﻿REFRIGERATION OP 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 



jf ammoniacal nitrogen in flesh of chickens after 



railroad 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 

 merit 



No. 



Car 

 line. 



Ammo- 

 niac til 

 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 



L .0119 



2039 



B 



.0125 



2077 



D 



.0141 



20S4 



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 



1) 



.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. 



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 



Average. 



High-temperature shipments, 35° to 39° 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 



Average . 



Experi- 

 ment No. 



2024 

 2026 

 2028 

 2068 

 2069 

 2074 

 2078 

 2094 

 2096 



Content of ammoniacal nitrogen. 



Transpor- 

 tation 

 sample. 



Per cent. 

 0.0129 

 .0123 

 .0120 

 .0112 

 .0123 

 .0125 

 .0115 

 .0119 

 .0118 



.0120 



2003 

 2048 

 2050 

 2054 

 2056 

 2060 

 2065 

 2071 

 20S4 



.0132 

 .0132 

 .0149 

 .0146 

 .0146 

 .0140 

 .0140 

 .0148 

 .0140 



.0141 



Commis- 

 sion house 

 sample. 



First 

 sample 



from 

 retailer. 



Per cent. 

 0.0132 

 .0139 

 .0136 

 .0112 

 .0126 

 .0106 

 .0126 

 .0142 



.0154 

 .0126 

 .0150 

 .0124 

 .0140 

 .0146 

 .0141 

 .0168 

 .0137 



.0143 



Per cent. 

 0.0144 

 .0147 

 .0146 

 .0140 

 .0134 

 .0139 

 .0132 

 .0168 

 .0150 



.0144 



.0165 

 .0179 

 .0165 



.0148 



.0154 

 .0178 

 .0151 

 .0140 



.0160 



Second 



sample 



from 



retailer. 



Per cent. 

 0.0160 

 .0154 

 .0160 

 .0144 

 .0144 

 .0174 

 .0150 

 .0181 

 .0157 



.0158 



.0220 

 .0216 

 .0190 

 .0225 

 .0143 

 .0185 

 .0157 

 .0190 

 .0165 



.01S8 



