Its high effectiveness to acarid but lower toxity to rodent contributed to good crop harvest.

三氯殺螨醇對(duì)嚙齒動(dòng)物的毒性較低，殺螨效果好，促進(jìn)了農(nóng)作物的豐收。

Objective Investigation was precced in rodent's Yesinia in plague focus and non-plague focus fo Guangdong,to understand the circumstance that the distrbution of Yersinla,and whether the restrained phenomenon of yersinia was existed. Meth-ods IHA and RIP was used for surveying the particular FI Ab of yersinia pestis.Yersinia pestis were surveyed by plague culture me-dia.The contents of ileocecal part,the liver,the spleen and the tongue of rodent's were put into PBS that were propagated（4℃）for3weeks,then the above PBS liquid was smeared on selective culture media to sarvey yersina enterocolitica and Yersina pseudotuberculosis etc.

目的 了解廣東省鼠疫疫源地和非鼠疫疫源地鼠類耶爾森氏菌的分布和相互抑制的情況方法分別采用間接血球凝集試驗(yàn)992tv国产精品、放射免疫沉淀試驗(yàn)進(jìn)行鼠疫耶爾森氏菌特異性F1抗體檢測(cè)，并分別對(duì)鼠類回盲部?jī)?nèi)容物和肝国产精品无码一级二级三级、脾国产美女插逼视频、舌進(jìn)行冷增菌后，以選擇培養(yǎng)基分離国产丝袜足交在线。

There are many factors to affect the surveillance of rodent such as the repellence of rodent to new substance, the lure of baits, the abundance of food, the sensitivity of surveillance facility and the layout of surveillance sites.

影響鼠密度監(jiān)測(cè)結(jié)果的因素較多一级特黄色网站，可以分為以下幾類：(1)監(jiān)測(cè)器具對(duì)鼠的新物排斥反應(yīng)；(2)食餌對(duì)鼠群的引誘力99人妻视频；(3)環(huán)境中食物的豐富度欧洲熟女另类；(4)監(jiān)測(cè)器具的靈敏度；(5)監(jiān)測(cè)點(diǎn)的位置一级毛片不卡免费免费观看，另外還有些干擾因子久久综合九九。

Objective To investigate the rodent infestation in rice field in Daqing and to observe the rodent control effect by rodenticide.

目的了解大慶市稻田的害鼠種類、密度及活動(dòng)高峰期欧美国产精选，鼠害發(fā)生面積及觀察敵鼠隆和溴敵隆在我市稻區(qū)的防制效果国内品精久久久久久久国产。

Odors of carnivore can affect rodents in three ways:(1) to depress behavior such as activity level and feeding of rodents, especially in herbivore, to reduce rodent pest;(2) to attract conspecific to increase the predation on rodents;(3) to inhibit rodent's reproduction.

食肉類的尿在线视频福利第一网，糞便91三级片在线视频观看，肛腺分泌物等從三個(gè)方面影響嚙齒類：(1)抑制嚙齒類的取食，引起回避反應(yīng)等婷婷五月天,丁香，尤其對(duì)植食性的嚙齒類影響大一级黄色视频高潮，從而減少危害；(2)吸引同種食肉類動(dòng)物泰州毛片，增加對(duì)嚙齒類的捕食強(qiáng)度亚洲,日韩,欧美小说视频；(3)抑制嚙齒類的生殖生理，從而減少嚙齒類的繁殖數(shù)量精品欧美色视频网站在线观看。

Gansu Zokor is a special rodent living in loess plateau of China, which leads a solitary fossorial rodent inhabiting in its own tunnel system all its life.

甘肅鼢鼠為我國(guó)黃土高原地區(qū)特有地下鼠人人插人人做人人干，嚴(yán)格營(yíng)地下生活，屬嚴(yán)格植食性動(dòng)物另类亚洲欧美专区第一页，是研究地下嚙齒類鈣磷代謝的理想模式動(dòng)物五月丁香激情久久。

Take advantage of local natural and manpower resource, Sundog Pet begin from a factory which make Garden Products, Bird Nest/House, Rodent Nest/House.

利用工廠當(dāng)?shù)氐锰飒?dú)厚的自然條件和人力資源，森度從生產(chǎn)花園用品亚洲国产欧美日韩欧美2016，Bird Nest/House免费黄色视频应用， Rodent Nest/House用品的工廠起步黄色页一级在线观看，經(jīng)過團(tuán)隊(duì)多年的努力，產(chǎn)品逐步擴(kuò)大到兔屋亚洲二级激情aaaa片，狗屋精品163黄色录像，寵物籠，寵物床99r在线精品视频播放，寵物包等綜合寵物用品領(lǐng)域欧美视频在线观看免费电影。

Functions in rodent reproduction behavior were discussed, difference between functions of vomeronasal system and main olfactory system in rodent behaviors were compared in this paper.

通過對(duì)犁鼻器在鼠類繁殖行為中的功能研究，并將其與主要嗅覺系統(tǒng)的功能進(jìn)行比較美国黄片一级A片，發(fā)現(xiàn)雖然犁鼻器是一個(gè)微小的欧美一级作爱牲交片免费观看、而且常常是被人們所忽視并有爭(zhēng)論的器官，但它在鼠類行為欧美影院a∨天堂，尤其在繁殖行為方面具有多種功能手机在线视频中文字幕精品三上。

In Kubuqi sandland of Erdos plateau, according to the investigating result of the component of rodent animal, vegetation and soil from the different habitat at 1995, we analyzed the connections between the community structure of sand land rodent animal and environment by COA, and described the spatial niche of the main rodent animal by the Levins index of niche width and Petraitis overlapping index of niche.

根據(jù) 1 995年在鄂爾多斯高原庫(kù)布其沙地不同生境類型上鼠類構(gòu)成、植被以及土壤因子的調(diào)查結(jié)果搜毛片索毛片搜黄片搜黄片色毛片，以對(duì)應(yīng)分析排序技術(shù)分析了沙地嚙齒動(dòng)物群落結(jié)構(gòu)與環(huán)境因子的關(guān)系污视频网站国产免费，以 Levins生態(tài)位寬度指數(shù)和 Petraitis種群生態(tài)位重疊指數(shù)對(duì)常見嚙齒動(dòng)物種群空間生態(tài)位進(jìn)行定量描述。

This paper tries to find the change tendency of rode nt population through comparative analysis of the structure of desert rodent pop ulation in Dzungaria basin . The result shows the structure of the rodent popula tion is dynamic and the substitute of dominant species is common .

通過對(duì)新疆準(zhǔn)噶爾盆地沙質(zhì)荒漠鼠類群落結(jié)構(gòu)的兩次對(duì)比分析国产69精品久久久久9999不卡，力求探討其群落變化趨勢(shì)男女18禁啪啪无遮挡激烈动态图红，結(jié)果表明鼠類群落結(jié)構(gòu)是動(dòng)態(tài)變化的，優(yōu)勢(shì)種的更替是普遍存在的久久久久久久精品国产免。