A proper vaccination schedule is essential for chickens. Vaccinations should be administered on time, following the recommended immunization program before the breeding period. It is not advisable to vaccinate during the laying phase, as this can cause stress and negatively impact egg production.
Second, avoid sudden changes in the flock. Sudden disturbances or overcrowding can create stress among the chickens, leading to issues such as soft-shelled eggs or eggs without a yolk. This can significantly reduce the overall egg production rate.
Third, avoid breaking the cycle of egg-laying. The peak laying period usually occurs around 8-9 days after the start of the laying cycle. If the laying pattern is disrupted due to insufficient lighting or delayed feeding, it’s important to adjust or supplement during the growing phase. Never interrupt the laying process during the actual egg-laying period.
Fourth, never deprive hens of water. Studies show that if hens are deprived of water for 24 hours during the laying period, their egg production can drop from 80% to 30%. Rebuilding that level of production can take up to a month. Ensuring a constant supply of clean, fresh water is crucial for maintaining high productivity.
Fifth, avoid frequent changes in feed formulas. Laying hens require a stable diet during the laying period. Frequent changes in feed can cause stress and lead to a decline in egg production. Consistency in nutrition helps maintain optimal performance.
Sixth, avoid reorganizing the flock during the laying period. Any adjustments to the group, such as moving or separating birds, should be planned well in advance. During the laying phase, activities like catching, transporting, or changing environments can greatly lower egg production due to stress.
Seventh, avoid unstable temperatures. The ideal temperature for a chicken house is between 13°C and 18°C. Extreme temperatures—either below 5°C or above 20°C—can weaken the immune system and directly affect egg production. Reports indicate that when temperatures deviate too much from this range, the drop in egg production becomes more noticeable.
Eighth, avoid unnecessary injections or handling. During the laying period, any form of physical intervention, such as catching or injecting, can cause stress and disrupt the laying cycle. Minimizing human interaction and keeping the environment calm is key to maintaining consistent egg output.
By following these guidelines, poultry farmers can ensure a healthier, more productive flock while avoiding common pitfalls that can reduce egg production and overall chicken health.
Cannulated screw is a common internal fixation device in orthopedic surgery.
Working process
During the operation, the Kirschner wire with the hole matching the hollow screw is first drilled into the bone of the fracture site, and then the hollow screw is screwed into the fracture site through the guidance of the Kirschner wire. Finally, the Kirschner wire is pulled out to complete the fixation of the fracture site. In many cases of fracture of the neck and femur, the healing cycle is long, and it usually takes about 30 months to remove the cannulated screws. At this point, the bone and the surface of the cannulated nail are closely connected and firmly connected in the nail path, which leads to defects easily generated by conventional nail removal methods, causing secondary injury at the fracture healing site and causing pain to the patient. Percutaneous cannulated screw internal fixation for femoral neck fractures has the advantages of small trauma, good healing, low rate of femoral head necrosis, and good stability.
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