新常态下完善新疆棉花目标价格补贴政策的思考     

矫健  陈伟忠  康永兴  付会期  茹仙古丽·牙生  巴特尔  蒋梅  穆钰 《中国棉花》2015,42(9):1-3

新常态下国内棉花产业面临诸多机遇和挑战,特别是2014年以来,国家连续两年在新疆实施棉花目标价格补贴政策,为完善我国农产品市场调控政策体系积累了宝贵的经验。梳理近年来国内棉花产业面临的新常态,分析了目标价格政策的作用机制,总结政策实施效果和问题,并为完善操作办法和措施提出建议。  相似文献   

Effects of Dietary Supplementation of Barodon on Growth Performance,Innate Immunity and Disease Resistance of Juvenile Olive Flounder,Paralichthys olivaceus,Against Streptococcus iniae     

Chang‐Hoon Shin  Hien Thi Dieu Bui  Samad Rahimnejad  Ji‐Hoon Cha  Byung‐Woo Yoo  Bo‐Kyeun Lee  Hyung‐Jin Ahn  Soo‐Il Choi  Yun‐Jeong Choi  Yong‐Ho Park  Jeong‐Dae Kim  Kyeong‐Jun Lee 《Journal of the World Aquaculture Society》2014,45(3):258-268

This study was conducted to evaluate the effects of dietary supplementation of Barodon, an anionic alkali mineral complex, on growth, feed utilization, humoral innate immunity and disease resistance of olive flounder. A basal experimental diet was used as a control and supplemented with 0.1, 0.2, 0.3, 0.4, or 0.5% Barodon. Triplicate groups of fish (26.4 ± 0.2 g) were fed one of the diets to apparent satiation twice daily for 10 wk. The growth performance was enhanced (P < 0.05) linearly and quadratically in fish fed diets containing Barodon compared with that in fish fed the control. Feed utilization was significantly improved by Barodon supplementation. Serum lysozyme and antiprotease activities were increased quadratically in Barodon fed groups. Also, significantly higher superoxide dismutase activity was found in Barodon‐fed fish. Dietary supplementation of 0.1–0.3% Barodon resulted in significant enhancement of fish disease resistance against Streptococcus iniae. The findings in this study indicate that dietary supplementation of Barodon can enhance growth, feed utilization, innate immunity, and disease resistance of olive flounder and that the optimum level seems to be 0.1% in diets.  相似文献   

一株牛病毒性腹泻病毒BVDV-GSLY的分离鉴定     

张康  张凯  王磊  崔东安  张景艳  闫遵祥  马雪青  薛欢  李建喜 《华北农学报》2020,35(z1):378-384

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不同药剂组合对马铃薯晚疫病的防治效果     

韩小女  展康  蔡永占  何彩花  吕庆长  杨亚琼 《中国马铃薯》2020,(1):46-52

马铃薯晚疫病是马铃薯生产中的重要病害,是影响马铃薯产量和品质的重要因素之一,在云南春作马铃薯上普遍发生,且危害较重,给当地马铃薯产业带来了巨大的经济损失。为减轻马铃薯晚疫病对马铃薯生产造成的损失,试验研究了11种药剂7种药剂组合(包衣剂+保护剂+治疗剂)通过播种期种薯包衣,现蕾期叶面喷施一次保护剂,发病初期和发病中期叶面各喷一次治疗剂的方法防治马铃薯晚疫病。结果表明,药剂组合种薯包衣+甲霜·锰锌+氟吡菌胺·霜霉威的防治效果最好,防治效果达到60.99%,增产率176.28%,增效率152.27%;其次是种薯包衣+霜脲·锰锌+氟吡菌胺·霜霉威组合,防治效果达到60.15%,增产率173.20%,增效率150.55%。这2个药剂组合对马铃薯晚疫病均有极显著的防治效果,增产增效明显。  相似文献   

