. Diseases and enemies of poultry . l (17) 18 low llie birds a (lusliug J)1ucl and if the parasites arevery nmueroiis insect powder or sulphur should bemixed with the dusi and when the fowls scratch andburroiw in this i^owder it enters the spaces between thefeathers, reaches the skin and so obstructs the breath-ing openings on the surface of the flea that it finds theconditions very disagreeable and becoines stu])efiedand falls off or goes insect powder can beblown by means of a powdergun or blower between thefeathers of the alflioted is also necessary to sotreat the roosting p
. Diseases and enemies of poultry . l (17) 18 low llie birds a (lusliug J)1ucl and if the parasites arevery nmueroiis insect powder or sulphur should bemixed with the dusi and when the fowls scratch andburroiw in this i^owder it enters the spaces between thefeathers, reaches the skin and so obstructs the breath-ing openings on the surface of the flea that it finds theconditions very disagreeable and becoines stu])efiedand falls off or goes insect powder can beblown by means of a powdergun or blower between thefeathers of the alflioted is also necessary to sotreat the roosting places,nests and poultry housesthat the fleas will be eitherdestrojed or driven away, liecause if this is not donethey return to the birds as soon as the dust is shakenfrom their feathers. Disinfection can be accomplishedby spraying the interior of the building with a solu-tion of carbolic acid (one part to twenty parts ofwater). Or a kerosene emulsion, such as is used forspraying fruit trees, can be employed for the same pur-l) Head op the Chicken times natural size. 2. LTOE. Bird lice differ considerably from the ordinary liceof haired animals. They do not suck blood as thosedo and cannot, for they are proyided with a mouth 19 that ouh eiables llioin to bite. Tliey live on thecrusts, scales and dead cells that gather on the surfaceof the skin and that are prevented from falling off bythe featliiers. There are several vaiieties of lice belonging to fourprincipal genera: these are Goniodes, Goniocotes, Lip-eurus and Menopen. While these parasites differ eon;siderably as regards their shape and size they resem-ble each other very closely in their habits. All ofthem are very small insects, from 1-100 to Id inclil&ng and their bodies are plainly divided into threeI)arts; the head is very large and fiat, the thorax, orsecond segment, is roundish and considerably smallerthan the head; the abdomen, oimost posterior segment, is long,oval and plump. Their coloris usuall
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectmam
