330 KENNEL DISEASES. 
common in mature dogs. The effects of worms on the nervous systems of 
the latter are manifested by restlessness, periods of excitement without appar- 
ent cause, alternating with dulness and indifference. 
Now will appear the truth of the assertion made in the foregoing, that symp- 
toms positively indicative of round-worms are rare in dogs that have reached 
full growth. Fortunately, however, it is the rule to assume that they are pres- 
ent in dogs that have fallen out of condition without assignable cause, or are 
suffering from obscure attacks of illness; and this is to be commended and 
encouraged, for they are so frequently the victims of worms, experimental 
treatment cannot often hit wide of the mark; and worm medicine judiciously 
chosen is never likely to do any harm if given when not required. 
Symptoms of the complications which may occur in consequence of worms 
migrating from the intestines are never sufficiently distinct to admit of positive 
diagnoses. In many instances, however, the troublesome intruders come to 
light. As previously stated, when they invade the stomach they are generally 
expelled by vomiting ; by gagging or coughing if in the throat; and by sneez- 
ing if in the nasal passages. Whenever jaundice attacks, the possibility of 
worms being the cause of the obstruction to the bile would naturally suggest 
itself, and especially if they had been found in the intestinal discharges; but 
excepting in cases of a whitish vaginal discharge, their presence in other un- 
usual situations would scarcely be suspected. 
Although puppies only two or three weeks old, and even younger, some- 
times exhibit symptoms of worms, it does not by any means follow that all 
about that age are likely to be infested. Indeed, as already urged, if an expect- 
ant dam be properly treated before whelping, her quarters kept thoroughly 
clean, and other precautions taken to prevent her puppies from becoming vic- 
tims, it is fair to assume that the chances are that they will not suffer seriously 
from worms for perhaps several weeks after they have been weaned. 
As for dosing nursing puppies with vermifuges, it should not, as said, often 
be necessary under right management. But very generally between the fifth 
and seventh weeks disturbing symptoms appear, and even the fortunate breeder 
whose little ones have seemed to have escaped worms, usually deems it advis- 
able to administer a vermifuge as early as the eighth week, fearing to delay in 
the face of the important truth that at that age the great majority of puppies 
have become infested. 
Notwithstanding the liability and danger of early infection are all that 
breeders believe, such an iron rule is open to objections. For instance, were 
the dam the sole pet of her kind in a family, or had she no more than one or 
two mates, and none were quartered in kennels, but all had places by the 
kitchen fire, and there the whelping occurred, and she and her puppies had been 
kept until the weaning, then to apply this rule and dose for worms in the ab- 
sence of any symptoms would scarcely be advisable, for the chances are many 
