共查询到19条相似文献,搜索用时 62 毫秒
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路光 《中国兽医寄生虫病》1994,2(4):28-32
巢湖地区家鸭球虫种类调查路光(安徽省含山县畜牧兽医站)鸭球虫的种类很多,国外报道的鸭球虫已达二十多种。国内左仰贤[1][4]、林昆华[2]、符敖齐[3]、分别报道了广州、北京、扬州、云南等地的鸭球虫。鸭球虫病给养鸭生产造成的损失巨大,巢湖地区是我国的... 相似文献
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扬州市郊家鸭球虫种类初步调查 总被引:4,自引:0,他引:4
作者对扬州市郊邗江和江都两县的十五个鸭场22个鸭群7000多只高邮麻鸭和少量的北京鸭以群体采样法作了球虫种类调查,经卵囊分离培养初步鉴定有1科4属15种球虫,艾美尔科Eimeriidae艾美尔属Eimeria 8种,即:巴氏艾美尔球虫E. battakhi,克氏艾美尔球虫E. krylovi,秋沙鸭艾美尔球虫E. nyroca,萨塔姆艾美尔球虫E. saltamae,绒鸭艾美尔球虫E. somateriae,牛头艾美尔球虫E. bucephalae,沙赫达艾美尔球虫E.schachdagica,黑雁艾美尔球虫E. brantae;温扬属Wenyoneila 3种,即:菲莱氏温扬球虫W. philiplevinei,盖氏温扬球虫W. gagri,裴氏温扬球虫W. pellerdyi;太泽属Tgzzeria 2种,即:毁灭太泽球虫T. pernieiosa,棉凫太泽球虫T. chenicusae,等孢属IsosPora 2种,即:鸳鸯等孢球虫I. mandari,拉氏等孢球虫I. lacuzei。克氏艾美尔球虫,绒鸭艾美尔球虫,牛头艾美尔球虫,裴氏温扬球虫和棉凫太泽球虫五种为国内初次报道。经统计鸭群的球虫阳性率为90.9%(20/22),高邮麻鸭的球虫阳性率为91.7%,北京鸭为90.9%,幼鸭球虫阳性率为100%,成年鸭为84.6%。鸭群中菲莱氏温扬球虫的检出率最高,达72.7%,其次是巴氏艾美尔球虫,达45.5%。 相似文献
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为初步了解上海地区家鸭的球虫种类,本试验从上海市郊8个鸭场采集鸭粪便,实验室离心、分离球虫后,经2.5%重铬酸钾溶液培养至孢子化.用带SPOT拍摄系统的显微镜观察、拍摄孢子化卵囊,记录其大小、面积以及卵囊内部结构,并对照文献进行种类初步鉴定.鉴定结果显示,上海地区家鸭的球虫有3属10种,即艾美耳属(Eimeria)6种、温扬属(Wenyonella)3种、等孢属(Isospora)1种.本调查结果为有效防治鸭球虫病提供了基础资料. 相似文献
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为了解上海市山羊体内球虫种类及感染情况,采用卵囊培养法和粪便漂浮法,对上海市临港地区120份山羊新鲜粪便进行球虫检查。结果显示:山羊球虫的感染率为80%;经鉴定在山羊粪便中发现8种艾美耳球虫,分别是克氏艾美耳球虫(E.christenseni)、阿普艾美耳球虫(E.apsherenica)、尼柯雅艾美耳球虫(E.ninakohlyakimovae)、约奇艾美耳球虫(E.jolchijevi)、家山羊艾美耳球虫(E.hirci)、艾丽艾美耳球虫(E.alijeri)、山羊艾美耳球虫(E.caprina)和阿氏艾美耳球虫(E.arloingi)。在2~6月龄山羊的肠内容物中发现大量的克氏艾美耳球虫和山羊艾美耳球虫,说明这2种球虫是上海市临港地区山羊的优势虫种。 相似文献
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《中国兽医杂志》2017,(9)
为了解西藏谢通门县山羊球虫的感染情况,采用饱和蔗糖溶液漂浮法,对该地区采集的260份山羊新鲜粪便样品进行了显微镜检查,并对球虫种类进行了形态学鉴定。结果:该地区山羊球虫总感染率为81.15%(211/260),共感染12种山羊艾美耳球虫(Eimeria),其中艾丽艾美耳球虫(E.alijevi)和苍白艾美耳球虫(E.pallida)的感染率分别为52.7%(137/260)和50.8%(132/260),为优势虫种。山羊感染球虫多呈混合感染,混合感染率为61.7%(129/209),并首次在西藏地区发现了斑点、柯察、苍白艾美耳球虫。依据本次调查山羊球虫的结果和艾美耳球虫孢子化卵囊特征,制订了山羊球虫检索表。结论:西藏谢通门县山羊球虫的感染情况较为严重,建议积极做好防控措施,减少球虫感染。 相似文献
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江西家鸭球虫种类的研究刘石泉,余炉善(江西农业大学畜牧兽医学院)鸭球虫病是引起雏鸭大批死亡的重要原虫病。在国外,Allen氏1936年在美国首次对球虫的种类作过分类的研究。我国最早于1982年报道了发生在北京市郊区几个鸭场的鸭球虫病,据殷佩云等叙述,... 相似文献
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皖西白鹅球虫种类及感染情况调查 总被引:2,自引:0,他引:2
