中牧牛布鲁氏菌病活疫苗（S2株）

评测依据

• review_count：4500
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","小红书","什么值得买"]
• time_range：{"from":"2026-06-25 09:56:39","to":"2026-06-25 09:56:39"}
• intros：{"brand_intro":"中牧股份是中国最大的动物保健品生产企业之一，隶属于中国农业发展集团，拥有60余年兽药生产历史。公司在北京、兰州等地建有多个GMP生产基地，产品涵盖疫苗、化药、饲料添加剂等。中牧股份在布病疫苗领域以S2株疫苗闻名，该毒株由国内自主研发，具有口服免疫的独特优势。品牌以\"守护动物健康，保障食品安全\"为使命，品控体系通过ISO9001和欧盟GMP认证，市场占有率常年位居行业前三。","product_intro":"该产品是牛布鲁氏菌病活疫苗的S2株版本，主打口服免疫途径，适合大规模群体免疫。核心卖点在于无需注射，可通过饮水或拌料方式给药，大幅降低人工成本和动物应激反应。与A19株相比，S2株安全性更高，可用于怀孕母牛和幼龄牛只。适用场景包括散养户、中小型牧场及布病净化难度大的区域。竞品对比中，S2株疫苗以操作简便、成本低廉著称，但免疫保护率略低于A19株。","key_specs":{"毒株类型":"S2弱毒株，国内自主研发","免疫方式":"口服（饮水或拌料），每头牛2头份","免疫保护期":"1-2年，建议每年免疫一次","储存条件":"2-8℃冷藏保存","适用动物":"所有年龄牛只，包括怀孕母牛","规格":"100头份/瓶，500头份/瓶"}}
• alt_products：[{"product_name":"中牧牛布鲁氏菌病活疫苗（S2株）","brand":"中牧股份","model":"S2株","price":45},{"product_name":"哈兽研维科牛布鲁氏菌病活疫苗（A19株）","brand":"哈兽研维科","model":"A19株","price":85},{"product_name":"青岛易邦牛布鲁氏菌病活疫苗（S2株）","brand":"青岛易邦","model":"S2株","price":38}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"省时省力\"和\"安全性高\"两点。优点：口服免疫方便，适合大规模使用，对怀孕母牛无流产风险。缺点：免疫保护率不如A19株，部分用户反映免疫后抗体水平偏低。专业评测认为，S2株疫苗更适合布病低发区域的常规预防，而非高发区的紧急净化。用户口碑在散养户中极佳，被称为\"懒人疫苗\"。","source_count":4}},{"source":"objective","score":77.29863636363635,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.5,"price":45,"wom_score":84.1}},{"source":"user_review","score":90,"weight":0.2,"confidence":1,"details":{"rating_avg":4.5,"review_count":4500,"source":"product_reviews_aggregate"}}]
• method_version：v3
• search_visual：null