1. Materials and methods
1. Purpose of the test
The effects of yucca extract on egg production, hatchability, disease resistance and flock uniformity after use on breeders were observed.
2. Test materials
1) Youlanbao: Linfeng orchid yucca extract (provided by Shandong Huachang Animal Health Products Co., Ltd.).
2) Test chickens: 1000 AA broiler breeders 1000 control groups.
3) Test site: a chicken farm in Shandong.
4) Test period: October 10 - November 10, 2016
3. Experimental design:
In this study, two groups were designed: the control group did not add yucca extract and similar products, and the treatment group added 200 grams of yucca extract per ton of full price batch. 1000 animals per group, 26-40 weeks old during the trial diet feeding stage.
4. Test indicators:
During the test, feed intake, deaths, culling, egg production, qualified eggs, ammonia concentration, broken eggs and soft eggs were recorded daily.
Second, the test results
1. Comparison of ammonia concentration between the test chicken coop and the control group (Table 1)
Table 1 Test the ammonia concentration of chicken coop and control group chicken coop
2. Comparison results of dead panning between the experimental chicken coop and the control group (Table 2)
Table 2: Number of dead panning of chicken coops and control group chicken coops
3. The impact on the production performance of breeders
Table 3 Effect of Yolanbao on breeder production performance
(The above experimental data is for reference only)
III. Summary
In the above experimental results, it is concluded that the addition of yucca extract to the diet improves the environment of the poultry house to a certain extent, especially the concentration of harmful gases, which helps to improve the production performance of breeders and the quality of eggs.