采用传统的卵囊形态学方法,结合球虫寄生部位,对皖西白鹅球虫的感染率和种类进行了调查和鉴定。共查48个粪样,球虫阳性48份,阳性率100%。共检到1科2属6种球虫,其中艾美耳属(Eimeria)5种,即鹅艾美耳球虫(E.anseris)、棕黄艾美耳球虫(E.fulva)、赫曼艾美耳球虫(E.hermani)、有害艾美耳球虫(E.novcens)和多斑艾美耳球虫(E.stigmosa);泰泽属(Tyzzeria)1种,即稍小泰泽球虫(T.parvula)。稍小泰泽球虫检出率最高(100%),其次是赫曼艾美耳球虫(50.0%),为本次调查的优势种。 相似文献
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旨在从mtDNA水平探讨我国家鸭的遗传多样性及家鸭与野鸭间的亲缘关系.运用DNA测序方法,测定了不同地域、水域和表型性状的9种家鸭(北京鸭、高邮鸭、巢湖鸭、绍兴鸭、连城白鸭、吉安红毛鸭、文登黑鸭、云南麻鸭、建昌鸭)80个个体、4种媒鸭(西湖野鸭、钱江野鸭、枞阳媒鸭、媒头鸭)26个个体和斑嘴鸭8个个体,共计114个个体的mtDNA D-loop区667 bp序列.9种家鸭单倍型多样度和核苷酸多样度分别为0.250 00~0.607 14和0.000 38~0.001 18;9种家鸭、媒鸭、绿头鸭和斑嘴鸭之间的遗传距离为0.001~0.015;39种单倍型系统发生树和单倍型网络关系图表明,9种家鸭主要属于A1亚簇(绿头鸭单倍型簇).我国家鸭遗传多样性中等丰富,母系起源主要是绿头鸭,极少量个体含有斑嘴鸭血统. 相似文献
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Coccidia were detected in the faeces of 556 out of 592 sheep (93.9%) in sheep in Kars province. The prevalence of coccidiosis was significantly higher (p>0.01) in young (97.9%) and immature sheep (96.6%) than in adult sheep (90.2%). Mixed infections were widespread (71.5%). Ten species of Eimeria were recognized. These species (and their prevalences) were: Eimeria ovinoidalis (47.7%), E. bakuensis (E. ovina) (46.6%), E. parva (37.1%), E. granulosa (27.7%), E. ahsata (23.4%), E. pallida (23.2%), E. faurei (15.1%), E. intricata (13.9%), E. crandallis (13.7%) and E. punctata (2.3%). Eimeria punctata is reported in sheep from Turkey for the first time. The mean oocyst count from infected animals was 3451±409 opg (range 50–117 600). The mean was higher (9529±502) in young sheep. Differences in the counts from young, immature and adult sheep were statistically significant (p>0.01). However, no clinical cases of coccidiosis were encountered. 相似文献
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通过对江淮流域9个家鸭品种106个样本的线粒体D-loop区的序列分析,探讨了各品种体现在该特征的遗传多样性的现代分布格局及其地理演化过程。对检测出的31个单倍型的分析表明:长江中游地区的家鸭品种遗传多样性高于东部地区的家鸭品种。品种之间基因流同地理距离之间呈弱负相关。歧点分布分析和Tajima's D值中性检验符合中性突变,提示江淮流域鸭在过去没有出现群体扩张,群体大小稳定。各单倍型在最大简约树中的分布和实际地理分布无显著关系,各地理单元的单倍型都相互散布在不同的分布群中,呈现一种混杂的分布格局。 相似文献
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Seven Vibrio-like field strains of German origin were isolated culturally from diseased domesticated ducks, muscovy ducks and geese, and were compared with reference strains NCTC 8443 (type strain) and NCTC 11170 of Vibrio metschnicovii using classical phenotypic and chemotaxonomic tests. Some