Hyline brown shell hen is a four-line matching egg hen breed cultivated by American Hailan International Company. Hailan brown-shell hens have the characteristics of strong adaptability, cold resistance, heat resistance, strong disease resistance and high survival rate. Hailan brown-shell hens are a kind of laying hens suitable for large-scale breeding, with low stress response. The high quality of feed, the high number of eggs and the high survival rate are the main varieties of laying hens in China. Let’s take a look at the following: Hailan brown-shell hen culture technology Hailan brown-shell hen culture technology.
1.Management of the brooding period of Hyline brown-shell hens
This stage from 1 day to 7 weeks is called the brooding period of the Hailan brown shell hen. First, the brooding room should be cleaned and sterilized strictly. Three disinfection methods can be used. Spray with 5% caustic soda for the first time, disinfectant with iodine or chlorine for the second disinfection, and fumigation with potassium permanganate for the third time. The disinfection interval is preferably one week. Before entering the chick, the indoor temperature should be maintained at 35 ~ 36 °C. At 1 to 3 days of age, the room temperature is maintained at 35 to 36 ° C; 4 to 7 days of age is preferably maintained at 33 to 34 ° C; thereafter, it is lowered by 2 ° C per week until the temperature is maintained at 21 ° C. The relative humidity during brooding can be maintained at 65% to 70%. Because the chicks that have just emerged from the shell may not eat or drink without the light stimulation, they should keep strong light for 20 to 23 hours every day for the first 3 days after the chicks, and gradually return to normal after 7 days. illumination. In a fully enclosed chicken house, a 40-60 watt bulb is generally used, and the distance between the lamps is about 3 meters.
2.Management of the breeding period of Hyline brown-shelled hens
The breeding period of Hailan brown-shell hens is 7-20 weeks old. At this time, the hens have enhanced adaptability to the external environment and have a sound temperature regulation ability. The temperature is generally maintained at 18-23 °C, and the humidity is maintained at 60%. 70%. At the same time, do a good job of ventilation, and remove harmful gases such as ammonia, carbon dioxide and hydrogen sulfide in the house. As the age of Hailan brown-shell hens increases, density adjustments need to be made in time. Taking cage chickens as an example, at the age of 7 to 10 weeks, 24 Hailan brown-shell hens can be placed per square meter; 14 to 16 Hailan brown-shell hens can be placed at 10 to 20 weeks of age per square meter. At the same time, it is necessary to reasonably match the feed composition during the breeding period, and the protein content in the feed can be appropriately reduced to prevent the chickens from becoming obese. After 15 weeks of age, the feed formula should be adjusted again to increase the calcium content of the feed so that the laying hens deposit enough calcium before the start of production. During the breeding period, it is usually fed 3 to 4 times a day. If the chicken population is found to be overweight, the feeding times and feeding amount can be appropriately reduced. Light can affect the sexual maturity of the chicken and maintain 11 hours of light during the breeding period.
3.Management of laying period of Hyline brown-shell hens
During the laying period, the management of temperature, humidity and ventilation can be consistent with the breeding period. At the same time, the amount of egg production can be increased by appropriately increasing the illumination. On the basis of the illumination during the breeding period, the illumination is increased by 1 hour per week until the daily illumination is increased to 15 to 16 hours, and then the maintenance is continued. In a closed house, a 40-60 watt bulb can be used, and the spacing of the lamps is preferably 3 meters. During laying, the laying hen needs a lot of calcium, phosphorus, vitamins and trace elements, so it is necessary to have sufficient nutrition and balance to ensure the best performance of the laying hen. At 19 to 40 weeks of age, the feed formula should contain 57.6% corn, 24.5% soybean meal, 3% fish meal, 2.5% bone meal, 5% bran, 7% shell powder, 0.15% feed additive, 0.15% amino acid, choline. 0.1%. Add 15 to 20 grams of compound multi-dimensional per 100 kg of feed. At 40 to 60 weeks of age, refer to the following formula: corn 60.18%, soybean meal 21.5%, fish meal 2.5%, bone meal 2.5%, bran 5.6%, shell powder 7%, salt 0.35%, feed additive 0.15%, amino acid 0.12% Choline 0.1%. Add 15 grams of compound multi-dimensional per 100 kg of feed. After 80 weeks of age, Hailan brown-shell hens have decreased egg production, and the ratio of feed to egg has been increasing, gradually losing production value, and can be eliminated as commercial chickens. In general, the breeding management of Hailan brown-shell hens is more worry-free, with high returns and good economic returns.
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