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| 1 | 广东龙窝花岗闪长质岩体的年代学、地球化学及岩石成因显示文摘龙窝岩体是南岭地区燕山早期具幔源组分贡献的花岗岩的典型代表,其主体岩性为花岗闪长岩,岩体中含有深色闪长质包体,锆石ELA-ICP-MS定年结果表明花岗闪长岩的形成年龄为169.1±2.5Ma,属中侏罗世岩浆活动的产物。地球化学特征上,该岩体铝弱过饱和(A/NKC=1.0~1.1),相对贫碱,富钾(K_2O/Na_2O=1.15~1.45),富轻稀土和大离子亲石元素(如Rb、Cs、Th、U),贫高场强元素(如Nb、Ti)。闪长质包体具有与寄主岩相似的矿物组合,但铁镁矿物含量及过渡族元素(V、CR、Co、Ni)丰度相对偏高,二者的主量和微量元素表现出混合成因的演化趋势。寄主岩与包体具有相近的Sr、Nd同位素组成,I_(Sr)和ε_(Nd)(t)值分别为0.70843~0.70995、-6.53~-8.89和0.70797~0.70882、-4.71~-9.24,均表现出壳幔混源花岗岩类岩石的特点。二元混合模拟计算显示寄主岩与包体成岩过程中地幔物质的混入比例分别为32.9%~40.4%和 31.8%~46.4%。通过对岩石产出构造背景及地质地球化学特征的综合分析,表明龙窝花岗闪长岩及其中的闪长质包体是在伸展-引张环境下,由幔源基性岩浆及其诱发的壳源长英质岩浆混合作用的产物。 | 邱检生 胡建 McInnes B I A 蒋少涌 徐夕生 Allen C M | 2004 | 岩石学报2004,20,6: | 19 |
| 2 | 一种新的嫌色性肾细胞癌肿瘤分级系统:预后价值和与Fuhrman核分级比较显示文摘 | Paner G P Amin M B Alvarado-Cabrero I 黄文斌(摘译) | 2010 | 临床与实验病理学杂志2010,26,5: | 17 |
| 3 | AZ31B镁合金薄板超塑性气胀成形显示文摘利用热拉伸试验、气胀成形、金相显微镜和扫描电镜,研究AZ31B镁合金薄板热拉伸性能、气胀成形性能及其组织结构。结果表明:在变形温度为425℃,应变速率为1.0×10-3~6.6×10-5s-1时,其流动应力4~12MPa,延伸率则为200%~327%,挤压+热轧/冷轧的镁合金薄板表现出良好的超塑性;在变形温度为425℃,应变速率为1.0×10-3s-1条件下AZ31B镁合金板材的超塑气胀成形性能较好,胀形件的高度可达24mm以上,其高径比大于0.80。 | 张青来 肖富贵 郭海铃 A B Bondarev B I Bondarev | 2009 | 稀有金属材料与工程2009,38,7: | 8 |
| 4 | Ever-increasing diversity of drug-induced pancreatitis显示文摘With over 100000 hospital admissions per annum,acute pancreatitis remains the leading gastrointestinal cause of hospitalization in the United States and has farreaching impact well beyond.It has become increasingly recognized that druginduced pancreatitis(DIP),despite accounting for less than 3%of all cases,represents an important and growing though often inconspicuous cause of acute pancreatitis.Nevertheless,knowledge of DIP is often curtailed by the limited availability of evidence needed to implicate given agents,especially for nonprescription medications.Indeed,the majority of available data is derived from case reports,case series,or case control studies.Furthermore,the mechanism of injury and causality for many of these drugs remain elusive as a definitive correlation is generally not established(<10%of cases).Several classification systems have been proposed,but no single system has been widely adopted,and periodic updates are required in light of ongoing pharmacologic expansion.Moreover,infrequently prescribed medications or those available over-thecounter(including herbal and other alternative remedies)are often overlooked as a potential culprit of acute pancreatitis.Herein,we review the ever-increasing diversity of DIP and the potential mechanisms of injury with the goal of raising awareness regarding the nature and magnitude of this entity.We believe this manuscript will aid in increasing both primary and secondary prevention of DIP,thus ultimately facilitating more expedient diagnosis and a decrease in DIPrelated morbidity. | Simcha Weissman Muhammad Aziz Ryan B Perumpail Tej I Mehta Rutwik Patel James H Tabibian | 2020 | World Journal of Gastroenterology2020,26,22: | 8 |
| 5 | 维生素D对心力衰竭患者全因死亡率的影响:4000U/d维生素D口服3年随机临床试验结果显示文摘循环25-羟基维生素D[25-hydroxyvitamin D,25(OH)D]〈75nmol/L与死亡率风险的非线性增加相关。这种低25(OH)D水平在心力衰竭患者中很常见。因此,Zittermann等进行研究检查口服维生素D补充剂能否降低晚期心力衰竭患者的死亡率。 | 刘莉 叶鹏 Zittermann A Ernst JB Prokop S Fuchs U Dreier J Kuhn J Knabbe C Birschmann I Schulz U Berthold HK Pilz S Gouni-Berthold I Gummert JF Dittrich M Brgermann J | 2017 | 中华高血压杂志2017,25,10: | 7 |
