Breeding points for raising chickens must pay attention to the following points:
1, pay attention to the stocking density black chicken slower than other chicken species, so we must ensure that the appropriate density. The specific density requirement is: The average body weight at 30 days is 180 grams. The rearing density of the brooding period is: 60 eggs per square meter from 1 to 10 days of age, 40 eggs from 11 to 20 days, 30 eggs from 20 to 40 days, 18 eggs from 40 to 60 days, and 12 eggs per square meter thereafter. only.
2, pay attention to feeding and management of black-bone chicken, because of its feeding purposes are different. Therefore, in its feeding and management, according to its different feeding purposes, pay attention to the following points:
A kind of chicken body condition requirements: black bone chicken in the rearing period, if it is as a reserve breeder, in addition to ensuring that the nutrition should be comprehensive, but also pay attention to prevent over-fat, so as not to affect the production performance of the production period.
2 Product Condition Requirements for chickens: During the rearing period of black-bone chickens, such as commercial medicine or black-bone chicken, do not limit feeding, and use high-energy and high-protein feeds to feed and fertilize. Generally, when the feeding age is 100 to 150 days, the body weight can reach 0.75 to 1.2 kg, which can be used for sale by pharmaceutical factories and foreign trade, or for general meat chickens to be listed.
3 Prevention of crossbreeding: Strengthen breeding of reserve species of black-bone chicken to prevent hybridization with other chicken breeds, resulting in mixed breeds to ensure the purity of black-bone chickens and the economic benefits of rearing.
The screw system contains cortical screw, cancellous screw and Cannulated Screw. Torx and Hex pattern are available. The material is Alloy Titanium or Stainless Steel. The screw use asymmery thread to increase the holding force. Locking screw use four-thread design for quick screw fixing. The screw has self-taping and self-drilling features.
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