仔猪渗出性皮炎防治措施

来源 :山东畜牧兽医 | 被引量 : 0次 | 上传用户:harryleexxx
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
仔猪渗出性皮炎是由葡萄球菌所致的一种仔猪的高度接触性皮肤疾病。多发生于哺乳仔猪,10~20日龄尤为常见,若不及时治疗死亡率超过50%。1感染途径:(1)破裂和损伤的皮肤黏膜。(2)剪牙、断尾、去势消毒不严引起感染。(3)初生仔猪皮肤不结实是最常见的因素。(4)体外寄生虫螨虫感染
其他文献
目前,随着畜牧业生产不断壮大发展,苏家店镇的肉食鸡养殖规模也不断随之扩大,肉食鸡养殖数量呈上升趋势。但是,许多肉鸡养殖场在养殖过程中,碰到了各种各样的问题,尤其是许多刚刚起
鸡葡萄球菌病是由金黄色葡萄球菌或其他葡萄球菌引起的鸡的一种传染病的总称。鸡球虫病是集约化养鸡业最为多发、危害严重且防治困难的疾病之一,是对鸡危害最严重的寄生虫病
The MeV proton non- Rutherford elastic backscattering (PEBS) has been used to measure a variety of low Z element- containing samples including thick SiC film, N
Measurement of nitrogen in small live animals (Weighing about 3 kg) can be used to determine the whole- body protein in the animals. Nitrogen may be measured by I
Energy straggling for fast proton beams in Ni, Al, Ti, Cu, In and Sb solids and N, O, F, B, S, Cl and air gases were calculated using an effective IPM potential
The structure of Fe-M ultrafine particle catalysts was investigated by in situ Mossbauer spectroscopy. Emphasis has particularly been put on the effect of the s
The solid state solutions of europium transition element oxides Eu (Fe0.8M0.2)O3 (M=Sc, Cr, Mn, Co) are synthesized. The X-ray diffraction of the compound shows
通过湿渣法测定了水中NH4Cl和NaCl的溶解度数据,同时研究了三元水盐体系NaCl-NH4Cl-H2O在25℃时的固液相平衡关系。采用Pitzer模型计算了该三元水盐体系相平衡溶解度,比较了
The syntheses of N-Methyl-14C benzyl amine and N-Methyl-14C benzyl nitrosamine are reported. Specific activities were approximately 920 MBq/mmol. Chemical and r
本研究利用PRRSV、CSFV、PCV-2、PRV4种引物,应用PCR或RT-PCR方法对4头病死猪进行了分子生物学诊断,结果显示4头猪PRRSV及PCV-2均显示阳性,PRV及CSFV未检出。应用针对检测高致病