Preparation technology of compound feed for laying hens
A technology for compound feed and laying hens, applied in animal feed, animal feed, additional food elements, etc., can solve the problems of only focusing on crushing particle size, calcium content, safety and hygiene, high production cost, and lack of phosphorus nutrient sources for laying hens. , to achieve the effect of improving production performance and egg quality, increasing organic matter content, and reducing mucosal damage
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[0021] Such as figure 1 Shown, a kind of laying hen compound feed preparation technology of the present invention, add charcoal powder and phosphoric acid in compound feed, and increase the pretreatment process of phosphoric acid, charcoal powder, stone powder, preparation method comprises the following steps:
[0022] Step A, laying hen feed formula design, the formula is based on 100wt%, corn, cake conventional raw material 95.4~97.8wt%, add 2.0~4.0wt% charcoal powder, phosphoric acid of 10~15wt% of charcoal powder, wherein, conventional raw material According to the weight ratio, 55-65wt% of energy materials such as corn, 25-32wt% of protein materials such as soybean meal, 7-9wt% of stone powder, 0-1.8wt% of calcium hydrogen phosphate, 0.2-0.5wt% of table salt, and restrictive amino acids 0-0.15wt%, compound vitamins and compound trace elements 0.1-0.3wt%; the formula does not contain mineral diluents or carriers; phosphoric acid is included in the formula phosphorus nutrit...
Embodiment 1
[0049] The test flock was 48-week-old Hailan brown commercial laying hens, and the initial egg production rate was 84%. The results of the main production performance indicators during the 6-week test period are shown in Table 2.
[0050] The production performance of table 2 embodiment 1 test laying hens
[0051]
[0052] If the letters marked with the values in the same row are completely different between groups, it means that the difference between groups is significant (p<0.05). The table below is the same.
[0053] test results. (1) Compared with the control group, the three experimental feeds had no significant effect on the number of laying hens that died during the whole period, daily feed intake, average egg weight and other indicators. (2) The egg production rate and average daily egg production in the T12 test group were higher than those in the control group (p0.05); the feed-to-egg ratio index was the lowest, and the difference between the groups was not ...
Embodiment 2
[0056] The experimental flock was 60-week-old Hailan brown commercial laying hens, with an initial egg production rate of 80%. The results of the main production performance indicators during the 6-week test period are shown in Table 3.
[0057] The production performance of table 3 embodiment 2 test laying hens
[0058]
[0059] test results. (1) Compared with the control group, the three test feeds had no significant effect on the whole-period mortality rate, average daily feed intake, average egg weight and other indicators of laying hens. (2) The egg production rate and daily egg production of the three test groups were better than those of the control group, especially in the T21 group (p<0.05). The feed conversion ratios of the test groups showed a trend of improvement, and there was no significant difference between the groups. (3) There was a downward trend in the egg breaking rate in the test group, and the lowest was in the T22 group, but the difference was not...
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