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DEPARTMENT OF AGRICULTURE. [Pub. Doc. 



out of 2,840 colonies which started the winter, 2,479 survived, 

 giving a loss of 361 colonies. The proportion of loss was there- 

 fore slightly less than 13 per cent, as compared with 57 per cent 

 in 1918. In the two other recorded cases of low winter loss 

 the percentages were 17 in 1913 and 19 in 1915. 



Work of the Year ending November 30, 1919. 

 Brood Diseases of Bees. 

 The following figures briefly show the results of the season's 

 work in the suppression of European and American foul 

 brood : — 



Number of apiaries visited, . 



Number of colonies examined, 



Number of colonies found free from disease, 



Number of colonies found diseased, 



With American foul brood, 



With European foul brood, 

 Number of apiaries quarantined, . 

 Number of apiaries released from quarantine, 



Table of Current Quarantines. 



It will be noted from the above figures that the number of 

 apiaries visited was somewhat less than in 1918. The number 

 of colonies examined, however, exceeds that of last year. This 

 may be accounted for by the very intensive work which was 

 done in certain parts of the State where disease was unusually 

 prevalent. The number of colonies found diseased was about 

 the same as last year. The proportion of American foul brood 

 was greater, owing to its prevalence in the northeastern part 



