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. The diseases of poultry. DISKASKS OF POULTKV. 175 inj;- loose boards and thus uncovering the parasites that the extent of the plague can be appreciated. It should be remembered at all times that the external animal parasites are the most common and frequent cause of trou- ,?#'Sx^^^ hie in the poultry-5^ard and Wii)^^^_ pigeon-cote. If the birds are not thriving and conducting lititiiJi^^aa^, ^^ themselves satisfactorily, look fetaia©:f^ for these pests, take measures I ' ^^^^^! to repress them, and in most ^fi$ti3|M,i cases the results will be sur- / Wj^I^ prising and gratifying. When anythi
. The diseases of poultry. DISKASKS OF POULTKV. 175 inj;- loose boards and thus uncovering the parasites that the extent of the plague can be appreciated. It should be remembered at all times that the external animal parasites are the most common and frequent cause of trou- ,?#'Sx^^^ hie in the poultry-5^ard and Wii)^^^_ pigeon-cote. If the birds are not thriving and conducting lititiiJi^^aa^, ^^ themselves satisfactorily, look fetaia©:f^ for these pests, take measures I ' ^^^^^! to repress them, and in most ^fi$ti3|M,i cases the results will be sur- / Wj^I^ prising and gratifying. When anything is the matter with a Tig. :^.-Me„opo„ ,n. ^orsc the maxim is examine Iiis (Fowls.) y^.^Y, and when anything is found wrong with poultry or other domesticated birds, the maxim should be Uyok for lice. Causation.— The louse ^__ plague is the result of con- tagion. The parasites are introduced upon birds, and ^^^"3^^""^^!^*^x' they multiply and increase to a remarkable extent when the conditions are favorable. ^^ ^^?rf*J^T??r? It has been estimated that ' ^^-;.f,i>l;«,Wa^\ the second generation from a i ^t^^'w'^^i^'V single louse may number twenty-five hundred indi- i' r ^'i viduals, and the third gen- v\;).~Mttwponlatum. t it- (Pig-eons.) eration may reach the enor- mous number of one hundred and twenty-five thou- sand; and all of tliese may be produced in the course. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Salmon, D. E. Washington, D. C. , G. E. Howard & co.
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Keywords: ., bookcentury1800, bookcollectionamer, bookdecade1890, bookyear1899