| 6 | Sessile serrated adenomas:Demographic,endoscopic and pathological characteristics显示文摘AIM:To study the demographic and endoscopic characteristics of patients with sessile serrated adenoma(SSA) in a single center.METHODS:Patients with SSA were identified by review of the pathology database of Mayo Clinic Arizona from 2005 to 2007.A retrospective chart review was performed to extract data on demographics,polyp characteristics,presence of synchronous adenomatous polyps or cancer,polypectomy methods,and related complications.RESULTS:One hundred and seventy-one(2.9%) of all patients undergoing colonoscopy had a total of 226 SSAs.The mean(SE) size of the SSAs was 8.1(0.4) mm;42% of SSAs were ≤ 5 mm,and 69% were ≤ 9 mm.Fifty-one per cent of SSAs were located in the cecum or ascending colon.Approximately half of the patients had synchronous polyps of other histological types,including hyperplastic and adenomatous polyps.Synchronous adenocarcinoma was present in seven(4%) cases.Ninety-seven percent of polyps were removed by colonoscopy.CONCLUSION:Among patients with colon polyps,2.9% were found to have SSAs.Most of the SSAs were located in the right side and were safely managed by colonoscopy. | Suryakanth R Gurudu Russell I Heigh Giovanni De Petris Evelyn G Heigh Jonathan A Leighton Shabana F Pasha Isaac B Malagon Ananya Das | 2010 | World Journal of Gastroenterology2010,16,27: | 7 |
| 7 | 三级高血压单位5100例患者低血钾症与原发性醛固酮增多症的发病率显示文摘常伴有低血钾症的原发性醛固酮增多症(原醛)被认为是一个少见病。广泛筛查高血压患者发现正常血钾的原醛发生率增加。许多研究报道原醛低血钾症的发生率,相反,低血钾症患者中原醛的发生率并不明确。在该回顾性观察研究,研究者探讨了高血压患者中低钾的发生率以及低血钾症合并高血压患者中原醛的发生率。 | 赵狄(译) 刘莉(审校) Burrello J Monticone S Losano I Cavaglià G Buffolo F Tetti M Covella M Rabbia F Veglio F Pasini B Williams TA Mulatero P | 2020 | 中华高血压杂志2020,28,3: | 7 |
| 8 | Vanishing bile duct syndrome in human immunodeficiency virus: Nevirapine hepatotoxicity revisited显示文摘Vanishing bile duct syndrome (VBDS) refers to a group of disorders characterized by prolonged cholestasis as a result of destruction and disappearance ofintrahepatic bile ducts. Multiple etiologies have been indentifi ed including infections, neoplastic disorders, autoimmune conditions and drugs. The natural history of this condition is variable and may involve resolution of cholestasis or progression with irreversible damage. VBDS is extremely rare in human immunodeficiency virus (HIV)-infected patients and anti-retroviral therapy has never been implicated as a cause. We encountered a young pregnant female with HIV and VBDS secondary to anti-retroviral therapy. Here, we report her clinical course and outcome. | Rajan Kochar Moises I Nevah Frank J Lukens Michael B Fallon Victor I Machicao | 2010 | World Journal of Gastroenterology2010,16,26: | 6 |
| 9 | 液态二氧化碳对俄罗斯某油藏稠油的膨胀与萃取作用实验显示文摘利用俄罗斯某油藏稠油样品,通过实验分析稠油与液态CO_2混合后两者之间的质量传递作用以及混合物中重相(稠油和CO_2的混合物)和轻相(纯CO_2)的特性变化。研究表明,当混合物中CO_2浓度为10%时,稠油基本上不发生膨胀;当混合物中CO_2浓度高于26%时,由于稠油轻质组分的萃取量超过了CO_2在稠油中的饱和量导致重相体积减少,重相黏度呈指数增长,混合物中CO_2的浓度为26%时,有效降低重相黏度的作用最强;重相和轻相密度、体积系数、气体溶解度和闪蒸重相黏度均随着混合物中CO_2浓度的增加而变大;混合物中最佳的CO_2浓度是26%,此时稠油膨胀最大、重相的黏度值最小;混合物中CO_2的浓度为10%~26%时,轻相的体积最小,驱油效果最好。 | LOBANOV A A SHHEKOLDIN K A STRUCHKOV I A ZVONKOV M A HLAN M V PUSTOVA E J KOVALENKO V A ZOLOTUKHIN A B | 2018 | 石油勘探与开发2018,45,5: | 6 |
