搜索结果: 1-5 共查到“兽医科学基础学科 dairy cows”相关记录5条 . 查询时间(0.078 秒)
Therapeutic effects of a combined antibiotic-enzyme treatment on subclinical mastitis in lactating dairy cows
mastitis Staphylococcus aureus biofilm enzyme-antibiotic treatment genomic DNA ica genes
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2016/6/3
The objective of this study was to evaluate a combined antibiotic-enzyme therapy for Staphylococcus aureus mastitis and biofilm formation. A total of 141 cases of S. aureus chronic mastitis from three...
Influence of parenteral administration of selenium and vitamin E during pregnancy on selected metabolic parameters and colostrum quality in dairy cows at parturition
cattle immunoglobulins thyroid hormones
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2015/2/5
The aim of the present work was to study the influence of different dose of parenteral administration selenium and vitamin E in dairy cows prior to parturition on selected metabolic parameters and col...
Quarter milk flow patterns in dairy cows: factors involved and repeatability
dairy cows quarter milk flow SCC repeatability
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2015/1/27
The objectives of our study were to describe the variation of quarter milk flow parameters and to determine the factors that affect these parameters the most. Additionally, repeatabilities (r2) of the...
Exposure of pig fatteners and dairy cows to polycyclic aromatic hydrocarbons
polycyclic aromatic hydrocarbons air feed drinking water dust soil exposure
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2015/1/26
Exposure of pig fatteners and dairy cows to polycyclic aromatic hydrocarbons (PAHs) was investigated by analyses of selected indoor and outdoor samples. PAH concentrations (16 U.S. EPA priority PAHs) ...
Factors affecting milk ejection and removal during milking and suckling of dairy cows
dairy cows milking suckling hormones
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2015/1/20
The release of oxytocin and milk ejection occurrence in response to teat stimulation are crucial for fast and complete milk removal during milking or suckling. The milk ejection reflex can be disturbe...