Breeding method of antibiotics and hormones-free selenium-enriched chicken
A breeding method and technology of selenium-enriched chickens, which are applied in the field of breeding, can solve the problems that there is a certain gap in the absorption and utilization rate, and the addition of selenium is not considered, and achieve the effect of simple selenium supplementation method, avoiding uneven problems, and high absorption rate
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Embodiment 1
[0028] (1) Dilute the water-soluble protein selenium with a selenium content of 0.2% with 20 times of water to obtain the diluted water-soluble protein selenium A, add A to the irrigation water in an amount of 1%, and spray it on the east of the pasture every day. In the forage on the side, after 4 months, the selenium content of the forage was detected to be 0.3mg / kg, and the selenium-enriched forage was collected for free feeding of chickens;
[0029] (2) The formula of selenium-enriched drinking water for chickens is: use selenium content of 0.3% water-soluble protein selenium, dilute it with 20 times of water to obtain diluted water-soluble protein B, add B to the chicken in an amount of 4% The theoretical drinking water selenium content is 0.12mg / kg, and the measured drinking water selenium content is 0.13mg / kg;
[0030] (3) According to the age of the chicks, the following different formula supplements are used for feeding:
[0031] a. Within seven weeks: corn 61.3%, br...
Embodiment 2
[0036] (1) Dilute the water-soluble protein selenium with a selenium content of 0.3% with 50 times of water to obtain the diluted water-soluble protein selenium A, add A to the irrigation water in an amount of 1%, and spray it on the west of the pasture every day In the forage on the side, after 4 months, the selenium content of the forage was detected to be 0.15mg / kg, and the selenium-enriched forage was collected for the chickens to eat freely;
[0037] (2) The formula of selenium-enriched drinking water for chickens is: water-soluble protein selenium with a selenium content of 0.3% is used, diluted with 10 times of water to obtain diluted water-soluble protein B, and B is added to chickens in an amount of 2%. In the drinking water, the theoretical drinking water selenium content is 0.12mg / kg, and the measured drinking water selenium content is 0.12mg / kg;
[0038] (3) According to the age of the chicks, the following different formula supplements are used for feeding:
[00...
Embodiment 3
[0044] (1) Dilute the water-soluble protein selenium with a selenium content of 0.1% with 50 times of water to obtain the diluted water-soluble protein selenium A, add A to the irrigation water at a dosage of 3%, and spray it on the south of the pasture every day. In the forage on the side, after 4 months, the selenium content of the forage was detected to be 0.25 mg / kg, and the selenium-enriched forage was collected for the chickens to eat freely;
[0045] (2) The formula of selenium-enriched drinking water for chickens is: water-soluble protein selenium with a selenium content of 0.3% is used, diluted with 10 times of water to obtain diluted water-soluble protein B, and B is added to chickens in an amount of 2%. The theoretical drinking water selenium content is 0.11mg / kg, and the measured drinking water selenium content is 0.13mg / kg.
[0046] (3) According to the age of the chicks, the following different formula supplements are used for feeding.
[0047] a. Within seven w...
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