Science 2016年第1期8卷 29-30页

作者： Yang Limei Ma Li Guo Shijin Xu Qianqian Shen Zhiqiang Wang Yanping Zhang Ying Shandong Binzhou Animal Science and Veterinary Medicine Academy Binzhou 256600China Shandong Lvdu Ante Veterinary Drug Co. Ltd.Binzhou 256600China

The effects on immune function of broilers was studied by adding different doses of Shuanghuanglian propolis oral liquid in drinking water, to provide a theoretical basis for application and promotion of Shuanghuanglian propolis oral liquid. Ninety one-day-old broilers were randomly divided into three groups ： group I was designed as control; groups Ⅱ and Ⅲ were added with 0.5 and 1.0 mL/L Shuanghuanglian propolis oral liquid in drinking water, respectively. Compared with group I, all tested indicators in groups Ⅱ and Ⅲ were increased at varying degrees as follows ： bursa of fabricius index increased by 5.74% （P 〈 0.05 ） and 7.66% （P 〈 0.05 ） ; thymus index increased by 1.47% （P 〉 0.05 ） and 2.06% （P 〈 0.05 ） ; spleen index increased by 5.88% （P 〉 0.05 ） and 7.84% （ P 〈 0.05 ） ; Newcastle disease virus （NDV） antibody titer increased by 11.99% （P 〈 0.05 ） and 16.94% （P 〈 0.05 ） ; IL-2 content increased by 2.71% （P 〉 0.05） and 4.52% （P 〈 0.05 ） ; IL -6 content increased by 4.04% （P 〉 0.05 ） and 7.26% （ P 〈 0.05 ）, respectively. The results showed that adding 0.5 and 1.0 mL/L Shuanghuangllan propolis oral liquid in drinking water could improve the immune function of broiler and immune effect of ND vaccine.

关键词： Shuanghuanglian propolis oral liquid immune organ index Antibody titer Cytokines immune function

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Enhancement of Humoral immune Response of Newcastle Disease Vaccine by ATRA

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Animal Husbandry and Feed Science 2017年第4期9卷 226-228页

作者： Ren Chao Cao Wei Zhang Wenbo Jin Tianming Department of Animal Sciences and Veterinary Medicine Tianjin Agricultural University

[ Objective] The paper was to study the immune enhancement of ATRA on Newcastle Disease （ND） vaccine. [ Method ] The 1-day-old AA broilers were treated with ATRA at the doses of I and 5 ***/kg, respectively. At 7 and 28 days of age, broilers in drug control group, low dose group and high dose group were immunized with ND vaccine by intranasal and eye immunization approach. At 7, 14, 21, 28, 35, 42 and 49 clays of age, seven chickens were randomly se- lected from each group and weighed. The thymus, spleen, bursa of fabrieius and serum were collected for calculating immune organ index of thymus, spleen and bursa of fabricius. The ND specific antibody titers in serum were determined with HI test. [Result] ATRA promoted the growth of thymus, spleen and bursa of fabricius, and improved the immune organ index and ND specific antibody titers of chicks. [ Conclusion] ATRA enhanced the humoral immune response of chicks, and ATRT at the dose of 5 μmol/kg presented more prominent immune enhancement effect on ND vaccine.

关键词： ATRA ND vaccine Humoral immune immune enhancement immune organ index

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Study on the Effect of Shuanghuanglian Injection on Antibacterial Effect of Moxifloxacin

Study on the Effect of Shuanghuanglian Injection on Antibact...

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2010 3rd International Conference on Future Biomedical Information Engineering(FBIE 2010)

作者： Nanyan Xiong Xiaoxia Liu Xueling Wang Huiying Zhang Bin Wang College of Medicine Hebei University of Engineering

AIM: Observe the effect of shuanghuanglian injection on the antibacterial effect of moxifloxacin. METHODS: Observe the effect of shuanghuanglian injection on antipyresis of moxifloxacin, neutrophil ph

关键词： shuanghuanglian moxifloxacin antibacterial effect immune organ index neutrophil phagocytosis

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