V. cholerae strains were included in the chemotaxonomic tests for comparative purposes. On the basis of the classical phenotypic characteristics studied and the numerical analysis of the whole-cell fatty acid patterns, the Vibrio-like field strains were identified as Vibrio metschnicovii. The identification tables and the database of the computer software of two commercial micro-identification kits (API-20 NE, ID-32 E) did not identify the field strains. Of the reference strains used, only NCTC 8443 was correctly identified by the ID-32 E software. 相似文献
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Gross Anatomy of the Pancreatic Lobes and Ducts in Six Breeds of Domestic Ducks and Six Species of Wild Ducks in China 总被引:1,自引:0,他引:1
J. W. Liu H. Evans P. Larsen D. Pan S. Z. Xu H. C. Dong X. B. Deng B. Wan T. Gi 《Anatomia, histologia, embryologia》1998,27(6):413-417
A previously unreported pancreatic duct was found by Liu (1989) in Pekin ducks. This duct has now been consistently found in six breeds of domestic ducks and six species of wild ducks in China. For purposes of Nomina Anatomica Avium it is hereby called the ‘first pancreatic duct’(Ducius pancreaticus primus) since it enters the duodenum at or near the flexure where the descending duodenum becomes the ascending duodenum. All other pancreatic ducts enter the duodenum later, closer to where it joins the jejunum. This first pancreatic duct drains the caudal extremity of the dorsal lobe of the pancreas and can be easily exteriorized for experimental purposes. Within the parenchyma of the dorsal lobe of the pancreas this duct communicates with the dorsal pancreatic duct. In the present study of the gross anatomy of the pancreatic lobes of domestic and wild Chinese ducks we describe and illustrate variations in position and number of all biliary and pancreatic ducts. 相似文献
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6个品种家鸭胰脏的比较解剖学 总被引:2,自引:0,他引:2
对6个品种中国家鸭239只(上高麻鸭39只、大余麻鸭47只、昆山麻鸭40只、樱桃谷鸭46只、绍兴鸭40只和金定鸭27只)的胰脏进行了解剖学观察,结果如下:所有鸭的胰脏均分为背侧胰叶和腹侧胰叶2个主叶以及1个小的脾胰叶。除有背侧胰管和腹侧胰管外,均存在自背侧胰叶尾端发出的第1胰管。背侧胰管和腹侧胰管的入肠形式在不同品种、性别之间存在差异。少数个体背、腹侧胰管各有2条,或者背、腹侧胰管间有吻合支。背、腹侧胰管开口于十二指肠粘膜面大乳头,第1胰管开口于十二指肠小乳头 相似文献
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目前肉鸭的主要品种是北京鸭、番鸭、骡鸭(主要在法国和中国台湾地区,用于生产肥肝)。其他品种有中国的金定鸭、绍鸭和台湾省的莱鸭以及印度的康叽卡贝尔鸭、印度跑鸭和德西鸭。越南、柬埔寨和印尼主要饲养蛋鸭。 相似文献