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Causes and symptoms of chicken black lung disease
Release time:
2021-11-25
Causes and symptoms of chicken black lung disease
The main cause of black lung disease
Chicken black lung mainly caused by the following points:
1. of the virus or infection, so that the chicken lung disease, disease congestion, and then necrosis;
2. caused by environmental factors, excessive density, too small or too large humidity, poor ventilation, and high levels of harmful gases can also cause respiratory lesions. The early stage is unilateral lung redness, lung black purple, with the aggravation of the disease, slowly on both sides of the lung black purple, leading to death.
Pneumonia caused by 3. cold stress cold is the main cause of black lung. As the temperature drops, the humidity decreases, the management error rate increases, the somatosensory temperature changes too much, and cold symptoms appear. If it is not found in time and the best treatment time is delayed, pneumonia, air sacculitis, and even lung blockage will occur.
Susceptible poultry: all kinds of poultry occur, broilers, ducks, 817 and other fast-growing meat poultry disease is serious, laying hens, laying ducks also often occur.
Occurrence season: occurs all year round, with high incidence in summer and winter.
Symptomatic characteristics of chicken black lung disease
Clinical onset can be referred to as follows: 1-15 days of age: air bubbles in air bags, 15-25 days of age: air bubbles in air bags, mucus in trachea, possible blockage, unilateral blackening of lung, 25-30 days of age: unilateral black aggravation of lung, 30-35 days of age: bilateral black lung, 35-40 days of age: bilateral black aggravation of lung.
Chicken black lung is a symptom, so for such a situation, we should first find out the cause, see what kind of disease the chicken has, and then carry out symptomatic prevention and control of pathogens to treat the sick chicken. At the same time, we must pay attention to increase the ventilation volume while ensuring the temperature.
Commonly used drug prevention and treatment: unblocked, plate green particles or qidu Wei, tilmicosin solution, etc.
Product Details
Unblocked (Kexi Pole Qingbi)
veterinary drug name]
Common Name: Doxycycline Hydrochloride Soluble Powder
commodity name: kexi
main ingredient]Doxycycline Hydrochloride
[Sex shape]]This product is light yellow or yellow crystalline powder.
role and use]Tetracycline antibiotics. For the treatment of pigs, chickens, gram-positive bacteria, negative bacteria caused by Escherichia coli disease, salmonellosis, pasteurelloiella disease and respiratory diseases caused by mycoplasma.
Usage and dosage]Mixed drink: 100g of this product is mixed with 400kg of water for 3-5 days.
adverse reaction]Long-term use can cause superinfection and liver damage.
[Note]](1) the laying period of laying hens is prohibited.
(2) avoid taking with high calcium content feed at the same time.
【Name of veterinary drug]]
Common name: colistin sulfate premix
Product Name: Zhongren Gan Qingbi
main ingredient]Colistin
role and use]Peptide antibiotics. It is mainly used for the treatment of intestinal infections in cattle, pigs and chickens caused by sensitive gram-negative bacteria.
Usage and dosage]With this product. Mixed feeding: 0.75~1kg for cattle, pigs and chickens per 1000kg of feed. Use for 3 to 5 days.
adverse reaction]Colistin can be well tolerated by animals when taken orally or locally. Systemic application can cause nephrotoxicity, neurotoxicity and neuromuscular blocking effects. Colistin is less toxic than polymyxin B.
[Note]](1) the laying period of laying hens is prohibited.
(2) the use of overdose may cause renal damage.
(3) This product is rarely absorbed by oral administration and should not be used as a treatment for systemic infectious diseases.
Panqing Granules
【Name of veterinary drug]]
General name: plate green particles
【Main ingredients] Radix Isatidis, Folium Isatidis.
【Traits] This product is light yellow or yellowish brown granules; sweet and slightly bitter.
【Function] Clearing away heat and detoxification, cooling blood.
【indications] Wind-heat cold, sore throat, fever spots.
The wind-heat cold syndrome shows fever, sore throat, dry mouth and drinking, thin white fur and floating pulse.
Sore and sore throat syndrome see straight head, swallowing unfavorable, mouth salivation.
Fever disease spot syndrome: fever, dizziness, skin and mucous membrane spots, or hematochezia, urine blood, red and crimson tongue, pulse number.
【Usage and dosage] 100g of this product is mixed with 200kg of water for 3-5 days.
【Adverse reaction] Used according to the prescribed dose, no adverse reactions have been seen yet.
【Precautions] No regulations.
Qi Du Wei
【Name of veterinary drug]]
Common name: Qiqing Baidu Granules
【Main ingredients] Radix Scutellariae, Polygonum cuspidatum, Pulsatilla chinensis, Sophora flavescens, Radix Isatidis, etc.
【Traits] This product is yellowish brown to tan granules; bitter in taste.
【Function] Clearing away heat and detoxification, drying dampness and stopping diarrhea.
【indications] Damp-heat diarrhea, pullorum disease in chicks.
The evidence shows that fever is afraid of cold, the spirit is depressed, the wings are drooping, the appetite is reduced or abandoned, thirsty and drinking more, white, yellowish or light green feces are discharged, and the feces are adhered around the cloaca. Mouth breathing, death in the shell after 2~3 weeks, more than 3 weeks of age less death.
【Usage and dosage] Mixed drink: 2.5g of poultry per 1L of water.
【Adverse reaction] Used according to the prescribed dose, no adverse reactions have been seen yet.
【Precautions] No regulations.
Tilmicosin solution
veterinary drug name]
Generic Name: Tipicosin Solution
commodity name: hubei
main ingredient]Timicoxing
character]This product is a light yellow to brown red clear liquid.
role and use]Macrolide antibiotics. It is used for the treatment of chicken respiratory diseases caused by Pasteuella and Mycoplasma.
Usage and dosage]Mixed drink: 0.75ml of chicken per 1L of water. 3 days.
adverse reaction]The toxic effect of this product on animals is mainly on the cardiovascular system, which can cause tachycardia and decreased contractility.
[Note]]Laying hens are banned during the laying period.
drug withdrawal period]Chicken 12.
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