REFRIGERATION OF DRESSED POULTRY IN TRANSIT. 
11 
at the lowest temperature. This difference in composition at the end 
of the railroad haul continues with increasing magnitude throughout 
the period at the wholesale commission house and at the retailer's. 
(See Table 3.) 
Table 
2.— 
Content 
if ammoniacal nitrogen in flesh of chicken. 
? after 
-ailroad haul. 
Group 1—18° 
to 26° F. 
Group 
2—27° 
to 30° F. 
Group 3—31° 
to 34° F. 
Group 4 — 35° 
to 39° F. 
Ex- 
peri 
ment 
No. 
Car 
line. 
Ammo- 
niacal 
nitrogen. 
Ex- 
peri- 
ment 
No. 
Car 
line. 
Ammo- 
niacal 
nitrogen. 
Ex- 
peri- 
ment 
No. 
Car 
line. 
Ammo- 
niacal 
nitrogen. 
Ex- 
peri- 
ment 
No. 
Car 
line. 
Ammo- 
niacal 
nitrogen. 
Per cent. 
Per cent. 
Per cent. 
Per cent. 
2024 
A 
0.0129 
2017 
D 
0.0127 
2001 
D 
0.0147 
2003 
D 
0.0132 
2026 
A 
.0123 
2018 
A 
.0123 
2004 
D 
.0123 
2048 
B 
.0132 
2028 
D 
.0120 
2020 
D 
.0122 
2006 
D 
.0144 
2050 
B 
.0149 
2030 
E 
.0120 
2025 
D 
.0122 
2008 
D 
.0134 
2054 
B 
.0146 
2068 
D 
.0112 
2031 
D 
.0139 
2012 
D 
.0129 
2056 
B 
.0146 
2069 
D 
.0123 
2035 
D 
.0134 
2044 
B 
.0126 
2060 
B 
.0140 
2074 
D 
.0125 
2036 
D 
.0129 
2046 
B 
.0126 
2065 
B 
.0140 
2078 
D 
.0115 
2038 
B 
.0106 
2066 
E 
.0126 
2071 
C 
.0148 
2094 
C 
.0119 
2039 
B 
.0125 
2077 
D 
.0141 
2084 
B 
.0140 
2096 
C 
.0118 
2040 
B 
.0102 
2083 * 
B 
.0132 
2041 
B 
.0120 
2086 
D 
.0118 
2042 
B 
.0129 
2087 
D 
.0137 
2055 
B 
.0127 
2088 
D 
.0132 
2075 
D 
.0118 
2090 
D 
.0132 
2079 
C 
.0112 
2091 
D 
.0130 
2080 
D 
.0106 
2085 
C 
.0123 
2089 
D 
.0126 
2093 
C 
.0123 
Av 
erage. 
2099 
c 
.0119 
.0120 
.0122 
.0132 
.0141 
Table 3 . — Content of ammoniacal nitrogen in flesh of chickens during marketing period after 
subjection to extreme low temperatures and extreme high temperatures during railroad haul. 
Date of shipment. 
Experi- 
ment No. 
Content of ammoniacal nitrogen. 
Transpor- 
tation 
sample. 
Commis- 
sion house 
sample. 
First 
sample 
from 
retailer. 
Second 
sample 
from 
retailer. 
Low-temperature shipments, 18° to 26° F. 
(-7.8°to -3.3° C): 
Nov. 16, 1910 
Nov. 26, 1910 
Dec. 6, 1910 
Oct. 23, 1911 
Nov.2, 1911 
Dec. 19,1911 
Apr. 16, 1912 
Sept. 18, 1912 
Sept. 26, 1912 
2024 
2026 
2028 
2068 
2069 
2074 
2078 
2094 
2096 
Per cent. 
0.0129 
.0123 
.0120 
.0112 
.0123 
.0125 
.0115 
.0119 
.0118 
Per cent. 
0.0132 
.0139 
.0136 
.0112 
.0126 
.0106 
.0126 
.0142 
Average. 
.0120 
High-temperature shipments, 35° to 30° F. 
(1.7° to 3.9° C): 
Sept. 13, 1910 
Apr. 26, 1911 
May 3, 1911 
Mav 23, 1911 
June 15, 1911 
July 13, 1911 
Sept. 21, 1911 
Nov. 20, 1911 
May 13, 1911 
2003 
2048 
2050 
2054 
2056 
2060 
2065 
2071 
2084 
Average . 
.0132 
.0132 
.0149 
.0146 
.0146 
.0140 
.0140 
.0148 
.0140 
.0154 
.0126 
.0150 
.0124 
.0140 
.0146 
.0141 
.0168 
.0137 
,0141 
,0143 
Per cent. 
0.0144 
.0147 
.0146 
.0140 
.0134 
.0139 
.0132 
.0168 
.0150 
Per cent. 
0.0160 
.0154 
.0160 
.0144 
.0144 
.0174 
.0150 
.0181 
.0157 
,0144 
,0165 
.0179 
.0165 
,0148 
,0154 
.0178 
,0151 
,0140 
DICI) 
.0158 
.0220 
.0216 
.0190 
.0225 
.0143 
.0185 
.0157 
.0190 
.0165 
.01S8 
