期刊论文

Xiao Xu

英文

ANIMALS

2076-2615

2022

12

10

1271-

10.3390/ani12101271

Conceptualization, X.X.; methodology, X.X.; software, H.Z.; validation, X.X.; formal analysis, Y.L.; investigation, Q.C.; resources, X.H.; data curation, Y.L.; writing—original draft preparation, Q.C.; writing—review and editing, X.H.; visualization, H.Z.; supervision, X.X.; project administration, X.X.; funding acquisition, X.X. All authors have read and agreed to the published version of the manuscript. This research and APC were funded by the Projects of Innovative Research Groups of the Natural Science Foundation of Hubei Province (No. 2019CFA015), the Scientific Research Project of Wuhan Polytechnic University (NO. 2022J05), and the Open Project of Hubei Key Laboratory of Animal Nutrition and Feed Science (No. 201802).

本校为第一机构

The objective of this study was to compare two supplementary doses (6000 vs. 12,000 IU/kg) of vitamin A (VA) on the performance, development of intestine and immune organs, as well as gene expression of inflammatory factors in young Hy-Line Brown laying pullets. A total of 288 one-day-old Hy-Line Brown laying pullets (weighing 42.15 ± 0.23 g) were allotted into two treatments with 12 replicate cages and 12 birds per cage. During the 35-day period, the pullets were fed a basal diet supplemented with different doses of VA (6000 IU/kg VA in contr...