不同蛋白质水平饲料对蓝孔雀增重的影响

缩短集约化养殖蓝孔雀的生长周期、提高蓝孔雀的日增重、节约生产成本是蓝孔雀养殖业的需求。本实验选取仔蓝孔雀(30日龄)和育成蓝孔雀(1~2岁龄)阶段各60羽,分别随机分为5组,在相同的饲养条件下,使用不同蛋白质水平的饲料,定时定量饲喂不同组的蓝孔雀,每15 d称体重1次,直到饲喂180 d。试验结果表明仔蓝孔雀饲料蛋白质含量在19%~20%,育成蓝孔雀饲料蛋白质含量在17%,可以促进仔、育成蓝孔雀增重且可有效控制痛风病的发病率。     

不同蛋白质水平饲料对蓝孔雀痛风发病率的影响

蓝孔雀痛风病是蛋白质代谢障碍引起的高尿酸盐血症,对蓝孔雀危害较大。本试验选取仔蓝孔雀(30日龄)、育成蓝孔雀(1~2岁)和产蛋蓝孔雀每个年龄阶段各60羽,分别随机分为5组。在相同的饲养条件下,使用不同蛋白质水平的饲料,定时定量饲喂不同组的蓝孔雀,每15d检测每羽试验蓝孔雀血清中尿酸含量,直到饲喂180d。根据临床症状,结合屠宰试验,统计每组蓝孔雀的发病率和死亡率。试验结果表明仔蓝孔雀饲料蛋白质含量在19%~20%,育成蓝孔雀饲料蛋白质含量在17%时,可以有效减少蓝孔雀通风发病率。     

蓝孔雀养殖新技术

孔雀俗称凤凰,是百鸟之王.目前,我国驯养的孔雀主要有绿孔雀、蓝孔雀和白孔雀.白孔雀属杂交变异种,绿孔雀属国家一级保护动物,严禁捕杀.蓝孔雀属非保护动物,可以饲养食用.孔雀肉质鲜美,富含多种氨基酸、维生素和微量元素.而且,蛋白质含量高、脂肪低,是理想的野味珍品.孔雀饲养成本低,抗病力强,经济效益高.因此,倍受养殖者和消费者的喜爱.     

蓝孔雀的人工饲养技术

孔雀属鸟纲鸡形目雉科,我国饲养的孔雀有蓝孔雀、绿孔雀和变种的白孔雀,其中蓝孔雀数量最多,白孔雀次之,绿孔雀属于国家一级保护动物,养殖数量最少,国家禁止捕杀。中国人工饲养的蓝孔雀,肉可供食用,是典型的高蛋白、低胆固醇、低脂肪食品,具有一定的保健价值。因此,饲养蓝孔雀具有较高的经济效益和社会效益,市场前景广阔。     

孔雀饲养管理要点

孔雀属鸟纲、鸡形目、雉科,是世界上价值极高的特禽品种.我国饲养的孔雀有蓝孔雀(印度孔雀)、绿孔雀(爪哇孔雀)和变种的白孔雀.蓝孔雀数量最多,已进入商品化生产阶段,白孔雀次之,绿孔雀属于国家二级保护动物,养殖数量最少. 孔雀肉可供食用,是典型的高蛋白、低胆固醇、低脂肪食品,是高档珍贵佳肴.此外还具有一定的药用价值,能解毒,其解毒功效在穿山甲之上.饲养孔雀设备简单、饲养容易、投资少、产出多,集观赏、食用、保健为一体,前景可观.     

孔雀的饲养及繁殖技术

孔雀属鸟纲鸡形目雉科,我国饲养的孔雀有蓝孔雀、绿孔雀和变种的白孔雀,其中蓝孔雀数量最多,白孔雀次之。绿孔雀属于国家一级保护动物,养殖数量最少,国家禁止捕杀。中国人工饲养的蓝孔雀,除了供人们观赏外,其肉可供食用,是典型的高蛋白、低胆固醇、低脂肪食品,营养成分远高于一般禽类,具有一定的保健价值,而且人工饲养蓝孔雀是一项投入少、市场前景广阔的新兴养禽业。     

产业风云

特禽养殖新品种———蓝孔雀孔雀俗称凤凰,是百鸟之王,是宝贵和吉祥的象征。孔雀有绿孔雀、蓝孔雀及杂交变异种白孔雀。绿孔雀属于国家一类保护动物,严禁捕杀,主要分布在中缅边界热带雨林地区。蓝孔雀属于珍稀半草食性,非保护动物,可以饲养食用,分布在中南亚沿海地区。蓝孔雀极易人工饲养。因其是近年来从野生驯化选育出来的新品种,具有杂食性、适应性、抗病性等特点。蓝孔雀不但适宜大规模集约化饲养,也适于家庭小规模饲养。蓝孔雀全身是宝,有极高的利用价值。肉可食用,产肉多,全净膛屠宰达８０%,孔雀肉的蛋白质含量为２３．２%,脂肪为０．…     

