But the rate of mammitis will increase at the speed of 2％, at the same time, the number of daughters and sons of test bulls is not large enough for good accuracy for estimating test bull breeding value, so the breeding scheme in effect need to be improve.

C欧美一级婬片A片护士、現(xiàn)行的育種方案的育種成效不甚理想高清无码一级国产黄色片，世代間隔為5.42年日本按摩高潮A级中文片,，投入產(chǎn)出比為1∶11.50一级二级黄片中文录相，但乳房炎發(fā)病率提高最近中文字幕无免费，公牛后裔測定的后代數(shù)低欧美97；現(xiàn)行方案還有較大的改進(jìn)余地。

With the exosomatic MIC detection method and antibiosis efficiency detection method determined the common alimentary canal pathogenic bacteria,air tube pathogenic bacteria and mammitis pathogenic bacteria,respectively.

采用體外最小抑菌濃度MIC檢測法和抗菌效率檢測法分別對常見的消化道病原菌、呼吸道病原菌色拍拍综合视频、乳房炎病原菌進(jìn)行測定殴美性爱肛交高清在线。

Make a summary: Purpose poisons the agile experiment does engineered resistance analysis together to Chongqing area part dairy milk cow mammitis pathopoiesia sex staphylococcus being in progress with the streptococcus, the antibiotic and prevention and cure that disease provide a basis to clinical rational use.

目的 對重慶地區(qū)部分奶牛場的奶牛乳房炎致病性葡萄球菌和鏈球菌的進(jìn)行藥敏試驗并做耐藥性分析，為臨床合理使用抗生素和防治該病提供依據(jù)最新免费a电影网站。

Optimization of the extracting method of Chlorogenic Acid from Flos Lonicerae was studied by three different methods of ultrasonic extraction, sorbitic extraction, and improved method of sorbitic extraction.

采用超聲波法91在线视频国产福利试看、索氏法、改良索氏法3種方法分別從金銀花中提取綠原酸96在线精品视频免费观看，用紫外光譜法和高效液相色譜法對其進(jìn)行定性定量分析欧美中文一区。同時用金銀花乙醇提取物及純化的綠原酸對乳房炎主要致病菌進(jìn)行抑菌試驗。

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