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20 天
鸡白痢的危害与净化
鸡白痢是由鸡白痢沙门氏菌感染引起的一 种急性或慢性经过的细菌性传染病,即可通过种蛋孵化垂直传播给雏鸡引起发病,也可通过个体之间接触病死鸡及其排泄物、污染物等途径引起水平传播。鸡白痢主要侵害3周龄以内的幼雏鸡,引起急性败血症,造成较高 ...
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26 天
预防仔猪黄白痢,要从养好母猪抓起
仔猪黄白痢是猪场非常常见的临床症状,产床仔猪一旦发生,轻者影响预后生长不良,重者出现死亡损失,而且日龄越小 ...
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Advance to World Series
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G7 ministers back Ukraine
NK sending troops to RU?
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Frozen waffles recalled
Postpones US tour
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Calif. oil refinery closure
US deficit reaches $1.8T
Republicans appeal ruling
Probes near miss in Austin
Rock & Roll HOF '24 class
Philip Zimbardo dies at 91
Launches OneWeb mission
Hurricane Oscar forms
Antitrust ruling delayed
At decade-high level
MS after game shooting
Emergency abortion ruling
NYC Halloween dog parade
School shooting report
ISR strikes northern Gaza
Ferry dock collapses in GA
To furlough 700 workers
US probing documents leak
NC breaks turnout record
Orionids meteor shower
Ex-MN congressman dies
Oakland fire burns homes
Opioid suits settlement deal
CVS workers strike
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