Effects of dietary sclareol supplementation in aged broiler breeders on production performance, egg quality, antioxidant capacity, and gut microbiota
Gang Shu, Binghua Zhou, Yang Wang, Zhengkun Wu, Haohuan Li, Funeng Xu, Wei Zhang, Hualin Fu, Lizi Yin, Felix Kwame Amever, Juchun Lin, Yilei Zheng, Xiaoling Zhao
TL;DR
Adding sclareol to the diet of older broiler breeders improves egg production, reduces egg damage, and boosts antioxidant and gut health.
Contribution
This study demonstrates that 400 mg/kg sclareol optimally enhances production and gut health in aged broiler breeders.
Findings
The MSCL group had a 6.3% higher egg production rate and reduced cracked and deformed eggs by 32.1% and 28.5%.
MSCL and HSCL groups showed increased antioxidant capacity and improved intestinal morphology and enzyme activity.
MSCL increased total fatty acid content in eggs and upregulated genes related to fat metabolism.
Abstract
This study evaluated the effects of sclareol on production performance, serum antioxidant indices, and gut health in late-laying Tianfu broiler breeders. Six hundred 42-week-old breeders were randomly divided into five groups: basal diet (CON), basal diet with 250 mg/kg oregano thymol (ORE), or basal diet with 200 (LSCL), 400 (MSCL), or 800 mg/kg sclareol (HSCL). Each group included eight replicates of 15 birds. Performance parameters were recorded weekly. On days 42 and 84, samples were collected to assess antioxidant capacity, digestive enzyme activity, and intestinal morphology. Compared to CON, the MSCL group exhibited a 6.3 % higher egg production rate (P < 0.05) and significantly lower cracked and deformed egg rates by 32.1 % and 28.5 % (P < 0.05) during days 42–84. Both MSCL and HSCL groups showed increased Total Antioxidant Capacity (T-AOC) and Total Superoxide Dismutase…
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Taxonomy
TopicsAnimal Nutrition and Physiology · Antioxidant Activity and Oxidative Stress · Retinoids in leukemia and cellular processes