This affection--technically known as phthisis pulmonalis--is the

termination of chronic disease of the lungs. These organs become filled

with many little cysts, or sacks, containing a yellowish or

yellowish-white fluid, which in time is hardened, producing a condition

of the lungs known as tuberculous. These tubercles in turn undergo

another change, becoming soft in the centre and gradually involving the

whole of the hardened parts, which, uniting with adjoining ones, soon

forms cysts of considerable size. These cysts are known as abscesses.

No treatment will be of much service here. It is, therefore, better, if

the animal is not too poor in flesh, to have it slaughtered.

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