蓝孔雀支原体和沙门菌混合感染的诊断与治疗

<正>蓝孔雀为珍稀半草食性非保护动物,允许人工饲养,集食用、观赏、药用为一体的新型特种经济禽类,已被国家林业局确定为特种畜禽养殖产业化经营项目。随着蓝孔雀养殖规模和区域的不断扩大,临床病例报道逐渐增多,2015年9月南阳市某孔雀养殖户饲养的500多只雏孔雀出现眼肿、嗜睡、死亡现象,经实验室化验确定为支原体和沙门菌混合感染。     

蓝孔雀链球菌、组织滴虫和沙门菌混合感染的诊治

<正>蓝孔雀是国家二级保护动物,其羽毛多彩绚丽,肉质鲜美,不仅具有观赏价值,也是一种很有开发前途的肉用与药用特禽,市场前景非常广阔。随着蓝孔雀养殖规模和区域的不断扩大,孔雀临床发病病例报道逐渐增多。2014年5月份,信阳市平桥区某孔雀养殖户饲养的60只成年种孔雀出现腹泻、流涎、死亡现象,经实验室诊断确定为链球菌、组织滴虫和沙门菌混合感染,现报道如下。1发病情况该养殖户共饲养成年种孔雀60只,当前正处于     

蓝孔雀组织滴虫病的诊治

2005年6月份,本县某森林公园饲养的蓝孔雀突然出现拉稀陆续死亡现象,经实验室检验,诊断为组织滴虫病.报告如下.     

商会自治的基石——商会自治规范研究

在现代法律秩序中,商会自治规范是制定法的基础和必要的补充,甚至在某些方面替代了制定法;商会自治规范主要包括商会组织规范、行为规范、惩罚规范以及争端解决规范等;其效力仅及于其内部成员;商会自治规范和制定法之间存在冲突,但也存在整合的基础。     

癸氧喹酯干混悬剂含量测定的改进

采用高效液相色谱法测定癸氧喹酯干混悬剂的含量,在2-250μg/mL范围内,峰面积的常用对数与进样量浓度的常用对数呈良好的线性关系,R^2=1(n=5),平均回收率为99.24%~99.51%,RSD在0.05%~0.28%。此方法分析时间短,样品前处理简便、定量结果准确,重现性好,结果满意,为其质量控制提供了依据。     

猪毛色遗传的研究进展

本文概述了猪的毛色类型、猪的毛色遗传模式,着重综述了猪毛色基因分子基础的研究进展,指出存在问题并就未来发展方向做了思考。     

Comparison of 2 methods of centesis of the bursa of the biceps brachii tendon of horses

REASONS FOR PERFORMING STUDY: Centesis of the bicipital bursa using an 8.9 cm long spinal needle has been reported but the alternative of employing a 3.8 cm long hypodermic needle requires validation. OBJECTIVE: To compare the efficacy of 2 different methods of centesis of the bicipital bursa and to evaluate the usefulness of ultrasonographic imaging to determine the location of solution administered when centesis of the bursa is attempted. METHODS: For Trial 1, 6 clinicians, who had no previous experience of centesis of the bicipital bursa, attempted to inject a solution composed of an aqueous radiopaque contrast medium and physiological saline solution (PSS) into the bicipital bursae of 2/12 horses using the previously described distal approach to inject one bursa and a proximal approach to inject the contralateral bursa. The bicipital tendon and bursa were examined ultrasonographically before and after injection; and both shoulders were examined radiographically to identify the location of the medium. In Trial 2, another 6 clinicians, also with no previous experience of centesis, repeated Trial 1, using 6 horses, but the radiopaque contrast medium was mixed with air instead of PSS. RESULTS: Accuracy of centesis using the proximal approach was 39% and that of the distal approach 28%. Ultrasonographic examination of the shoulder allowed the location of solution and air to be accurately predicted in all 12 shoulders examined. CONCLUSIONS: Clinicians who have had no previous experience performing centesis of the bicipital bursa are unlikely to be successful in centesis using either approach. Radiographic examination after injecting a radiopaque contrast medium may be necessary to assess the success of centesis especially if bursal fluid is not obtained during centesis. Injecting air along with the radiopaque contrast medium provides more accurate ultrasonographic confirmation of centesis and better radiographic definition than does injection without air.     

