48 
BULLETIN 642, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE 21.—Ratio of bacterial growth in milk produced under condition 1 when 
held at 4.4°, 10° 
and 15.0. °C. (40>, 507 ‘and 60- F.). 
Sample No. 
IAVORALO tice ea te, 31 ee 
1 Bacterial count less than initial count. 
Nl l 
Tempe Fresh. | 24 hours. 48 hours. | 72 hours. | 96 hours. 
1 10 0 a ead Ghee 4.11 6. 02 
1 ee 1.05 1. 28 1.89 
1 1.08 | 1.09 1.20 1 
1 0 0 0 0 
1 1.25 | 1.12 0 3.40 
il 0 : 0 2ASilamaseeeeee 
1 One| Oo ilies a Joe 1.16 
1 1.27 | site pins neieate 1.03 2.30 
1 aes ee ae 1.21 125 2.23 
44°C. 1 1.05 | 1 1:38.) 5. ee ae 
(40°F.). 1 1.89 | i835) 2.58 4.66 
1 0 eae 2.21 5. 38 
1 0 1.02 1.10 1.38 
1 1.43 1.56 PEAY 1.46 
1 iy 2.02 11.91 32.05 
1 1.09 1.04 cD = Se es see 
1 0 J We Ks pete eee ae He! 
1 UO ee FV 4.35 1. 28 
1 Rel Nira eal 0 0 0 
1 1.28 1.09 | 1:95. See 
ce er fy Fa 1.25 1.21 2. 66 5.10 
1 1. 82 2.34 1, 285.7 9,942.8 
% 1 2.08 8.05 | 544.9 13, 913 
if 1.70 7.64 167.6 3,911.7 
1 1.20 4.72 35. 2, 608.1 
1 2.29 7.02 1,851 | 9, 255.3 
1 1.15 | 96.20%). 018382 | Jae eee 
1 0 SHOIG|- tL sees 917.8 
1 SADC! ie os tees | 54.5 | 166.6 
i ilis ea eh ecente 2.97 9.5 436 1 
10° © 1 1.51 4.74 | 3692) ral eRe oe ee 
(50° F.) 1 2.07 1. 84 1,307.6 24, 358.9 
1 9. 80 214.20 | 9,285.7 50, 476. 1 
1 4.29 43. 60 | 268 3,021.2 
1 11.37 44.39 |} 718.7 12, 625 
1 1.91 82. 30 9,117.6 16, 176.4 
1 2.36 6.18 SOs3ig linc seen 
1 4.37 PATA OTE esr ees 4, 206.8 
1 Tafa soe ee 135.7 1, 000 
ipl ees 2 ak ae 8. 23 27.9 1, 058. 8 
| 1 2.95 7.61 80.9 eee 
Se ees eee 3. 34 31.07 ; 1,464.7 9, 629.6 
1 Biel 21, 142.8 70, 714.2 |1,211, 428.5 
1 |= seg 4 6, 159;4. WN D463 7G. aera 
1 47 3,882.3 | 25, 588.2 61, 176.4 
1 21 2, 183.7 IBS PBL DP? 159, 459. 4 
1} 25 17052 6, 765.9 329, 787.2 446, 808.5 
1| 190.5 5,320.0 il ke ADs OGUS9q eee eee 
1 42.4 2, 589 Te Meno ee eee Be 20, 410.9 
1 165624 isi eae | 22, 424.2 32; 12189 
pI (ete ere 617 (6058.4. 16, 170.2 
sya (C 1 69. 2 3, 794.8 | 633589: | PEE eee 
(60° F.). it 312.8 16,153.8 | 192, 307.6 233, 333.3 
| 1 376.1 20, 238 390;,476: Lees). sees 
1 51 4,914.8 23, 829. 7 58, 723.4 
1 46.2 10, 812.5 13, 750 931, 250 
1 | 2,970.5 | 28,558.8 | 44,705.8 | 600,000 
1 AG:3. | 214 318.1 > 150/909:.2 jC ee ee 
1 37.9 5000S Plover eee 93, 103. 4 
1 RBs, Del site ee | 42,142.8 | 112, 142.8 
ee ees 2,323.5 | 18,823.5 59, 117.6 
1 Ub y/aal 5, 523. 8 41.428... || oon cai ee 
Oe. NO ae fot 398. 6 8,772.1 | 79,809.5 | 288,231.8 
