The Washington times., 1903-12-17
Experiment Shows How
Care Must Be Observed.
ONE ANIMAL INFEcTS MANY
Report of DR.. Salmon Suggests Amend
ment to Law Governing the Sale
of Renovated Butter.

NeANA-'o NbtAAittu AAOIl tdlllt. aCCOTu-
ing TO the annual report of DR. d. e.
Salmon. chief Of the Bureau of Animal
Industry. of the Agricultural Depart
ment. which has just been made public.
The two cultures were obtained from
children who died Of tuberculosis.
The results show that of nine freshly
Isolated cultures of human tuberculosis.
from various sources. two were fully
equal 10 a freshly isolated bovine cuI-
ture In their pathogenic power for cat
tie, and, in addition. possessed no cul-
tural or mOrphological characters suffi-
ciendy marked or constant to permit Of
e distinction being made between them
and the organism of bovine origin" are
the terms in which the report states the
results
The work of the bureau in the tuber-
culOsis experiments Is Of interest. in
view Of the controversy which has been
waged over the possibility of cows af-
fiicted with tuberculosis conveying the
disease TO those who drink their milk:
but the object OF the bureau was more
TO determine whether cattle can be pro-
tected against tuberculosis by inoculat-
ing them with attenuated germs from
human beings. DR.. Salmon says the ex-
periments are still under way. and
there is hope that important discoveries
OF great value 10 dairymen and cattle
raisers will be made.
Speaking of the rapidity with which
tuberculosis will spread among cattle.
DR.. Salmon says:
Thee Infect Herd.
''Onc experiment made at the station
deserves special attention. In a stable
containing 10 box stalls. with high Pinch
plank walls. healthy cattle were con-
fined with tubercular cows Two of
The healthy cattle occupied the same
stalls constantly and frequently occu-
pied stalls previously used by the
tubercular cattle. After six months
of the healthy cattle had contracted
tuberculosis.
'I'he seventh animal. which, escaped.
had received vigorous preventive treat
merit before il was exposed. The . ami
mais which at no time entered the stalls
infected directly through being occu-
pied by diseased cattle were among the
animals which became affected
This experiment shows the great care
which must be exercised against the in
PRODUCTION of tubercular cattle into
healthy herds. and that a healthy herd
may become entirely tubercular, if the
proper precautions are neglected, in a
very short time.
There lives hardly man with soul so
dead To the Joys Of rural life that he
does not cherish the hope of some day
accommodating a competence and settling
down with a wife to spend his declining
years as a chicken rancher For that
reason the statements Of DIR. Salmon
about the comparative values Of chicken
iced are interesting. Quarters and half
dollars are preferred as chicken feed"
In newspaper Offices, but the doctor
says Of the kind that goes to Shanghais
and dominicker biddies corn is more
assimilable that wheat or oats, and the
use Of corn alone has given more salts
faction than the use Of wheat or oats
alone. This appears to be partly due to
the fact that II is more palatable, though
the learned doctor does not explain how
a chicken could have any choice in
tastes when it swallows it's grub in one
gulp, and has few. if any, nerves of
taste. A bulletin on the feeds has just
been prepared, and will be issued in a
short time.
Hookworm in Man.
In the opinion OF DR.. Salmon the most
important work Of the bureau in the
year was the demonstration Of the frc-
quency Of the occurrence OF the hook
worm in man. In fact. new species OF
rope. exists in this country. This was
first discovered by the experts Of the
bureau II has been found especially
prevalent among the natives of ths.
sandy country in the South Atlantic
States. and 10 it has been attributed
the sniitiess dispositions and imperfect
physical development of people in back
woods districts OF those States.
II is recommended that the present
laws regulating the sale OF renovated
butter be so amended that retailers can
be punished for selling this butter with
OUT plainly showing what II is. There
Is defect in the present law. which
prescribes with great rigidity the duty
OF the manufacturer in selling the but
ter. but fails TO point out clearly what
should be done to the retailer who de-
ceives the public
The Dairy Industry.
Speaking OF the future Of the dairy
Industry. the doctor says
The annual product Of the 1900 600
dairy cows has a value OF about $500
oOe.oOO. The opportunities for improve
ment are manifest at many points. II
the average cost of maintaining a cow
could be lessened by intelligent economy.
or the average dairy product slightly
increased I'm quantity by rational treat
ment. or the average quality Of
dairy products raised little By i'm
proved methods OF practice. the aggre-
gate additional profit would be very
great.
For example. one-third OF all the
butter produced in the United States Is
made In creameries and two-thirds on
farms. The former, by reason OF higher
average quality, has a value OF at least
cents per pound greater than the hat
ter. II one-half the butter now made on
farms could be made In creamerfes or
IN any way TO make IL as good as aver
age creamery butter. the increased in
come TO this third Of our butter pro-
ducers would amount 10 SIS. 900. 900 a
year
Again, If the average municipal milk
supply could be but slightly improved
IN quality and sanitary condition and the
service correspondingly improved, the
igain IN the comfort and health Of mill
lions Of people would be beyond meas
furement by dollars. Such improvements
sare entirely practicable and compare
lively easy OF accomplishment IN the
accomplishment OF them the dairy III
vision strives ia