| 10 | Patterns of in-hospital mortality and bleeding complications following PCI for very elderly patients: insights from the Dartmouth Dynamic Registry显示文摘BackgroundVery 老病人(年龄 85 年) 是人口的一个很快增加的片断。作为一个组,他们经历跟随经皮的冠的干预(一种总线标准) 的在里面医院死亡和流血复杂并发症的高率。然而,在流血和死亡在之间的关系老 unknown.MethodsRetrospective 评论在 Dartmouth-Hitchcock 从 2000 ~ 2015 在 17,378 连续一种总线标准过程上被执行医学中心。在索引一种总线标准承认期间流血的发生(流血要求的输送,存取地点 hematoma > 5 厘米, pseudoaneurysm,和 retroperitoneal 流血)? 并且在里面医院死亡为四个年龄组被报导(< 65 年, 65-74 年, 75-84 年,和 85 年) 。承受了谁的流血复杂并发症和那些的病人的死亡被计算, multivariate 分析为在里面医院被执行死亡。最后,知道流血的预言者在病人年龄之间被比较 < 85 年和年龄 17,378 个病人学习了的 85 years.ResultsOf,(5.9%) 1019 经历了流血,(2.1%) 369 死了在里面医院追随者一种总线标准。流血和在里面医院死亡的发生与增加年龄 monotonically 增加了(死亡:0.94% , 2.27% , 4.24% 和 4.58% ;流血:3.96% , 6.62% , 10.68% 和 13.99% 好久 < 65, 65-74, 75-84 和 85 年,分别地) 。除了病人年龄 85 年,在 multivariate 分析上,流血为所有年龄组与增加的死亡被联系[机会比率(95% CI ) :变老 < 65 年, 3.65 (1.99-6.74 ) ;年龄 65-74 年, 2.83 (1.62-4.94 ) ;年龄 75-84 年, 3.86 (2.56-5.82 ) ,年龄 85 年:1.39 (0.49-3.95 )] 有增加的 .ConclusionsBleeding 和死亡追随者一种总线标准增加变老。为老尽管有流血的高率,流血在里面医院死亡追随者一种总线标准不再是预兆的。 | Shawn X Li Hannah I Chaudry Jiyong Lee Theodore B Curran Vishesh Kumar Kendrew K Wong Bruce W Andrus James T DeVries | 2018 | Journal of Geriatric Cardiology2018,15,2: | 6 |
| 11 | Cystic lymphangioma of the pancreas显示文摘Lymphangioma of the pancreas is an extremely rare benign tumour of lymphatic origin,with fewer than 60 published cases. Histologically,it is polycystic,with the cysts separated by thin septa and lined with endothelial cells. Though congenital,it can affect all age groups,and occurs more frequently in females. Patients usually present with epigastric pain and an associated palpable mass. Complete excision is curative,even though,depending on the tumour location,surgery may be simple or involve extensive pancreatic resection and anastomoses. The authors present a 49-year-old woman in whom a polycystic septated mass,35 mm x 35 mm in size,was discovered by ultrasonography (US) in the body of the pancreas during investigations for epigastric pain and nausea. At surgery,a well circumscribed polycystic tumor was completely excised,with preservation of the pancreatic duct. The postoperative recovery was uneventful. Histology confirmed a microcystic lymphangioma of the pancreas. Immunohistochemistry showed cystic endothelial cells reactivity to factor Ⅷ -RA (++),CD31 (+++) and CD34 (-). Postoperatively,abdominal pain disappeared and the patient remained symptomfree for 12 mo until now. Although extremely rare,lymphangioma of the pancreas should be taken into consideration as a differential diagnosis of a pancreatic cystic lesion,especially in women. | Radoje B Colovic Nikica M Grubor Marjan T Micev Henry Dushan E Atkinson Vitomir I Rankovic Mihajlo M Jagodic | 2008 | World Journal of Gastroenterology2008,14,44: | 6 |
| 12 | 血液透析患者血压水平的地域和季节性差异显示文摘季节和气候对一般人群以及血液透析患者的血压调节有影响。目前这个现象在世界各地是否有所不同尚不清楚。研究者对来自7个欧洲国家(西班牙、意大利、法国、比利时、德国、英国和瑞典)2005-2011年间参加国际透析预后与实践模式研究(dialysis outcomes and practice patterns study,DOPPS)的患者进行了研究,目的是探究来自不同地理位置的血液透析患者的血压季节差异。 | 刘青 叶鹏 Duranton F Kramer A Szwarc I Bieber B Gayrard N Jover B Vetromile F Massy ZA Combe C Tentori F Jager KJ Servel MF Argilés | 2018 | 中华高血压杂志2018,26,1: | 5 |
