Publisher's Synopsis
Excerpt from The External Parasites of Hogs: Being Articles on the Hog Louse (Haematopinus Suis) And Mange, or Scabies, of Hogs
In most of the published works on hogs and the prevention and treatment Of their diseases the subject of external parasites is disposed of within the brief Space Of one or two pages, and the very short notes given on the prevention and destruction Of these pests are no doubt due to the tendency to underestimate the economic importance of these parasites, for the reason that the injurious effects they produce are not always recognized as being of parasitic origin. The poor condi tion of health and stunted growth of some droves of hogs in a locality where other herds thrive on practically the same food and care is very frequently Observed, particularly among young animals. This unhealthy condition may result from various causes. Observation and experiment, however, have demonstrated that not infrequently the trouble is to be traced to the presence of parasites on the skin of the animals. These parasites produce a diseased condition Of the skin, annoy and irritate the hogs, and, in spite of excellent care and good food provided for them, interfere with the general health and growth Of the animals. The injurious effects have been known to become so severe as to cause death to young pigs.
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