皖南的白颈长尾雉

白颈长尾雉(Syrmaticusellioti)是一种珍稀的雉类。体形似雉,尾羽甚长,羽衣华丽,颈项具一白色羽圈,故称白颈长尾雉,为我国特产雉类,已被列为国家第一类保护动物。此鸟数量稀少,分布范围较狭小,由于长期盲目猎捕,     

收捕获取野生中蜂的方法

收捕野生中蜂是农村家庭饲养中蜂的一项重要技能。收捕获取野生中蜂就是应用中蜂的生活习性,在掌握中蜂营巢、迁飞等习性后,利用诱捕法和猎捕法获取野生中蜂。叙述了山区诱捕和猎捕野生中蜂的方法。诱捕法是利用蜜蜂营巢习性,让蜜蜂主动投入的方法。有传统的蜂箱、蜂桶诱捕法和挖诱蜂洞诱捕法。猎捕法是养蜂人在了解蜜蜂营巢和采集行为等生活习性后,主动寻找野生中蜂的方法。有直接搜捕猎捕法、观察蜜蜂行为猎捕法、诱导蜜蜂行为猎捕法和拴线跟踪猎捕法。     

雉类生存现状及其保护

雉类隶属于鸡形目雉科，主要分布在亚洲，尤其东南亚地区是世界上雉类资源最丰富的地区。全世界雉类共16属51种。大多数雉类体型较大、羽色艳丽，野生雉类是人类早期主要的狩猎对象，同时也是现代家禽的祖先之一。作为生态系统的一个成员，雉类在维持生态系统稳定和生物多样性保育等方面发挥着重要的作用，其生存状况在一定程度上可以作为反映当地森林类型、质量和保护状况的有效指标。然而，由于人类对生物圈造成了一定程度的破坏，     

绿尾虹雉的求偶行为

绿尾虹雉 (Lophophorus Ihuysii) 属珍稀雉类,仅分布于我国青海、四川、甘肃等省的部分狭窄地区,生活在海拔4000—5000米的高山草甸之中。数量稀少,被列入《濒危野生动植物种国际贸易公约》,是国家一类保护动物。北京动物园自1955年开始饲养绿尾虹雉,1972年首次在人工饲养条件下产卵,1975年孵出雏鸟,并于1980年在世界上首次繁育成功。我们从1983年起,在郑作新教授主持的“中国特产濒危雉类生态生物学研究”中承担了“笼养雉类生物学研究”项目,对多种雉类的求偶行为进行了观察。就其求偶炫耀     

黄腹角雉在井冈山的分布

黄腹角雉(Tragopan caboti)是我国特产的珍稀濒危雉类。在由我国鸟类学家郑作新教授组织的“中国珍稀濒危雉类生态生物学研究”中,黄腹角雉是一个主要研究对象。为推动我国濒危雉类的研究工作,现将我省发现黄腹角雉及其调查情况报道如下,供有关方面参考。据《中国鸟类分布名录》(郑作新1976年)及其他文献记载,黄腹角雉仅见于福建、广东、湖南、广西等省区的少数地区。江西省自1981年起,多次在井冈山得到黄腹角雉实体。1982年捕三只活体     

彩雉3种线虫混合感

１９９８年１月２０日，１只正处于检疫期的雌性成年彩雉因病死亡。尸体剖检时，发现在其消化道内同时有３种线虫寄生，分别为毛细线虫，异刺线虫和长鼻分咽线虫，现简介如下。１临诊症状此只彩雉同另外４只于１９９７年底到达动物中心，之后不久即表现精神不振，食欲不佳...     

