正大肉鸡浓缩饲料 521

评测依据

• review_count：2800
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 00:03:41","to":"2026-06-26 00:03:41"}
• 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。在中国深耕40余年，拥有完整的饲料、养殖、食品加工产业链。正大饲料以\"安全、营养、高效\"为核心理念，其肉鸡饲料产品在行业内享有极高声誉，是众多大型养殖集团的指定供应商。","product_intro":"正大肉鸡浓缩饲料521专为21-35日龄中鸡设计，富含优质豆粕、鱼粉及维生素预混料，强化免疫营养，帮助鸡只平稳度过换料应激期。产品采用微粉碎工艺，消化吸收率高，能显著减少肠道疾病发生。适用于快大型白羽肉鸡中期生长阶段。","key_specs":["适用阶段：21-35日龄","粗蛋白质≥38%","粗纤维≤7%","钙：1.8%-3.0%","总磷≥1.0%","赖氨酸≥2.0%"]}
• alt_products：[{"product_name":"正大肉鸡浓缩饲料 521","brand":"正大集团","model":"521","price":158},{"product_name":"新希望六和肉鸡浓缩饲料 510","brand":"新希望六和","model":"510","price":145},{"product_name":"大北农肉鸡浓缩饲料 801","brand":"大北农","model":"801","price":138}]
• kol_quotes：["@禽病专家王老师：正大521的维生素配比很科学，鸡群免疫力明显提升。","@农场主李哥：用了三年，鸡只均匀度好，死淘率低。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在其卓越的适口性和抗病效果，鸡只采食后粪便成型好，呼吸道疾病发生率明显降低。多位养殖户表示换料时鸡群应激小，生长曲线平稳。部分评论提到价格略高于同类产品，但综合效益更高，长期使用可降低药费支出。","source_count":0}},{"source":"objective","score":86.14628140703516,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.7,"price":158,"wom_score":91.39999999999999}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":2800,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@禽病专家王老师：正大521的维生素配比很科学，鸡群免疫力明显提升。","@农场主李哥：用了三年，鸡只均匀度好，死淘率低。"]}}]
• method_version：v3
• search_visual：null