| 13 | Serum vitamin D and colonic vitamin D receptor in inflammatory bowel disease显示文摘AIM: To determine serum vitamin D levels and colonic vitamin D receptor(VDR) expression in inflammatory bowel disease(IBD) and non-IBD patients and correlate these with histopathology.METHODS: Puerto Rican IBD(n = 10) and non-IBD(n = 10) patients ≥ 21 years old scheduled for colonoscopy were recruited. Each patient completed a questionnaire and provided a serum sample and a colonic biopsy of normal-appearing mucosa. For IBD patients, an additional biopsy was collected from visually diseased mucosa. Serum vitamin D levels were measured by ultra-performance liquid chromatography and mass spectrometry. Hematoxylin and eosin stained tissue sections from colonic biopsies were classified histologically as normal or colitis(active/inactive), and scored for the degree of inflammation present(0-3, inactive/absent to severe). Tissue sections from colonic biopsies were also stained by immunohistochemistry for VDR, for which representative diagnostic areas were photographed and scored for staining intensity using a 4-point scale.RESULTS: The IBD cohort was significantly younger(40.40 ± 5.27, P < 0.05) than the non-IBD cohort(56.70 ± 1.64) with a higher prevalence of vitamin D deficiency(40% vs 20%, respectively) and insufficiency(70% vs 50%, respectively). Histologic inflammation was significantly higher in visually diseased mucosa from IBD patients(1.95 ± 0.25) than in normalappearing mucosa from control patients(0.25 ± 0.08, P < 0.01) and from IBD patients(0.65 ± 0.36, P < 0.05) and correlated inversely with VDR expression in visually diseased colonic tissue from IBD patients(r =-0.44, P < 0.05) and from IBD patients with Crohn's disease(r =-0.69, P < 0.05), but not in normal-appearing colonic tissue from control patients or IBD patients. Control and IBD patient serum vitamin D levels correlated positively with VDR expression in normal colon from control and IBD patients(r = 0.38, P < 0.05) and with patient age(r = 0.54, P < 0.01). CONCLUSION: Levels of serum vitamin D correlate positively with colonic VDR expression in visually normal mucosa whereas inflammation correlates negatively with colonic VDR expression in visually diseased mucosa in Puerto Rican patients. | Yamilka Abreu-Delgado Raymond A Isidro Esther A Torres Alexandra González Myrella L Cruz Angel A Isidro Carmen I González-Keelan Priscilla Medero Caroline B Appleyard | 2016 | World Journal of Gastroenterology2016,22,13: | 5 |
| 14 | FIT阳性结直肠癌筛查对象的结肠胶囊内窥镜检查与CT结肠成像检查对比:一项前瞻性随机试验--VICOCA研究显示文摘背景:结肠胶囊内窥镜检查(colon capsule endoscopy,CCE)和CT结肠成像(CT colonography,CTC)是用于结直肠癌(CRC)筛查的微创技术。我们的目的在于比较CCE和CTC在CRC筛查发现粪便免疫化学试验(faecal immunochemicaltest,FIT)阳性的受试者中识别结直肠肿瘤患者的效能。主要研究结果是CCE和CTC检出肿瘤性病变效能的比较。方法:VICOCA研究是一项于2014年3月至2016年5月进行的前瞻性、单中心随机试验。在进行结肠镜检查之前,共向662人提出检查建议,其中349人被随机分入CCE组或CTC组。内镜医师并未知晓CCE和CTC检查的结果。结果:共349人纳入分组,其中CCE组173人、CTC组176人。共290人同意参加该研究,其中CCE组147人、CTC组143人。在意向筛查分析中,CCE组检出结直肠肿瘤的敏感度、特异度、阳性预测值和阴性预测值分别为98.1%、76.6%、93.7%和92.0%,CTC组相应分别为64.9%、95.7%、96.8%和57.7%。在检出显见的肿瘤性病变方面,CCE组和CTC组的敏感度分别为96.1%和79.3%。CCE组对晚期结直肠肿瘤的检出率有相比CTC组更高的趋势(分别为100%和93.1%,RR=1.07,P=0.08)。CCE组和CTC组均识别出所有癌症患者。CCE组检出存在任一肿瘤性病变患者的比例高于CTC组(分别为98.6%和81.0%,RR=1.22,P=0.002)。结论:虽然两种技术在识别晚期结直肠肿瘤患者方面的效能相近,但CCE检出任一肿瘤性病变的敏感度更高。 | 佟伟华 GONZáLEZ-SUáREZ B PAGéS M ARAUJO I K | 2020 | 结直肠肛门外科2020,26,6: | 4 |
