Jimttttehgo i·lyrit·1t//1tru/ ]J.1'[)(’)'tIIl(’}l{ Station- lt)
ie from forty to eighty days after breeding. The sow and the
e- three gills were bred again to the same boar, the sow aborting
at three tintes and the gilts twiee. Three inonths following the
last abortion, the sew and the gilts were i1gilll1’lJl;C(l to the
M saine boar and all gave birth to normal litters of pigs. The
St results in the last herd mentioned would seein to indieate that
i swine do not beeonie resistant to abortion infection following
lll one abortion, as is generally believed, but do beeotne resistant
ll alter the seeond and third abortions. Further, if he1·d No 5
lu eau be taken as a tair eheek on the herds which were vaeeinat—
lc ed, then_ vaeeination as a preventive tor this disease would
lll seein to be well worth the trouble and expense involved in its t
lll adtninistration.
te ·
or Eifect of Stale Buttermilk on Growing Pigs. Two ex-
H- l peritnents were eondueted to aseertain it buttertnilk eould be-
,t’ < eotne too stale for hog· lleed. lt was found that butterntillt
.1} exposed to the sunls rays all day for twenty-live to thirty
t-S days during the sunnner did not ntaterially atteet _the hogs`
lg appetite l'or the ntilk, altho on aeeoulnt ot its odor it was very
O. disagreeable tor the teeder to handle. This odor would at
rt first lead one to believe it to be that of deeontposition in whieh
.j_ it would be alkaline in reaetion. On the eontrary it was t`ouud
.,1 on testing with standard alkali that it was more arid than »
td iiresh buttertnilliy the satnples ot fresh butterniilk averaging
(§_ .lU8Q} laetie aeid, whereas the stale l}lIl'l'(‘l`llllll{ averaged .954%
M_ laetie aeid. The baeterial eount iuereased trout 7,5()(),t)t)() per
,y e. e. in the fresh butterntilk to l2—l_¥lO0,000 per e. e. in the stale
]._ butterinillq.
.(t ('orn supplemented with stale butterntilli prddueed an
-0 V ?lV(‘l`2l§l'1* daily gain in the first experintent ot' LBS pounds per
at pig and in the seeond experitnent, 1.42 pounds per pig.
.\. The feeding oll stale butterinilk to hogs, in. preterenee to
if fresh butterntillc, is not advoeated. The eontinuation ot the
.11 experitnent was due to some reports that stale butternt.ill< had
in fl had et`l'<·t·j* on the pigs, Front the results ol' these experi-
,0 ntents, the trouble reported ntust have been due to some eause
W] other than the stale buttertntlk.