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Bovine respiratory disease (BRD) is the most common and economically devastating infectious disease affecting beef cattle in the world. [1] It is a complex, bacterial or viral infection that causes pneumonia in calves which can be fatal.
Dictyocaulus viviparus found in the bronchi of a calf during necropsy (arrow). Parasitic bronchitis, also known as hoose, husk, or verminous bronchitis, [1] is a disease of sheep, cattle, goats, [2] and swine caused by the presence of various species of parasite, commonly known as lungworms, [3] in the bronchial tubes or in the lungs.
Permanent lung damage can arise due to one's inability to recognize the cause of symptoms. [5] Farmer's lung occurs because repeated exposure to antigens, found in the mold spores of hay, crops, and animal feed, triggers an allergic reaction within the farmer's immune system. [5]
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In feedlot cattle, a diet containing a high proportion of cereal grain can lead to primary ruminal tympany. [5] The main signs of bloat in cattle are distension of the left side of the abdomen, dyspnea (difficulty breathing) and severe distress. If gas continues to accumulate, the right side of the abdomen may also become distended, with death ...
The main cause of the sweating sickness is an epitheliotropic toxin produced by females of certain strains of Hyalomma truncatum. [4] The toxin develops in the tick organism, not in the vertebrate host. This disease widely spread in eastern, central and southern Africa, Sri Lanka and Southern India.
Continuous touching of the eyes can lead to eye infections like styes, conjunctivitis, or blepharitis. Pharmacist warns against one common hay fever habit that could lead to more serious eye ...
BoHV-1 can cause both clinical and subclinical infections, depending on the virulence of the strain. Although these symptoms are mainly non-life-threatening it is an economically important disease as infection may cause a drop in production and affect trade restrictions.