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2 Wuqing Comprehensive Experimental Station,National Dairy Industry Technology System,Tianjin 301718, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321421063389565367, articleId=1321421063154684342, tenantId=1146029695717560320, journalId=1296801528146919473, language=CN, title=生牛乳高体细胞数的成因分析及综合防控策略, columnId=1297134043032736530, journalTitle=中国乳业, columnName=疾病防治, runingTitle=null, highlight=null, articleAbstract=[目的]体细胞是奶牛乳腺免疫系统的核心组成部分,其数量变化是衡量奶牛健康状况和生牛乳质量的关键指标。[方法]本文基于天津市某奶牛牧场2024年1月至2025年3月的生产性能测定数据,系统分析了体细胞数（SCC）与泌乳阶段、胎次、季节等因素的关联规律。[结果]体细胞数随奶牛胎次增加呈显著上升趋势,三胎及以上奶牛体细胞数超过50 万/mL的比例达46.2%;泌乳后期（121~150 天）体细胞数均值（29.6 万/mL）显著高于泌乳初期（30 天内,19.2 万mL）;夏季体细胞数（如2024年8月达41 万/mL）较春秋季高10%~30%,且高体细胞数与奶产量呈显著负相关（经t检验,p=0.0024<0.05）。[结论]本文结合国际国内体细胞数限值标准,深入剖析高体细胞数的成因与危害,并提出涵盖疾病防控、环境优化、饲养管理、挤奶规范等多维度的综合防控策略,为提升生牛乳质量与奶牛健康水平提供技术支撑。, authors=袁文焕¹, 陈静怡², 张天琦², 贾春涛^2,*, authorsList=袁文焕, 陈静怡, 张天琦, 贾春涛, authorCompany=1 天津市武清区农业发展服务中心,天津 301700;
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