10 
BULLETIN 642, 
U. S. DEPARTMENT OF AGRICULTURE. 
ples from the small-top pail from 2,100 to 60,000 per cubic centi- 
meter. 
account of the dirty condition of cows and barn floor. 
It is quite remarkable that the counts were not higher on 
TABLE 2.—Bacteria per cubic centimeter in dual samples of fresh milk produced 
under conditions described in Hxperiment No. 2. 
Sample} Open Small- Sample| Open 
Date No. pail. top pail. Date. Nae pail, 
1915 1915 
Sept: 14, 'asmes2). 222: 1 20, 000 9) 000||"Sept. 25; ps mss --25- 20 5, 000 
Septalovasmes ess: 2 40, 000 205 000))|| Sept. 2/,aa Mase =e 21 55, 000 
Sept. 15, psmel!. 2.2! 3| 25,000] 11,000 || Sept. 27, p.m......... 22} 12,000 
Se DUG) aurea es pee 4 13, 000 16Z000 |i Sept 28) a= mae = aoe 23 36, 000 
HEP tsG; ip awisers oe 5 10, 000 3,500" || Sept) 28: ip. ma=-- 222 - 24 4,100 
Septsi7, avmsse: sie 6.|.. ‘12:600:|) 235000 || Sept: 29,ampee i 25 | 25,000 
SeDpish7, Pelee a ee 7 5, 600 2,400 || Sept. 30,'a. m-..--...-- 26 14,000 
Septe18) as nase se 8 10, 500 A5: 000) || Sept 30) pate aoe 27 9, 000 
Septa20 aati ses 9 75, 000 3550008)| -Octs 1a ama 28 11,000 
Sept: 20; piams25. 2: 10 4,500 3:200) || Oct: pemiee senna 29 | 65,000 
Sept. 21, a. m_....22:- Wfs|, 32,000" |" 1 24000ul | kOcts > asain 30 | 80,000 
Sepiazls pee ee 12 5, 600 25500) OCta4aasgtt eee eens 31 40.000 
Sept. 225 asin ee 13 7,500 358007|| (OCty 5 aaa eee 32 18, 000 
Septs 225s Wee 14 14, 500 22600) || OCi 5 spats eee 33 15, 000 
Sept.23,,2. 1022522 © 15 1) 16,000 | 19,.500)|| Octi6, a: ame he eeaee: 34 | 60,000 
Sépt: 23spaie 16 2,500 F300 ik Oet. bsp tiles een eeee 35 | 25,000 
Sept. 24a5m sos 522 17 18, 000 TAR O0O)| |ROCH ace ane ae 36 8, 500 
Sepia2 4p sm 18 5, 600 2,100 — 
HOpts 20,2. Mao 32s 19 16,500 7, 200 Averages:>< 5223) .35f558 22,677 
PITT LAL LP2EDP OLA CO CL AVI DIET LSP 
SRS 
PRSF RR Ss Ss S83 sss 
DYALE ‘ 8 SEAS 8 N 
FIG. 
“VE e 7 [ae ee 
ISAAANAS ANAANKSN NSA 
SUS 
oe ISSANA pS \ANNS Sa SSS SS PUSS YSIS SSASASASY 
SF SANNA ISANAN = a — 
KANSANS AAA ad 
aaa 
NAAANS ane 
A= asst ae Zan RE EG 
2. 7 RASS aS ee rel ea Pd fae i ee he 
a. ance 
(ees 
2s KANAASAANANS ew a Re = pb MJ 
ome] [| | 
7. ‘4 ARRAN AWRAT: Fa PA ASAY ae pal mw 
2 =, 
Ves ERRWOAN 
& (4 = | | a 
xz (5 ETRE NAAAN Sue 
vome | | 
4. Pe ay NASA = AAA 
13 | 
1g —— ieee 
= O ee 
Baar PIAA SASS AT = == a LIAB LBBB ABABaULLBese 2 . ASSA3 
= RSSSY =| er 
da pao 
ees BA 
SSeS 
= cae 
Mae A 
Experiment No. 2. 
Small- 
top pail. 
5.—Bacterial content of milk from sterilized open and small-top pails during 