不同样本商品蜂蜜中硒含量的测定

用硝酸和高氯酸消化蜂蜜,使硒游离出来,在微酸性环境下,硒和2,3-二氨基萘(DAN)生成有较强荧光的物质,用环己烷萃取,在激发波长378nm,荧光波长518nm处测定其荧光强度。蜂蜜中硒含量范围:0.10～0.82μg/g。表明:蜂蜜应视为天然富硒营养品。     

乳酸杆菌益生作用机制的研究进展

乳酸杆菌作为益生菌广泛用于人和动物。本文综述了乳酸杆菌改善宿主健康的机制。乳酸杆菌可通过产生抗菌物质如乳酸、过氧化氢、细菌素,或者通过竞争营养或肠道黏附位点来抑制致病菌;通过诱导黏附素的分泌或阻止细胞凋亡而增强肠道的屏障功能,从而保护肠道。文章重点讨论了乳酸杆菌表面成分（表面蛋白、脂磷壁酸和肽聚糖）与肠道受体（Ｃ型凝集素受体、Ｔｏｌｌ样受体和 Ｎｏｄ样受体）,阐述了他们结合后启动免疫调节信号,调控肠道免疫功能以发挥改善健康作用的机制。     

中华人民共和国农业部公告 第267号

为贯彻落实《兽药生产质量管理规范》(简称《兽药GMP》),进一步推动兽药GMP实施进程,我部制定了《兽药生产质量管理规范检查验收办法》,现予公告。本公告自2003年6月1日起施行。附件:兽药生产质量管理规范检查验收办法二○○三年四月十日第一章 总则 第一条 为推动《兽药生产质量管理规范》(以下简称兽药GMP)的实施,规范兽药GMP检查验收工作,制定本办法。 第二条 农业部负责全国兽药GMP管理和检查验收工作;负责制修订兽药GMP检查验收管理规定;负责兽药GMP检查员队伍建设和监督管理工作,负责国际兽药贸易中GMP互认工作。 …     

鸡败血支原体垂直传播模式及其阻断方法

以国际标准强毒Ｒ株人工感染非免疫产蛋鸡,定时扑杀,分别从鼻窦、眶下孔、气管、肺、气囊、卵巢和输卵管分离ＭＧ,并收集感染鸡所产蛋分离ＭＧ。结果表明,人工感染４８小时后上、下呼吸道及肺已被全面感染,９６小时气囊已被感染,１２０小时输卵管已能分离到ＭＧ,卵巢始终分离不到ＭＧ。人工感染鸡自１４４小时便能在其所产蛋中分离出ＭＧ。药物治疗能在７２小时内消除感染,油乳剂苗则需２４天后逐渐降低蛋内ＭＧ分离率,药物卵内注射、种蛋药浴、高温处理均能杀死卵内ＭＧ,但以研制的种蛋浸泡剂药浴效果为最好。     

Effects of size of ingestively masticated fragments of plant tissues on kinetics of digestion of NDF

Ingestively masticated fragments were collected and sized via sieving. Different sizes of esophageal masticate and ruminal digesta fragments, and ground fragments of larger masticated pieces were incubated in vitro, and undigested NDF remaining at intervals of up to 168 h of incubation was determined. The ruminal age-dependent time delay (tau) for onset of digestion of NDF was positively correlated (P < 0.004) with the mean sieve aperture estimated to retain 50% of the fragments between successive sieve apertures (MRA). Degradation rate of potentially degradable NDF (PDF) and level of indigestible NDF were not related (P > 0.10) to MRA of masticated and ground fragments. Estimates of tau were positively related to MRA, with slopes of bermudagrass < corn silage < ruminal fragments of corn silage. It was concluded that fragment size-, and consequently, ruminal age-dependent onset of PDF degradation of a mixture of different fragment sizes results in an age-dependent rate of degradation of the more rapidly degrading of two subentities of PDF. Models are proposed that assume a tau before onset of simultaneous degradation of PDF from two pools characterized as having gamma-modeled age-dependency and age-constant rates. The ruminal age-dependent pool seems to be associated with the faster-degrading pool, and its rate parameter increases with range in MRA in the population of fragments. Conceptually, the ruminal age-dependent rate parameter for PDF degradation seems to represent a composite of several effects: 1) effects of the size-dependent tau; 2) range in MRA of the population of ingestively masticated fragments; and 3) subentities of PDF that degrade via more rapid age-dependent rates compared with subentities of PDF that degrade via age-constant rates. The estimated fractional rates of ruminative comminution of ingestively masticated fragments (0.060 to 0.075/h) were of a magnitude similar to the mean fractional rates of PDF digestion (0.030 to 0.085/h), which implies that ruminative comminution may be first-limiting to fractional rate of PDF digestion. The in vivo roles of ingestive and ruminative mastication of fragments on PDF degradation must be considered in any kinetic system for estimating PDF digestion in the rumen. These results and others in the literature suggest that the rate of surface area exposure rather than intrinsic chemical attributes of PDF may be first-limiting to degradation rate of PDF in vivo.