正大集团 蛋鸡产蛋期配合饲料 521

评测依据

• review_count：11200
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 00:08:05","to":"2026-06-26 00:08:05"}
• intros：{"brand_intro":"正大集团成立于1921年，是泰籍华人创办的跨国企业，也是全球最大的农牧食品企业之一。在中国市场深耕40余年，拥有完整的饲料、养殖、加工产业链。其饲料产品以稳定性和高效性著称，尤其在蛋鸡料领域占据领先地位，产品出口至多个国家。","product_intro":"正大521蛋鸡产蛋期配合饲料采用玉米、豆粕、石粉等原料，添加了维生素和微量元素，专为产蛋高峰期蛋鸡设计。产品能有效提高产蛋率、蛋壳强度和蛋黄颜色，降低破蛋率。粗蛋白含量不低于16%，钙含量高达3.5%，满足蛋鸡对钙质的高需求。适用于18周龄以上的蛋鸡，可直接饲喂，无需额外添加。","key_specs":["适用对象：产蛋期蛋鸡（18周龄以上）","粗蛋白质含量：≥16%","粗纤维含量：≤6%","钙含量：3.0%-4.0%","总磷含量：≥0.5%","包装规格：40kg/袋"]}
• alt_products：[{"product_name":"正大集团 蛋鸡产蛋期配合饲料 521","brand":"正大集团","model":"521","price":165},{"product_name":"新希望六和 猪用浓缩饲料 551","brand":"新希望六和","model":"551","price":185},{"product_name":"海大集团 水产膨化饲料 罗非鱼专用","brand":"海大集团","model":"罗非鱼膨化料 3.0mm","price":145}]
• kol_quotes：["@蛋鸡养殖专家赵哥：正大521是蛋鸡场的标配，产蛋率稳定在95%以上。","@农技员小陈：钙含量足，蛋壳硬，适合长途运输。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.89999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反映该饲料能稳定维持高产蛋率，蛋壳颜色均匀、硬度好，运输破损率低。部分养殖户提到使用后蛋黄颜色加深，更受消费者欢迎。少数评论指出价格略高于市场均价，但长期使用可降低药费成本。整体评价积极，复购率超过80%，尤其受规模化蛋鸡场青睐。","source_count":2}},{"source":"objective","score":84.56600502512562,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.6,"price":165,"wom_score":91.89999999999999}},{"source":"user_review","score":92,"weight":0.2,"confidence":1,"details":{"rating_avg":4.6,"review_count":11200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@蛋鸡养殖专家赵哥：正大521是蛋鸡场的标配，产蛋率稳定在95%以上。","@农技员小陈：钙含量足，蛋壳硬，适合长途运输。"]}}]
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