Nutrient enhanced laying hen feed and application thereof
A technology of nutritional fortification and nutritional fortifier, which is applied in the application, animal feed, animal feed and other directions to achieve the effect of reducing costs, meeting dietary and health needs, and being easy to deposit
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Embodiment 1
[0038] The nutrient-enhanced mixed feed was prepared with 1.5% astaxanthin unbroken Haematococcus pluvialis (the content of astaxanthin in the algal powder accounted for 1.5% of the dry weight) algae powder and ordinary compound feed. Among them, the common compound feed accounts for 99.0% of the nutritionally enhanced mixed feed components, and 1.5% Haematococcus pluvialis algae powder accounts for 1.0% of the nutritionally enhanced mixed feed.
[0039] Feed the above-mentioned nutrient-enhanced mixed feed to laying hens according to the conventional feeding method. Generally, the daily feed intake of each hen during the laying period is 2.2-2.3 taels. When the time is extended to the 5th day, its egg yolk color is gradually stabilized as dark red, which is rich in natural astaxanthin (see figure 1 ).
Embodiment 2
[0041] Fresh algae mud of Haematococcus pluvialis (water accounts for about 70%, dry matter accounts for about 30%, astaxanthin content accounts for 0.5% of fresh algae mud, which is about 1.5% of biological dry weight), and ordinary compound feed Mix to prepare nutritionally fortified mixed feed. Among them, the common compound feed accounted for 97.0% of the components of the nutritionally enhanced mixed feed, and the fresh algal mud of Haematococcus pluvialis accounted for 3.0% of the nutritionally enhanced mixed feed.
[0042] The nutrient-enhanced mixed feed obtained above is fed to laying hens according to the conventional feeding method. Generally, the daily feed intake of hens during egg production is 2.2-2.3 taels, and eggs that are basically similar to those in Example 1 are obtained after 4 days, that is, eggs The color of the egg yolk is obviously deepened, which is rich in natural astaxanthin, and with the prolongation of the feeding time, the color of the egg yol...
Embodiment 3
[0044] The above nutrition-enhanced mixed feed is prepared by using the fresh algal mud of Haematococcus pluvialis (wherein the content of astaxanthin accounts for 0.15%) as an enhancer and mixed with common compound feed. Among them, common compound feed accounts for 95.0% of the nutritionally enhanced mixed feed components, while Haematococcus pluvialis algae mud accounts for 5.0% of the nutritionally enhanced mixed feed.
[0045] The nutrient-enhanced mixed feed obtained above is fed to the laying hens according to the conventional feeding method. Generally, the daily feed intake of each hen during the laying period is 2.2-2.3 taels, and the color of the egg yolk begins to deepen on the third day, similar to that of free-range eggs. standard; by 5 days, the color of the egg yolk is deepened to orange, and the egg contains natural astaxanthin; and with the prolongation of the feeding time, the color of the egg yolk gradually deepens, and the color of the egg yolk obtained aft...
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