Kelp is rich in iodide, minerals and vitamins are good feed additives for poultry. Feeding chickens with 5% kelp powder in the hen's diet can increase the fertilization rate of the eggs by 28% and the hatching rate by 14%. Adding 2% to 6% of the kelp powder to the feed of the hens can increase production. The egg rate increased by 6.26% to 14.38%, and the iodine content of egg yolk increased by 7.29% to 19.57%. According to another report, the addition of 2% to 4% kelp powder to the black phoenix chicken diet can increase the survival rate of the chicks by 10% and increase the weight by 280 grams at 10 weeks of age. Ducks fed 2% to 4% kelp powder to the ducks in the diet can increase the survival rate by 6% to 9.6%. The 7-week-old body weight increased by 204 to 263 grams, and the feed conversion rate was significantly increased. Adding 3% of kelp powder to the diet can increase the survival rate of ducklings by 8%. Adding 5% of kelp powder to quail feed can increase the egg production rate by 5.1%, the mortality rate by 0.7%, the secondary egg rate by 2.3%, and deepen the egg yellow color. Adding 5% of kelp powder to quail feed can increase the egg production rate by 8%, the mortality rate by 10%, and the secondary egg rate by 8%. Hi,guys!Intelligent door lock is different from traditional mechanical lock on the basis of improvement, in user security, identification, management more intelligent and simple lock. Intelligent door lock is the executive component of door lock in Access Control System. Indoor Smart Fingerprint Lock,Mini Size Fingerprint Lock,Smart Home Lock,Smart Locks Padlock ChangChun E-vida Technology Co.,ltd , https://www.evidatech.com
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Magnetic card, RADIO frequency card (non-contact, high security, plastic material, configuration and carry more convenient, low price)
Mature technologies for using non-mechanical keys as user identification ids, such as:
Fingerprint Lock, iris identification access control (biometric, high security, no loss damage; But inconvenient to configure, high cost)
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