Selection of green shelled chicken

The breeding goal of this species is to highlight the “Qinwu” (Upper, black bone, and black flesh) quality traits for appearance selection, taking into account the characteristics of the green shell eggs; quantitative traits should be based on egg production, egg weight as the main traits, Take into account both weight and early growth rate. The conditional unit can select the population after comprehensive identification.

1. Selection of roosters: Feather color and feather shape are in line with standards. There is enough weight, the bones are strong, the legs and feet are thick and strong, the toes are straight and uncurved, the chest is wide, the shoulders are deep, the sound is loud, the crown is big and red, and mating. strong ability.

2. Selection of hens: The selected feathers and feathers conform to the standards. The produced eggshells are green and pure, with large and red crowns, back flat tails and tails. The chest and back lines tend to be parallel, the pubic bone spacing is large, and the chest and abdomen are round. The chest muscles are developed, the abdomen is large and soft, and the plumage is late and the moult is fast.

Sterile Powder For Injection For Animal Drugs

Sterile powder for injection, commonly known as powder injection, refers to
the sterile powder or block made of raw materials or suitable excipients for injection
with sterile solution before clinical use. Suitable injection solvent can be used for
injection, or intravenous infusion can be used for injection. All drugs that are unstable
in aqueous solution, such as some antibiotics, penicillins, cephalosporins, some enzyme
preparations, such as trypsin, coenzyme A and plasma, must be made into sterile powder
for injection. It is generally prepared by aseptic subpackage or freeze-drying method.
According to the different preparation process, sterile powder for injection can be
divided into two categories: sterile sub packaged products for injection and freeze-dried
products for injection.

Penicillin For Injection,Cephalosporins For Injection,Powder Injection Ceftiofur Sodium,Ceftiofur Sodium For Injection

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