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- Title
油橄榄渣对青脚麻鸡生产性能和免疫功能的影响.
- Authors
陈文东; 朱秀娟; 王让军; 何玉鹏; 苏满春; 徐永平
- Abstract
In order to investigate the effects of different concentrations of olive cake (OC) on production performance, immune function and Newcastle disease antibody levels of cyan-shank partridge chicken. A total of 720 1-day-old cyan-shank partridge chickens were randomly divided to control group, 3% OC group, 5% OC group, 7% OC group, 6 replicates for each group and 30 chickens in each replicate. Control group fed normal corn-soybean meal diet, experimental group were fed diet with 3%, 5% and 7% olive cake based on normal corn-soybean meal diets, The experiment is divided into 2 phases, 1-21 d was early period, 22-42 d was late period. The results indicated that, early period, the daily gain, percentage of half eviscerated yield, eviscerated weight, dressed percentage, percentage of breast muscle and percentage of leg muscle can be improved by adding different concentrations of olive cake to the diet, and reduced fead conversion rate. The daily absolute growth of 7% OC group was significantly better than control group (P<0.05), the feed conversion rate of 7% OC group was significantly lower than control group (P<0.05); compared with control group, bursa index was significantly increased in 3% OC group (P<0.05), thymus index was significantly increased in 7% OC group (P<0.05); the levels of NDV antibody in serum of 5% OC group was significantly higher than control group (P<0.05). Late period, the daily absolute growth, percentage of half eviscerated yield, eviscerated weight, dressed percentage, percentage of breast muscle and percentage of leg muscle can be promoted by adding different concentrations of olive cake to the diet, and reduced fead conversion rate. the performance of 7% OC group was significantly better than that of control group (P<0.05); the indexes of immune organs (bursa of Fabricius, thymus and spleen) in 5% OC group were significantly higher than control group (P<0.05); serum NDV antibody levels of 5% OC group was significantly higher than control group (P<0.05). To sum up, under the condition of our experiments, the proper additive dose of OC in the diet could effectively improve the production performance, immune function and Newcastle disease antibody levels of cyan-shank partridge chicken, the advisable additive dose of OC in the diet was 5%.
- Subjects
SOYBEAN meal; NEWCASTLE disease; LEG muscles; CHICKENS; CONTROL groups; THYMUS
- Publication
Feed Industry, 2023, Vol 44, Issue 16, p71
- ISSN
1001-991X
- Publication type
Article
- DOI
10.13302/j.cnki.fi.2023.16.010