让白颈长尾雉回家

２００１年４月 １２日，宁波市林业局会同宁波市动物园，在奉化市斑竹生态林保护区，把人工繁殖的８只白颈长尾雉放归自然。 白颈长尾雉属鸡形目雉科，留鸟，多栖息于海拔３００～５００米的低山地区，少数分布至海拔１０００米以上。生境多样。多见于阔叶林和针阔混交林之中。由于受人类活动的严重影响，白颈长尾雉的栖息地环境不断恶化，分布区域逐步缩小；种群数量急剧减少，在自然养数量十分稀少，已被列为世界濒危物种和国家一级保护动物。 宁波市动物园自８０年代开始，把白颈长尾雉的人工繁殖作为一项重要的工作来抓，每年拨出专项…     

江西宜丰发现千只濒危野生鸟类"野山鸡"

由中科院、浙江大学、北京师范大学以及江西省野生动植物研究学者组成的专家组，日前经过对江西省宜丰县的官山自然保护区内的“野山鸡”——野生白颈长尾雉进行长达两年的跟踪考察后确认，这里是目前已知的中国最大白颈长尾雉种群分布地区，存活有1000多只野生白颈长尾雉。专家组成员之一，中国著名鸟类专家、浙江大学生命科学学院博士生导师丁平教授告诉记者，野生白颈长尾雉又俗称“野山鸡”，     

动物的悲哀?人类的悲哀?──“南方二号”行动警示录

２０００年４月２８日，震撼南方数省区的“南方二号”行动在云南省暂告一段落。在这场长达近百天的战斗中，保山地区林业公安结合全区实际情况，把非法猎捕、非法走私、非法贩运野生动物及其产品的违法行为作为打击重点。采取主动出击、清理整顿、布设耳目、设关堵卡的行动策略，出动警力７２６人次，一举破获各类破坏野生动物资源的案件５５起，共捕获４２人。在“南方二号”行动中，全区共查获国家一级保护动物活体５只、象皮１．４公斤、孔雀翎１５０００羽；国家或国际二级保护动物活体２２００多只（条）、穿山甲片２７０公斤、蛇１０…     

牡丹江周边雉类种群数量调查

为了更好地掌握牡丹江周边地区雉类资源,有针对性地加以保护与合理利用,2007年7月-2009年11月对牡丹江周边的雉类种群密度进行了调查,主要采用固定路线踏查法和定点样方法等形式进行了详细的调查,共记录雉类4种,雉鸡(Phasianus colchicus)为优势种,占全部雉类总数量的46.2%.平均密度为1.8 R/km2,鹌鹑(Coturnix coturnix)为稀少,仅占9.231%.调查发现雉类分布与生境关系非常密切,夏季在草原和草甸低矮灌木为主的环境中雉类数量较大,秋冬季生境主要与食物条件有关.人类活动也是造成分布差异的一个主要原因.     

电感耦合等离子-质谱法测定饲料中钠、镁、铬、锰、铁、铜、锌、砷、硒、镉和铅

应用电感耦合等离子-质谱技术(ICP-MS),建立饲料中钠、镁、铬、锰、铁、铜、锌、砷、硒、镉和铅等元素的测定方法。对饲料样品的前处理方法、仪器工作参数和11种元素标准曲线进行优化;并以加标回收、分析方法比对和重复测试说明方法的准确性和精密性。方法在0～1 000 ng/ml范围内线性良好,仪器检出限为0.557 7～5.072 ng/ml,具有良好的精密度,其回收率在88.1%～104.4%之间,相对标准偏差小于5.0%。同时与原子吸收和原子荧光方法进行比对,测定结果相近。所建立的方法简单、快速,可替代原子吸收和原子荧光方法测定饲料中的11种金属元素,为饲料的质量控制提供理想的元素分析方法。     

Supplementation of broodmares with copper, zinc, iron, manganese, cobalt, iodine, and selenium