| 15 | 接受纳武单抗治疗的晚期肝细胞癌患者炎症生物标志物与临床转归的相关性显示文摘【据Journal of Hepatology 2020年7月报道】题:接受纳武单抗治疗的晚期肝细胞癌患者炎症生物标志物与临床转归的相关性(作者Sangro B等)程序性死亡因子-1(PD-1)抑制剂纳武单抗治疗晚期肝细胞癌患者具有持久的疗效,较高的安全性,且能够显著提高患者的生存期。该研究回顾性分析了接受纳武单抗治疗的肝细胞癌患者的免疫生物学特征以及生物标志物和临床转归之间可能的相关性。 | 周豪 牛俊奇 SANGRO B MELERO I WADHAWAN S | 2020 | 临床肝胆病杂志2020,36,9: | 4 |
| 16 | Occult hepatitis B virus infection among Egyptian blood donors显示文摘AIM:To identify blood donors with occult hepatitis B virus(HBV) infection(OBI) to promote safe blood donation.METHODS:Descriptive cross sectional study was conducted on 3167 blood donors negative for hepatitis B surface antigen(HBsAg),hepatitis C antibody(HCV Ab) and human immunodeficiency virus Ab.They were subjected to the detection of alanine aminotransferase(ALT) and aspartate transaminase(AST) and screening for anti-HBV core antibodies(total) by two different techniques;[Monoliza antibodies to hepatitis B core(Anti-HBc) Plus-Bio-Rad] and(ARC-HBc total-ABBOT).Positive samples were subjected to quantitative detection of antibodies to hepatitis B surface(anti-HBs)(ETI-AB-AUK-3,Dia Sorin-Italy).Serum anti-HBs titers > 10 IU/L was considered positive.Quantitative HBV DNA by real time polymerase chain reaction(PCR)(QIAGEN-Germany) with 3.8 IU/mL detection limit was estimated for blood units with negative serum anti-HBs and also for 32 whose anti-HBs serum titers were > 1000 IU/L.Also,265 recipients were included,34 of whom were followed up for 3-6 mo.Recipients were investigated for ALT and AST,HBV serological markers:HBsAg(ETI-MAK-4,Dia Sorin-Italy),anti-HBc,quantitative detection of anti-HBs and HBV-DNA.RESULTS:525/3167(16.6%) of blood units were positive for total anti-HBc,64% of those were antiHBs positive.Confirmation by ARCHITECT anti-HBc assay were carried out for 498/525 anti-HBc positive samples,where 451(90.6%) confirmed positive.Reactivity for anti-HBc was considered confirmed only if two positive results were obtained for each sample,giving an overall prevalence of 451/3167(14.2%) for total anti-HBc.HBV DNA was quantified by real time PCR in 52/303(17.2%) of anti-HBc positive blood donors(viral load range:5 to 3.5 x 105 IU/mL) with a median of 200 IU/mL(mean:1.8 x 104 ± 5.1 x 104 IU/mL).AntiHBc was the only marker in 68.6% of donors.Univariate and multivariate logistic analysis for identifying risk factors associated with anti-HBc and HBV-DNA positivity among blood donors showed that age above thirty and marriage were the most significant risk factors for prediction of anti-HBc positivity with AOR 1.8(1.4-2.4) and 1.4(1.0-1.9) respectively.Other risk factors as gender,history of blood transfusion,diabetes mellitus,frequent injections,tattooing,previous surgery,hospitalization,Bilharziasis or positive family history of HBV or HCV infections were not found to be associated with positive anti-HBc antibodies.Among anti-HBc positive blood donors,age below thirty was the most significant risk factor for prediction of HBV-DNA positivity with AOR 3.8(1.8-7.9).According to HBV-DNA concentration,positive samples were divided in two groups;group one with HBV-DNA ≥ 200 IU/mL(n = 27) and group two with HBV-DNA < 200 IU/mL(n = 26).No significant difference was detected between both groups as regards mean age,gender,liver enzymes or