2009年7月份全国畜产品和饲料价格情况

<正>据对全国470个集贸市场畜禽产品和饲料价格定点监测,7月份生猪产品价格快速回升,鸡蛋价格仍下跌,生鲜乳、牛羊肉价格基本持平,玉米价格持续上涨。7月份猪粮比价5.9∶1,比6月份上涨0.2个百分点,连续三个月处在6∶1～5.5∶1的蓝色区域。     

2007年2月全国畜产品和饲料价格走势及分析

根据全国450个畜产品及饲料价格信息点调查统计,2月份畜产品及饲料价格与上月相比(以下称环比),仔猪、猪肉、家禽产品、牛羊肉、玉米价格上涨,活猪价格下跌;与去年同期相比(以下称同比),主要畜产品和饲料价格均大幅上涨。本月猪粮比价为6.09∶1,比上月回落0.28个点,连续6个月高于5.5∶1的盈亏平衡点。     

2009年5月份全国畜产品和饲料价格走势分析

<正>据农业部对全国470个集贸市场畜禽产品和饲料价格定点监测,5月份猪产品、牛羊肉和生鲜乳价格继续下降,鸡蛋、玉米价格继续上涨。5月份猪粮比价快速下降,由4月份的6.6∶1降到5.8∶1,达到6.0∶1的预警点。     

2007年11月全国畜产品和饲料价格走势及分析

根据对全国450个畜产品及饲料价格信息点调查统计,11月份生猪产品价格反弹上涨,家禽产品价格继续回调下降,牛羊肉、玉米和原料奶价格继续上涨。11月份猪粮比价8.36∶1,比上月上升0.4个点,连续15个月高于5.5∶1的盈亏平衡点。     

2007年6月全国畜产品和饲料价格走势及分析

根据对全国450个畜产品及饲料价格信息点调查统计,无论与上月相比还是与去年同期相比,6月份生猪和家禽产品、牛羊肉、玉米等价格均出现较大幅度上涨。本月猪粮比价为6.98∶1,比上月上升0.4个点,连续10个月高于5.5∶1的盈亏平衡点。     

2012年5月份全国畜产品、饲料价格情况与分析

据对全国480个集贸市场畜禽产品和饲料价格定点监测,2012年5月份生猪类产品、家禽类产品价格下降,玉米等饲料价格上涨。5月份猪粮比价为5.8∶1,比4月份减少0.3个百分点,首次跌破盈亏平衡点6.0∶1。1生猪类产品价格继续下降从全国月度平均价格看,仔猪平均价格     

2010年3月份全国畜产品、饲料价格分析

<正>据对全国471个集贸市场畜禽产品和饲料价格定点监测,2010年3月份价格与2月份相比,生猪产品价格继续下降,鸡蛋、活鸡、牛羊肉等产品价格回落,生鲜乳、玉米价格继续上涨。3月份猪粮比价5.2∶1,比2月份下降0.7个百分点,低于6.0∶1的     

2010年3月份全国畜产品、饲料价格分析

<正>据对全国471个集贸市场畜禽产品和饲料价格定点监测,2010年3月份价格与2月份相比,生猪产品价格继续下降,鸡蛋、活鸡、牛羊肉等产品价格回落,生鲜乳、玉米价格继续上涨。3月份猪粮比价5.2∶1,比2月份下降0.7个百分点,低于6.0∶1的     

全国畜产品及饲料价格走势(9月)

根据对全国450个畜产品及饲料价格信息点调查统计,9月畜产品及饲料价格与上月相比（以下称环比）,猪牛羊禽产品价格上涨,玉米等饲料原料价格下降;与去年同期相比（以下称同比）,活猪、牛羊肉、玉米价格上涨,仔猪、猪肉、家禽产品价格下降.活猪价格连续4个月回升,本月猪粮比价上升到5.52∶1,比上月上涨0.51个百分点,重新回到5.5∶1的盈亏点以上.     

发改委下调生猪生产盈亏平衡点首次采用区间设置

<正>日前,国家发展改革委、财政部、农业部、商务部发布了新版《缓解生猪市场价格周期性波动调控预案》(2015年第24号公告)。新版预案指出,国家加强对生猪等畜禽产品价格监测,采取综合调控措施,主要目标是促进猪粮比价处于绿色区域(5.5∶1~8.5∶1),防止价格出现大幅波动。预案明确,将猪粮比价5.5∶1和8.5∶1作为预警点,低于5.5∶1进入防止价格过度下跌调控区域,高于8.5∶1进入防止价格过度上涨调控区域。     

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。     

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.     

Mechanism of Action of Probiotic Function of Lactobacilli

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。 …