Method for breeding chickens producing selenium-rich green shell eggs
A breeding method and selenium-enriched technology, applied in the application, animal feed, animal feed, etc., to achieve the effects of large tolerance, improved protein nutrition level, and low toxicity
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Embodiment 1
[0015] A method for breeding chickens producing selenium-enriched green-shell eggs, comprising the following steps:
[0016] (1) Chicken house construction: place perches, drinking fountains, and troughs in the chicken house, and open a 80×130 cm daylighting and ventilation window every 4 meters on the side wall of the chicken house, on the sunny side wall of the chicken house Open a door with a height of 180 cm and a width of 80 cm, and a sports field paved with sand is set outside the door;
[0017] (2) Incubation: Select eggs with an egg weight of more than 50 grams, place the hatched eggs on the egg tray with the big head of the eggs upward, and on the first to 18th day of incubation, the temperature of the egg surface in the incubator is controlled at 37.5°C. The relative humidity in the incubator is 60%; transfer to the hatcher on the 19th day after hatching, lay the eggs flat, the temperature in the hatcher is controlled at 37°C, and the relative humidity is 70%; turn t...
Embodiment 2
[0021] A method for breeding chickens producing selenium-enriched green-shell eggs, comprising the following steps:
[0022] (1) Chicken house construction: place perches, drinking fountains, and troughs in the chicken house, and open a 80×130 cm daylighting and ventilation window every 5 meters on the side wall of the chicken house, and place it on the sunny side wall of the chicken house Open a door with a height of 180 cm and a width of 80 cm, and a sports field paved with sand is set outside the door;
[0023] (2) Incubation: Select eggs with an egg weight of more than 50 grams, place the hatched eggs on the egg tray with the big head of the eggs upward, and hatch on the first to 18th day. The relative humidity inside the machine is 60%; transfer to the hatching machine on the 19th day after hatching, lay the eggs flat, control the temperature inside the hatching machine at 37.2°C, and the relative humidity is 70%; turn the eggs every two hours at 90 degrees ; The eggs ar...
Embodiment 3
[0027] A method for breeding chickens producing selenium-enriched green-shell eggs, comprising the following steps:
[0028] (1) Chicken house construction: place perches, drinking fountains, and troughs in the chicken house, and open a 80×130 cm daylighting and ventilation window every 4.5 meters on the side wall of the chicken house, and place it on the sunny side wall of the chicken house Open a door with a height of 180 cm and a width of 80 cm, and a sports field paved with sand is set outside the door;
[0029] (2) Incubation: Select eggs with an egg weight of more than 50 grams, place the hatched eggs on the egg tray with the big head of the eggs upward, and hatch on the first to 18th day. The relative humidity inside the machine is 60%; transfer to the hatching machine on the 19th day after hatching, lay the eggs flat, control the temperature inside the hatching machine at 37.1°C, and the relative humidity is 70%; turn the eggs every two hours at 90 degrees ; The eggs ...
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