Why Do Pigs Cough? Several Common Diseases Pig Farmers Should Know About
Why Do Pigs Cough? Several Common Diseases That Cause Coughing in Pigs! Pig Farmers, Save This!
So what diseases can cause coughing in pigs? Today we will walk you through several common diseases that can cause coughing in pigs
1. Pneumonia
Pneumonia caused by swine influenza is usually acute. The incidence of enzootic pneumonia in susceptible herds may be subclinical, but it can eventually spread rapidly to many sows, causing severe disease.
Chronic respiratory disease is the disease with the greatest impact on the profitability ofpig farms. Affected pigs show reduced feed intake, slow growth, lower feed conversion rates and increased mortality in some pigs.
Effective control of this disease requires an understanding of the complex relationship between the pathogen, the pig and the environment. When a herd is first affected, if effective control is not achieved, the disease will be severe and may even cause death.
2. Swine rhinitis
Swine rhinitis is a common respiratory disease in pigs aged 2 to 5 months. The main signs are nasal congestion, sneezing, difficulty inhaling and snoring. At feeding time, you can see pigs stop after a few mouthfuls to take deep breaths.

3. Swine cold
The common cold is an acute systemic disease caused by cold stimulation, with inflammation of the mucous membranes of the upper respiratory tract as the main symptom.
Clinical signs include elevated body temperature, coughing, watery eyes and a runny nose. It can occur in all four seasons, but is most common in early spring and late autumn when the weather is changeable, and piglets are most frequently affected.
⟧ 4. Swine metastrongylosis
Swine metastrongylosis, also known as swine lungworm disease, is caused by Metastrongylidae and circadian nematodes parasitic in the bronchi and bronchioles of pigs, and is aparasitic disease. Because the worms are thread-like and parasitize the lungs, it is also called lungworm disease or pulmonary nematodiasis.
The disease mainly harms piglets, causing bronchitis and pneumonia, affecting the growth and development of piglets, lowering meat quality, and when the infection is severe, it can cause the death of large numbers of piglets, bringing certain losses to the pig industry.
5. Swine infectious pleurisy
It can infect pigs of different ages and sexes, with 3-month-old piglets being the most susceptible. It is mainly spread through airborne droplets, and contact transmission is most likely under intensive housing conditions.
Outbreaks are easily triggered by harsh weather conditions and long-distance transport, and spread between herds is mainly due to the introduction of carrier pigs or chronically infected pigs.
6. Swine influenza
Swine influenza is an acute, highly contagious infectious disease of pigs. It is characterized by sudden onset and rapid spread, with the main symptoms being upper respiratory tract infection. When the illness drags on for too long, affected pigs are also prone to secondary Haemophilus parasuis infection.
Therefore, this disease requires strengthened feeding management and regular disinfection, and affected pigs should be detected early and treatedearly。
7. Aspergillus pneumonia in pigs
Cause: Summer and autumn are the peak periods for Aspergillus pneumonia. Among many scatteredpig farmers, newly purchased commercial piglets develop symptoms such as coughing, sneezing, wheezing and difficulty breathing after 5 to 7 days of feeding.
Investigations found that the pig pens of all the dead pigs with the above symptoms shared one common feature: the pens were low, damp and poorly ventilated, with a thick layer of mold on the surrounding walls.
The pens were not disinfected before the pigs were introduced. After the piglets entered the pens, mold from the walls entered the body through the respiratory tract (nasal cavity) and digestive tract (licking), causing infection of the respiratory system and the onset of disease.
8. Swine enzootic pneumonia
Swine enzootic pneumonia (also known as asthma or enzootic pneumonia) is a chronic respiratory infectious disease caused by Mycoplasma hyopneumoniae, with the main symptoms being difficulty breathing, coughing, sitting-type breathing, reluctance to move and loss of appetite.