. The dog as a carrier of parasites and diseases. Dogs as carriers of disease; Dogs. PAEASITES AND PAKASITIC DISEASES OF DOGS 15 Dalmatian, Caucasian, or Oriental insect powder), allowing it to remain on for half an hour or so, and then combing or brushing it out, with the dead and stupefied lice, on to a newspaper, the paper, lice, and powder then being burned. This treatment must be re- peated a number of times m order to keep down the lice. Other powders, containing sUch insecticides as naphthalene, sulphur, and tobacco, may be used in the same way. Experiments indicate that derris powder,
. The dog as a carrier of parasites and diseases. Dogs as carriers of disease; Dogs. PAEASITES AND PAKASITIC DISEASES OF DOGS 15 Dalmatian, Caucasian, or Oriental insect powder), allowing it to remain on for half an hour or so, and then combing or brushing it out, with the dead and stupefied lice, on to a newspaper, the paper, lice, and powder then being burned. This treatment must be re- peated a number of times m order to keep down the lice. Other powders, containing sUch insecticides as naphthalene, sulphur, and tobacco, may be used in the same way. Experiments indicate that derris powder, when fresh, is effective for the destruction of lice on dogs and cats. It is used in the pro- portion of 1 part of derris to 2 parts of flour or corn starch, the mijrture oeing thoroughly dusted into the hair. Pyrethrum powder also may be used for the destruction of lice on cats. As previously stated, coal-tar creosote preparations or other preparations containing phenol should not be used on cats. When onljr biting lice are present they may be destroyed by dusting sodium fluoride into the hair and leaving it on, the animal not being washed for the ne^t 10 days. One appli^ cation will usually destroy all the lice. The animal should be prevented from lick- ing itself, as 1 gram (about one-fourth tea- spoon) of sodiiun flu- oride will kill a dog of average size. This chemical is not of value against sucking Uce. FLEA INFESTATION Cause.—In the United States there orp frnTT QnppiAG nf Figure 12.—The dog flea, Ctenocephatus canis. Female. Lateral are lOUr species _0I ^j^^ Enlarged. From Martini, 1923. fleas which are ot in- terest as parasites of dogs and cats. These include two very similar species, called respectively the dog flea, Ctenocephalus canis, and the cat flea, C Jelis, the other two being the common human flea, Pulex irritans, and the sticktight or chicken flea, EcMdnophaga gallinacea. The dog flea (fig. 12) appears to be the most common flea attack- ing dogs and peo
Size: 1740px × 1436px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