海南兰科植物新记录     

叶康 《热带作物学报》2019,40(11):2261-2263

本文报道了海南兰科植物3新记录种,分别是全唇叉柱兰[Cheirostylis takeoi (Hayata) Schltr]、兰屿芋兰（Nervilia lanyuensis S. S. Ying）和台湾隐柱兰（Cryptostylis taiwaniana Masam）。凭证标本存于上海辰山植物园标本馆（CSH）。  相似文献   

温差发电装置在单缸柴油机上的应用     

白云云  蔚晓嘉  康国柱 《中国农机化学报》2015,(2):158-160

对温差发电装置中的主要器件热电转换模块进行了热电耦合模拟并在单缸机上进行实验验证,温差的大小是决定发电效率的直接因素之一。对热电模块在温差发电装置上的安装以及装置在单缸机排气管上的安装做系统分析。设计恒压电路,使温差装置所回收的电能有效的充入蓄电池。当电路中的电流达到1A时,24块热电模块能回收132W的能量,相当于额定功率的1%。  相似文献   

Effect of hay type on cecal and fecal microbiome and fermentation parameters in horses     

Rachel J Sorensen  James S Drouillard  Teresa L Douthit  Qinghong Ran  Douglas G Marthaler  Qing Kang  Christopher I Vahl  James M Lattimer 《Journal of animal science》2021,99(1)

The effect of hay type on the microbiome of the equine gastrointestinal tract is relatively unexplored. Our objective was to characterize the cecal and fecal microbiome of mature horses consuming alfalfa or Smooth Bromegrass (brome) hay. Six cecally cannulated horses were used in a split-plot design run as a crossover in two periods. The whole plot treatment was ad libitum access to brome or alfalfa hay fed over two 21-d acclimation periods with subplots of sampling location (cecum and rectum) and sampling hour. Each acclimation period was followed by a 24-h collection period where cecal and fecal samples were collected every 3 h for analysis of pH and volatile fatty acids (VFA). Fecal and cecal samples were pooled and sent to a commercial lab (MR DNA, Shallowater, TX) for the amplification of the V4 region of the 16S rRNA gene and sequenced using Illumina HiSeq. The main effects of hay on VFA, pH, and taxonomic abundances were analyzed using the MIXED procedure of SAS 9.4 with fixed effects of hay, hour, location, period, and all possible interactions and random effect of horse. Alpha and beta diversities were analyzed using the R Dame package. Horses fed alfalfa had greater fecal than cecal pH (P ≤ 0.05), whereas horses fed brome had greater cecal than fecal pH (P ≤ 0.05). Regardless of hay type, total VFA concentrations were greater (P ≤ 0.05) in the cecum than in feces, and alfalfa resulted in greater (P ≤ 0.05) VFA concentrations than brome in both sampling locations. Alpha diversity was greater (P ≤ 0.05) in fecal compared with cecal samples. Microbial community structure within each sampling location and hay type differed from one another (P ≤ 0.05). Bacteroidetes were greater (P ≤ 0.05) in the cecum compared with the rectum, regardless of hay type. Firmicutes and Firmicutes:Bacteroidetes were greater (P ≤ 0.05) in the feces compared with cecal samples of alfalfa-fed horses. In all, fermentation parameters and bacterial abundances were impacted by hay type and sampling location in the hindgut.  相似文献   

Characteristics of 18F-FDG and 18F-FDOPA PET in an 8-year-old neutered male Yorkshire Terrier dog with glioma: long-term chemotherapy using hydroxyurea plus imatinib with prednisolone and immunoreactivity for PDGFR-β and LAT1     

Taesik Yun  Yoonhoi Koo  Sanggu Kim  Wonguk Lee  Hakhyun Kim  Dongwoo Chang  Soochong Kim  Mhan-Pyo Yang  Byeong-Teck Kang 《The Veterinary quarterly》2021,41(1):163

An 8-year-old neutered male Yorkshire Terrier dog presented with head pressing, vestibular ataxia, neck tenderness, and no oculocephalic reflex. A demarcated lesion in the pons was identified on MRI. The patient was tentatively diagnosed with a glioma and was treated with hydroxyurea plus imatinib and prednisolone. After 30 days of therapeutic treatment, the patient showed a clear improvement in neurological signs, which lasted for 1117 days. On day 569 after the initiation of treatment, ¹⁸F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) was performed with no significant findings on visual analysis. The average and maximal standardized uptake values (SUVs) were 1.92 and 2.29, respectively. The tumor-to-normal-tissue (T/N) ratio was 0.97. The first evidence of clinical deterioration was noticed on day 1147. On day 1155, 3,4-dihydroxy-6-[¹⁸F]-fluoro-l-phenylalanine (¹⁸F-FDOPA)-PET was performed. High uptake of ¹⁸F-FDOPA was observed in the intracranial lesion. The mean and maximal SUVs of the tumor were 1.59 and 2.29, respectively. The T/N ratio was 2.22. The patient was euthanized on day 1155 and histopathologic evaluations confirmed glioma (astrocytoma). This case shows that chemotherapy with hydroxyurea plus imatinib may be considered in the treatment of canine glioma. Furthermore, this is the first case describing the application of ¹⁸F-FDG and ¹⁸F-FDOPA in a dog with glioma.  相似文献   

陕西省西安市牛羊养殖场职业暴露高危人群布鲁氏菌感染相关风险因素分析     

王新  徐琨  张靖飞  冯鹏  高娴  赵康 《中国动物检疫》2021,38(5):5-9

为掌握陕西省西安市牛羊养殖场职业暴露人群布鲁氏菌感染风险因素,做好高危人群布鲁氏菌病防控工作,2019年对西安市39个布鲁氏菌病阳性养殖场及346位职业暴露高危人群进行流行学调查,并采用单因素分析及多因素logistic回归分析,找出养殖场高危人群感染风险因素。结果显示:畜间布鲁氏菌病在养殖方式上主要发生于散养场(27/39),时间上发生于4月、7—8月、10月,在畜种上以羊群为主(28/39)。对从业人员主观潜在风险因素的单因素分析发现,感染从业人员与未感染高危人员在挤奶、喝生牛羊乳、接生、免疫、接触流产畜(流产物及粪便)病差异均有统计学意义(P 0.05);多因素logistic回顾分析发现,挤奶(OR=2.435,95%CI=1.137～5.071)、喝生牛羊乳(OR=2.893,95%CI=1.218～7.569)、接生(OR=3.217,95%CI=1.382～8.036)、接触流产畜(流产物及粪便,OR=2.439,95%CI=1.175～5.209)是从业人员感染的风险因素。同时,对养殖场客观潜在风险因素的单因素分析及多因素logistic回顾分析显示,场区消毒(OR=0.694,95%CI=0.307～1.043)、流产病死畜无害化处理(OR=0.549,95%CI=0.325～1.105)也是从业人员感染的风险因素。结果表明,挤奶、喝生牛羊乳、接生、接触流产畜(流产物及粪便)是从业人员感染的主观性风险因素,场区消毒、流产病死畜无害化处理是从业人员感染的客观风险因素。结果提示,牛羊养殖场及从业人员应加强对上述感染风险因素的控制,降低暴露风险。同时,相关机构应开展牛羊养殖场职业暴露人群布鲁氏菌病防控知识科普宣传,提升其防范能力。  相似文献   

包虫病宣传片《格桑花开》宣传效果评估     

刘平  王幼明  康京丽  黄保续  葛威  李翠玲  张玉宝  孙向东 《中国动物检疫》2021,38(7):1-4

《格桑花开》是首次以情景剧形式进行人兽共患病防治宣传而拍摄的科普影片。影片开播后,各省组织农牧民,通过集中播放或自行观看等方式进行防治知识宣传。为评价《格桑花开》的宣传干预效果,播放1年后,在新疆、青海、甘肃、四川4省区抽取农牧民进行包虫病防控知识、态度、行为问卷调查。结果显示:与干预前的基线调查相比,养殖户的包虫病防治相关知识、态度和行为平均得分分别上升了8.4%、16.5%和15.2%,各调查省区干预后的平均得分均有提升。结果表明,在文化水平偏低、少数民族语言使用较多的地区,用情景剧方式对动物疫病进行防治宣传教育效果较好。  相似文献