Spring egg hen feed must master the supply of nutrients, too much or too little will affect the laying rate of laying hens.
1. Changes in energy demand After the spring temperature warms up, the energy feed will increase the weight of the chicken, which will not promote the chicken laying, but reduce the egg production rate. By reducing the metabolic energy to 2,700 kcal, the egg production rate of the chicken can be significantly improved. The method to reduce the metabolic energy content of chicken feed is mainly to reduce the proportion of corn and other grains in the chicken feed guess.
2, changes in vitamin demand With the increase in egg production rate in spring, you need an appropriate amount of vitamin supplements.
3. Changes in mineral needs As the egg production rate progresses, the demand for minerals by hens also increases. If the chicken feed is deficient in calcium, the chicken will have soft shell eggs, shellless eggs, and even eggs. Therefore, at this time, the calcium content in the chicken feed should be improved from 2% to 3% to 4%, and the phosphorus content should be improved from 0.5% in winter to 0.6%. If the chicken is found to have poor appetite, the amount of salt in the chicken feed should be increased to 0.1%, and some mineral feed additives should be added as appropriate.
4. Changes in protein requirements When the egg production rate of chickens reaches 50%, the protein content should reach 15.5%. After the chicken egg production rate increases by 10%, the digestible protein content in the feed should be improved by 0.5%, but not more than 18.5%. The method is mainly to add more fishmeal, bean cake and the like.
The vibration of the object produces sound → sound waves are transmitted in the air, → Soundproof Insulation Fiber Glass Wool,Heat Resistant Rubber Insulation Cotton → sound waves are reflected, superimposed and collided by countless fibers when passing through cotton, and sound energy is converted into heat energy → sound intensity is weakened → sound disappears. The transmitted sound energy is attenuated to 3 / 10 ~ 4 / 10 or less of the incident sound energy.
Soundproof Insulation Fiber Glass Wool,Heat Resistant Rubber Insulation Cotton,Water-Proofing Sound Insulation Cotton,Energy Saving Sound Insulation Cotton
Zhengzhou Ou Nuo Building Materials Co., Ltd. , https://www.jcyuounuo.com