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In the process of raising chickens, there are six stages during which chickens are most susceptible to diseases. These stages include:
1. Chick Stage (Before 7 Days Old)
Susceptible Diseases: Colibacillosis, Mycoplasma infection, Salmonella infection, and glandular and muscular gastritis.
Causes: The chick's immune system is not yet fully developed, making it less resistant to diseases.
Preventive Measures: Strengthen feeding management to ensure that chicks have a clean, warm, and well-ventilated environment. Use antibiotics or vaccines for prevention and treatment, but only under the guidance of a veterinarian.
2. Beak Trimming or Immune Stress Stage (Around 12 Days Old)
Susceptible Diseases: Respiratory diseases.
Causes: Beak trimming or vaccination may cause stress, leading to a decrease in the chicken's immunity and susceptibility to respiratory diseases.
Preventive Measures: Ensure that beak trimming is performed properly to reduce stress; strengthen immune management to ensure the effectiveness and safety of vaccines.
3. Coccidiosis and Enteritis Stage (Around 20 Days Old)
Susceptible Diseases: Coccidiosis and enteritis.
Causes: Humid feeding environments and poor hygiene conditions can lead to the proliferation of coccidia and bacteria.
Preventive Measures: Regularly check feces for coccidia infections. Use coccidiostat drugs for prevention and treatment, while improving feeding environments to reduce the occurrence of enteritis.
4. Immune Suppression and Mycotoxin Stage (Around 35 Days Old)
Susceptible Diseases: Viral diseases.
Causes: Immune suppression reduces the chicken's resistance to viruses, while mycotoxin exposure can exacerbate disease occurrence.
Preventive Measures: Strengthen feed management to ensure that feed is fresh and free of mold. Regularly assess the immune status of the flock through immune testing.
5. Mycoplasma Synoviae Infection Stage (Multiple Age Ranges)
Susceptible Periods: 25-30 days old, 55-60 days old, 85-90 days old, 115-120 days old.
Preventive Measures: Use Mycoplasma synoviae vaccines for prevention, or treat with antibiotics under the guidance of a veterinarian.
6. From the Start of Lay to Peak Production Stage
Susceptible Diseases: Atypical Newcastle disease, mild influenza, egg drop syndrome, Mycoplasma synoviae, salpingitis, rectal prolapse, cannibalism, and new hen disease.
Causes: This is the period of the greatest physiological changes in a chicken's life, with the worst resistance to diseases.
Preventive Measures: Strengthen feeding management to ensure that the flock has sufficient nutrition and appropriate environmental conditions. Use antiviral drugs, immune enhancers, and other treatments for prevention and treatment, while strengthening vaccine immunization.
In summary, during the process of raising chickens, close attention should be paid to these six stages. Strengthen feeding management, regularly monitor health status, and use drugs and vaccines reasonably for prevention and treatment to ensure the health and productivity of the flock.