COMMEECIAL EGGS IN THE CENTRAL WEST. 

 Table 4. — Stale eggs} 



INDIVIDUAL EGGS. 



11 





Date of 

 exami- 

 nation. 



White. 



Yolk. 



Number of gas- 

 producing bac- 

 teria per gram 

 in lactose bile. 





Sample 

 No. 



Total number of bacteria per gram on 

 plain agar. 



Description. 





Incu- 

 bated at 

 20° C. 



Incu- 

 bated at 

 37° C. 



Incu- 

 bated at 

 20° C. 



Incu- 

 bated at 

 37° C. 



White. 



Yolk. 





8023 1 



1911. 



Mar. 28 



...do 



...do 



Apr. 4 



Apr. 7 



...do 



June 12 



July S 

 ...do..... 





 

 5 

 



10 



20 

 













 

 

 5 











20 





 





 

 5 

 10 





 

 

 









 





 









3023 2 







Slightly dirty shell. 

 Clean shell. 



3023 4 







3024-7 







Clean-sheUed guinea egg 

 kept in cold storage 1 

 year and in candling 

 room 1 weeko 



Clean shell, slightly 



3026-1 







3026-7 



10 

 - 





 







shrunken, small hatch 

 spot and floating yolk. 



Clean shell; slight shrink- 

 age. 



Weak white and yolk, 

 hatch spot not en= 

 larged, movable air cell. 



Clean-shelled, fresh in- 

 fertile egg, kept at room 

 temperature for 8 days. 

 Weak white and yolk, 

 marked shrmkage, 

 slightly movable air 

 cell. 



Clean-shelled, infertile 

 egg, kept at room tem , 

 perature for 8 days. 

 Watery white, marked 

 shrinkage, slightly 

 movable air cell. 



4005 

 4039 



4040 





 









 







1 Samples 3001 to 3031, inclusive, were examined by Christine S. Avery. 

 SMALL COMPOSITE SAMPLES. 



Sample 



No. 



Source.! 



Date of 

 exami- 

 nation. 



Total number 

 of bacteria 

 per gram on 

 plain agar. 



Number 

 of gas- 

 produc- 

 ing 

 bacteria 

 per gram 

 in lactose 

 bile. 



Percentage of 



ammoniacal nitrogen 



(Folin method). 



Per cent 

 ot mois- 

 ture. 



Description. 



Incu- 

 bated at 

 20° C. 



Incu- 

 bated at 

 37° C. 



Wet 

 basis. 



Dry 



basis. 





4.579 



4630 

 596 



D 3 



E 4 

 B 



1912. 

 June 19 



June 28 



1911. 

 July 19 







50 

 600 







200 

 2,400 









 



0. 0017 



.0018 

 .0016 



0. 0061 



.0064 

 .0069 



72.13 

 72.02 



6 3 eggs: 

 small, most 

 of t li e m 

 shrunken. 



6 6 eggs; 

 shrunken. 



8 eggs; 

 shrunken. 









iSeep. 40. 



Even when 5 dozen or more such eggs are mixed together the bac- 

 terial findings for the individual of the type hold good. The loosely 

 bound nitrogen in these samples of " stale " eggs is the same as, or a 

 little less than, that found in the " grocery " eggs purchased in the 

 open market during the summer of 1911. 



