name the two types of diseases on eon caused by some external agent and other due to internal disorder of the body mention various causative agents how this type of disease can be prevented
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Mastitis is the disease that affects a large number of dairy cattle throughout the world.
Using antibiotics is not an ideal solution.
Problems associated with resistance or even ineffectiveness are quite real.
AIDS is caused by the hic virus is also the diseases on eon caused by some external agent as well as internal disorder of the body.
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