Production performances and antioxidant activities of laying hens fed Aspergillus oryzae and phytase co-fermented wheat bran.

Production performances and antioxidant activities of laying hens fed Aspergillus oryzae and phytase co-fermented wheat bran.

Asian-Australas J Anim Sci. 2020 May 12;:

Authors: Huang CM, Chuang WY, Lin WC, Lin LJ, Chang SC, Lee TT

Abstract
Objective: Wheat bran (WB) was co-fermented with Aspergillus oryzae and phytase to see if co-fermentation improve wheat bran phosphorus and fiber utilization in Isa-brown layers.
Methods: A total of 112 Isa brown layer were randomly divided into 7 treatments with 8 replicates per a treatment and 2 hens per a replicate. The treatment include basal diet (Control), basal diet supplemented with 250 unit/kg phytase (Control+Phy), diet with 10% WB (10% WB), diet with 5% WB and 250 unit/kg phytase (5% WB+Phy) diet with 10% WB and 250 unit/kg phytase (10% WB+Phy), diet with 5% PCFWH and 125 unit/kg phytase (5% PCFWH), and diet with 10% PCFWH (10% PCFWH). The intestinal microbial population, intestinal morphology, serum antioxidant enzyme activities, and excreta phosphorus content was assessed.
Results: In PCFWH, spore counts, protease activity, xylanase activity, and ferulic acid were 8.50 log/g DM, 190 unit/g DM, 120 unit/g DM, and 127 μg/g, respectively. Xylobiose and xylotriose were released in PCFWH, while they were not detectable in WB. Antioxidant capacity was also enhanced in PCFWH compare to WB. The 10% WB+Phy and 10% PCFWH groups produced higher egg mass, a but hens fed 5% WB+Phy consumed the lowest amount of feed intake. Eggs from 10% PCFWH had better eggshell weight, eggshell strength, and eggshell thickness. Birds fed with 10% PCFWH also had higher serum superoxide dismutase (SOD) and catalase (CAT) activities. Compare to control, 10% PCFWH significantly reduced excreta phosphorus content.
Conclusion: 10 % PCFWH in diet improved egg quality, antioxidant status, and excreta phosphorus content of laying hens.

PMID: 32777910 [PubMed – as supplied by publisher]

Source: Industry