In experiment 1, 6 pregnant mares received a concentrate that contained a trace mineral premix that provided 14.3 mg Cu, 40 mg Zn, 28 mg Fe, 28 mg Mn, 0.08 mg Co, 0.16 mg I, and 0.16 mg Se/kg concentrate (group A). Seven mares received the same concentrate plus 502 mg Zn and 127 mg Cu once daily (group B). No differences (P > .05) in foal growth data, or Cu, Zn, and Fe concentrations of mare milk, mare serum, or foal serum were observed. In experiment 2, 6 pregnant mares received the same concentrate as group A (group C), and 8 mares received the same concentrate fortified with 4× the trace mineral premix (group D). Group C mares had higher serum Zn concentration at 1 day (P < 0.01) and 56 days (P < 0.04). Group C mares had higher milk Fe concentration at 28 days (P < .01), and group D mares had higher milk Cu concentration at 56 days (P < .01). Group C foals had higher serum Cu concentration at 14 days (P < .03). The results from this study provide no evidence to indicate that supplementing late gestating and lactating mares with higher dietary trace mineral levels than those recommended currently by NRC has any influence on foal growth and development, or on the Cu, Zn, and Fe concentrations of the mare milk, mare serum, or foal serum.     

Comparisons of Angus, Charolais, Galloway, Hereford, Longhorn, Nellore, Piedmontese, Salers, and Shorthorn breeds for weight, weight adjusted for condition score, height, and condition score of cows

Breed differences for weight (CW), height (CH), and condition score (CS) were estimated from records (n = 12,188) of 2- to 6-yr-old cows (n = 744) from Cycle IV of the U.S. Meat Animal Research Center's Germplasm Evaluation (GPE) Program. Cows were produced from mating Angus and Hereford dams to Angus, Hereford, Charolais, Shorthorn, Galloway, Longhorn, Nellore, Piedmontese, and Salers sires. Samples of Angus and Hereford sires were 1) reference sires born from 1962 through 1970 and 2) 1980s sires born in 1980 through 1987. The mixed model included cow age, season of measurement and their interactions, year of birth, pregnancy-lactation code (PL), and breedgroup as fixed effects for CW and CS. Analyses of weight adjusted for condition score included CS as a linear covariate. The model for CH excluded PL. Random effects were additive genetic and permanent environmental effects associated with the cow. Differences among breed groups were significant (P < 0.05) for all traits and were maintained through maturity with few interchanges in ranking. The order of F1 cows for weight was as follows: Charolais (506 to 635 kg for different ages), Shorthorn and Salers, reciprocal Hereford-Angus (HA) with 1980s sires, Nellore, HA with reference sires, Galloway, Piedmontese, and Longhorn (412 to 525 kg for different ages). Order for height was as follows: Nellore (136 to 140 cm), Charolais, Shorthorn, Salers, HA with 1980s sires, Piedmontese, Longhorn, Galloway and HA with reference sires (126 to 128 cm). Hereford and Angus cows with reference sires were generally lighter than those with 1980s sires. In general, breed differences for height followed those for weight except that F1 Nellore cows were tallest, which may in part be due to Bos taurus-Bos indicus heterosis for size.     

液相色谱-串联质谱法测定动物尿液中11种β-受体激动剂残留量的不确定度评估

采用液相色谱-串联质谱法测定动物尿液中11种β-受体激动剂残留量,对标准溶液、体积、质谱峰面积、浓缩过程及回收率等测定不确定度因素进行了分析,通过评定各不确定度分量及标准不确定度,得出11种β-受体激动剂的扩展不确定度在0.7 ～ 1.1 ng/mL范围内.由各因素对合成不确定度的贡献比分析可知,影响较大的因素为试验回收率及标准溶液浓度.     

Granulocyte isolation from whole blood of goat, sheep, cattle, horse, dog, pig, and man

A simple two step procedure for the isolation of caprine, ovine, bovine, equine, canine, porcine and human peripheral blood granulocytes is described. After enrichment of granulocytes by centrifugation, contaminating erythrocytes are lysed hypotonically. Recovery, purity, and viability of the granulocyte suspensions are determined. FACScan analysis of the cell suspensions measuring cellular size by forward and sideward light scatter is compared with the corresponding analysis of whole blood leukocytes. Constituencies of the isolated cell suspensions and loss of granulocyte subpopulations through isolation procedure is discussed with regard to granulocyte function assays.