HBV markers.Serological profiles of all followed up blood recipients showed that,all were negative for the studied HBV markers.Also,HBV DNA was not detected among studied recipients,none developed post-transfusion hepatitis(PTH) and the clinical outcome was good.CONCLUSION:OBI is prevalent among blood donors.Nucleic acid amplification/HBV anti core screening should be considered for high risk recipients to eliminate risk of unsafe blood donation. | Zeinab N Said Manal H El Sayed Iman I Salama Enas K Aboel-Magd Magda H Mahmoud Maged El Setouhy Faten Mouftah Manal B Azzab Heidi Goubran Amal Bassili Gamal E Esmat | 2013 | World Journal of Hepatology2013,5,2: | 4 |
| 17 | Kinetic determination of silver based on oxidation of 7-(antipyrinylzo )-8-hydroxyquinoliine with potassiuum peulfate显示文摘 | Matat L M Mizetkaya I B Palova K | 1982 | Zh Anal Khm1982,37,12: | 3 |
| 18 | Gut Microbiota Regulates Bile Acid Metabolism by Reducing the Levels of Tauro-beta-muricholic Acid, a Naturally Occurring FXR Antagonist显示文摘 | Sama I. Sayin Annika Wahlstr?m Jenny Felin Sirkku J?ntti Hanns-Ulrich Marschall Krister Bamberg Bo Angelin Tuulia Hy?tyl?inen Matej Ore?i? Fredrik B?ckhed | 2013 | Cell Metabolism2013,,2: | 3 |
| 19 | Sensory quality of meat from eight different types of cattle in relation with their biochemical characteristics显示文摘The present study compared eight breeds of cattle differing in gender(heifers, bulls and steers) to determine associations between muscle characteristics and meat sensory qualities of the Longissimus thoracis muscle. Animal types differed in all the muscle characteristics and sensory qualities. Many correlations among muscle characteristics and among sensory qualities were consistent for most animal types. Isocitrate dehydrogenase(ICDH) activities allowed discrimination of muscles with respect to myosin heavy chain(My HC)-I proportions for all animal types. Lactate dehydrogenase(LDH) and phosphofructokinase(PFK) activities were positively correlated for most animal types. Overall liking was correlated with beef flavour and abnormal flavour in all animal types and with global tenderness for all animal types except for Charolais cross breed steers. For all animal types except for Angus×Friesian heifers, beef flavour and abnormal flavour were negatively correlated. Overall liking was not correlated with juiciness. PFK, ICDH and citrate synthase(CS) activities were strongly associated with tenderness, beef flavour and overall liking when average values for all animal types were used. However, associations between muscle characteristics and sensory qualities within animal types were weak and inconsistent. | M Gagaoua E M C Terlouw D Micol J-F Hocquette A P Moloney K Nuernberg D Bauchart A Boudjellal N D Scollan R I Richardson B Picard | 2016 | Journal of Integrative Agriculture2016,15,7: | 3 |
| 20 | 不同单色光照饲养条件下肉鸡生长性能和肉品质特性的研究显示文摘试验选用480只罗斯母肉仔鸡,研究其在不同单色光照饲养条件下腿肌和胸肌的品质特性。鸡孵化后,随机分为3个光照组,对照组:微型白炽灯光照;G-B光照组:先由绿色单色光照3周,后为蓝色单色光照3周;G-GB混合光照组:先由绿色单色光照3周,后为蓝色单色光+绿色单色光照3周。试验结果表明,G-B光照组和G-GB混合光照组肉鸡的耗料量、体重和总肌重显著高于对照组;与G-B光照组和G-GB混合光照组相比,对照组肉鸡的胸肌和腿肌有较低的pH和持水性能,但是有较高滴水损失;与其他两组相比,G-GB混合光照组肉鸡的肌肉组织更为松软。本试验证明了G-B光照和G-GB混合光照的饲养条件可以改善母肉鸡肌体和肌肉的生长性能及其肉品质特性。 | Karakaya M ParlatS S Yilmaz M T Yildirim I Ozalp B | 2009 | 饲料博览2009,,7: | 3 |