The book Grouse Disease was written by author A E Arthur Everett Shipley Here you can read free online of Grouse Disease book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Grouse Disease a good or bad book?
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The second disease which the Inquiry has found responsible for grouse epizootics observed between 1905 and 1910 is one to which Cobbold drew attention in 1873, though he attempted little in the way of pathological investigation. According to him it is caused by the presence of a round worm now known as Trichostrongylus pergracilis, in the caeca. We may call the disease " Strongy- losis of the grouse. " The worms are minute, transparent, very slender, a little less than half . An inch in length,... and they may exist in enor- mous numbers, 10, 000 occurring in the two caeca of one bird. They are about equally divided between the two blind-guts. We may recall the fact that in the grouse the caeca are of unusual size, and that in these birds the digested food is absorbed in this region of the alimentary canal alone. Birds heavily infected with T. Pergracilis show an inflammation of the walls of the caeca, the contents consist of dry masses very adherent to the walls, and to these hard masses at one end and to the mucous lining at the other the worms adhere.
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