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Microbial Poly-3-Hydroxybutyrate (PHB) as a Feed Additive for Fishes and Piglets.
Biotechnology Journal ( IF 3.2 ) Pub Date : 2019-06-27 , DOI: 10.1002/biot.201900132 Xuan Wang 1 , Xiao-Ran Jiang 1 , Fuqing Wu 1, 2, 3 , Yiming Ma 1, 2 , Xuemei Che 1, 2 , Xiyue Chen 4 , Ping Liu 4 , Wenbing Zhang 5 , Xi Ma 4 , Guo-Qiang Chen 1, 2, 3
Biotechnology Journal ( IF 3.2 ) Pub Date : 2019-06-27 , DOI: 10.1002/biot.201900132 Xuan Wang 1 , Xiao-Ran Jiang 1 , Fuqing Wu 1, 2, 3 , Yiming Ma 1, 2 , Xuemei Che 1, 2 , Xiyue Chen 4 , Ping Liu 4 , Wenbing Zhang 5 , Xi Ma 4 , Guo-Qiang Chen 1, 2, 3
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The large-scale use of petrochemical-based plastics is damaging our environment. Discarded plastics are harmful to both marine and land animals, sometimes causing death when ingested. Biodegradable plastics have gained attentions from the public and the academia to reduce environmental burdens. Poly-3-hydroxybutyrate (PHB), the simplest and the best-studied bioplastic member of the polyhydroxyalkanoate (PHA) family synthesized by many bacteria, has been studied as a feed additive for large yellow croaker fish and weaned piglets. The fish grow faster and gain more weight when 1% and 2% PHB is added as a feed additive, accompanied by increased survival rates. Weaned piglets are found to grow normally and showed no significant change in average daily weight gains, average daily feed intakes, feed efficiency, and organ developments when 0.5% PHB is added to the feed. It can therefore be concluded that biodegradable and biocompatible PHB is not harmful as a feed additive for marine large yellow croakers and sensitive weaned piglets. PHB therefore holds great promise as a plastic that combines biodegradability and biocompatibility with good tolerability as a feed supplement for animals.
中文翻译：
微生物聚-3-羟基丁酸酯（PHB）作为鱼类和仔猪的饲料添加剂。
石化塑料的大规模使用正在破坏我们的环境。丢弃的塑料对海洋和陆地动物均有害，摄入时有时会导致死亡。可生物降解的塑料已经引起了公众和学术界的关注，以减轻环境负担。聚-3-羟基丁酸酯（PHB）是由许多细菌合成的聚羟基链烷酸酯（PHA）家族中最简单，研究最好的生物塑料成员，已被研究用作大型黄花鱼和断奶仔猪的饲料添加剂。当添加1％和2％的PHB作为饲料添加剂时，鱼的生长更快，体重增加，并伴随成活率的提高。断奶的仔猪生长正常，并且在0时平均日增重，平均日采食量，饲料效率和器官发育没有明显变化。将5％PHB添加到饲料中。因此可以得出结论，可生物降解和生物相容的PHB作为海洋大黄鱼和敏感断奶仔猪的饲料添加剂无害。因此，PHB作为具有可生物降解性和生物相容性以及良好耐受性的塑料作为动物饲料添加剂具有广阔的前景。
更新日期：2019-11-18
中文翻译：
微生物聚-3-羟基丁酸酯（PHB）作为鱼类和仔猪的饲料添加剂。
石化塑料的大规模使用正在破坏我们的环境。丢弃的塑料对海洋和陆地动物均有害，摄入时有时会导致死亡。可生物降解的塑料已经引起了公众和学术界的关注，以减轻环境负担。聚-3-羟基丁酸酯（PHB）是由许多细菌合成的聚羟基链烷酸酯（PHA）家族中最简单，研究最好的生物塑料成员，已被研究用作大型黄花鱼和断奶仔猪的饲料添加剂。当添加1％和2％的PHB作为饲料添加剂时，鱼的生长更快，体重增加，并伴随成活率的提高。断奶的仔猪生长正常，并且在0时平均日增重，平均日采食量，饲料效率和器官发育没有明显变化。将5％PHB添加到饲料中。因此可以得出结论，可生物降解和生物相容的PHB作为海洋大黄鱼和敏感断奶仔猪的饲料添加剂无害。因此，PHB作为具有可生物降解性和生物相容性以及良好耐受性的塑料作为动物饲料添加剂具有广阔的前景。
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