乳房炎的防治.pptVIP

* The Teat Club international is a newly formed committee from the NMC Developed a standardized scoring system. This is a teat with a thin smooth ring. Clearly the keratin is shown within the teat canal * When the teat end callosity is thick and rough the fray are clearly shown. Rated as 4 Higher scores show parakeratose and also more evidence for perivascular reaction: infiltration of lymphocytes, granulocytes and erythocytes into the tissue. As callus builds up creates pressure on skin, forced back on self developing ring. Easy for bacteria to become lodged in cracks * * Teat end hygiene notches up hygiene evaluation to include the effectiveness of milking procedures in providing clean dry teat ends before milking unit attachment. * * * * 乳头开口 Photo: Utrecht University: Drs A. de Man, Dr Y.H. Schukken Drs J.P. Koeman Keratin角蛋白 Teat duct 乳头导管 乳头开口评分：正常 Photo: Utrecht University: Drs A. de Man, Dr Y.H. Schukken Drs J.P. Koeman Fray 磨损 乳头开口评分 很粗糙的环状 美国辉瑞动物保健品有限公司 污染和没有效果的药浴液会带来什么 美国辉瑞动物保健品有限公司 消毒液,还是病源？ 美国辉瑞动物 预防—干奶期治疗（治愈率将达到95% ） 产犊 干奶 产犊 新发生感染的比率 干奶牛乳头封闭剂 Internal teat sealants乳头内封剂 OrbeSeal?or TeatSeal? (Pfizer Animal Health) External teat sealants乳头外封剂(persistent barrier dips) Stronghold?/DryFlex? (WestAgro, DeLaval) 泌乳期的治疗仅能治愈60%的临床乳房炎Treatment during lactation can only cure about 60% of clinical mastitis 40%经过治疗的牛，牛奶表现为正常 For 40% of treated cows the milk appears normal after treatment (clinical cure) 但是 仍然处于感染状态（亚临床乳房炎） BUT Still have the infection (sub-clinical mastitis) 干奶期的治愈率将达到95% Dry Cow Treatment will cure about 95% of Infections 预防 干净、干燥、舒适的环境（DCC) 性能稳定的挤奶机械 定期的隐形乳房炎检测 DHI技术的应用 完善的牧场管理系统 规范的挤奶操作 干奶期治疗 乳房炎治疗 牛奶 乳区 体温 耳朵 腹泻 治疗 絮状 软 正常 温暖 无 密切关注第二次挤奶或乳房内用药 絮状/凝块 软 正常 温暖 无 乳房内用药 絮状/凝块 硬 39.7 温暖 无 乳房内用药+全身 水样 硬 39.7 凉 有 乳房内用药+全身用药+抗炎+补液 治疗 青年牛乳房炎 感染源 乳房的清洁度评分 1 2 3 10-30% of surface area 4 30% of surface area The dirtier, the higher risk of mastitis越脏，乳房炎发生的风险越高  问题? * * Where could these bacteria be coming from? * So what