The incorporation of a certain amount of natural feed containing carotenoids (lutein) in the diet of chickens can increase the color of poultry products and increase the grade of commodities. Such as: marigold, grass, clover, kelp (or other seaweed), pine needle powder, wolfberry fruit, orange peel, leeks, clams, pumpkin, red pepper noodles, cabbage and so on.
Marigold collected marigold petals dried into fine powder, add 0.3% in chicken feed, can produce deep orange egg yolk egg, broiler skin golden yellow.
The comminuted grasshopper was air-dried and pulverized into a powder. The addition of 5% to the chicken feed increased the color of the egg yolk from grade 1 to grade 6, and the chicken skin and fat were golden yellow.
Clover fresh clover chopped, add 5% to 10% in the chicken feed, can save part of the feed, egg yolk color significantly.
Kelp or other seaweed contains high levels of carotenoids and iodine. After crushing, it can add 2% to 6% to chicken feed, and egg yellow can increase 2 to 3 grades, and can produce high-iodine eggs.
The pine needles powder will be dried and crushed into fine granules by adding the 3% to 5% to the chicken feed. This not only has a good color-enhancing effect, but also can increase the egg production rate by about 13%.
The wolfberry seeds will be studied into powder, add 0.5% to 1% in the chicken feed, make the yolk deep yellow, increase egg production rate of 6% to 7%.
Orange peel powder dried orange mill, add 2% to 5% in the chicken feed, can deepen the color of the egg yolk, and can significantly increase egg production.
Leek chopped the leeks and added 8% to 10% of the chicken feed to make the yolk yellow and save feed and increase egg production by 8% to 15%.
The pumpkin crushed the old pumpkin and incorporated 10% in the chicken feed to increase the color of the chicken skin and egg yolk.
Red pepper is added with 0.3%~0.6% red pepper in chicken feed, which can increase the color of egg yolk, skin and subcutaneous fat, increase appetite and increase egg production.
Calendula Chrysanthemum in the amount of chicken feed (0.2%) Calendula petal powder, can make the layer of eggs to produce dark orange egg yolk; and make the chicken's skin was a lovely golden yellow.
After the peacock grass is cut and dried, it is pulverized and powdered. Adding 0.3% to the chicken feed can increase the color of the egg yolk from level 1 to grade 6.5. The skin and fat of the chicken are golden brown.
Honey feeds 1 gram of honey per layer of laying hens each day, which can deepen the color of the yolks and increase the nutritional value of the eggs. Because honey is a natural health food, it contains many nutrients.
Yellow corn is fed with 60% yellow corn for 10 days, and the yolk color can be increased from grade 1 to grade 8 and the broiler skin can be turned into an apricot yellow.
Cow dung powder The fresh cow dung is sterilized and dried to make flour. Adding 2% to the feed can significantly increase the color of the egg yolk and it can make the skin of the chicken yellow.
In the actual breeding, there are many natural additive feed additives are more commonly used. For example, more than 30 varieties such as gold chrysanthemum and ryegrass.
The above recommended feed additives are all natural colorants, safe and non-toxic, and the “Red Heart†and “Three Yellow Chicken†produced after feeding can be eaten with confidence.
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