these, 454 were 100 percent tested, representing 1,337,524 birds; whereas 11 were 

 partially tested and contained 7,336 birds. The non-reacting flocks identified in 

 Barnstable, Bristol, Dukes, Franklin, and Norfolk counties were 100 percent 

 tested. 



At the close of the season, 10 flocks, representing 16,005 birds, were classified 

 as infected — 4 flocks more than the previous year. Of the infected flocks, 6 were 

 100 percent tested and 4 partially tested. 



While the number of positive flocks is small, it should be recognized that pul- 

 lorum infection still exists in Massachusetts and that these infected flocks may 

 serve as foci of infection for other flocks if proper measures are not taken. Owners 

 of infected flocks should make every effort to eradicate the disease from the pre- 

 mises without delay. 



COMPARISON OF 1948-49 AND 1949-50 TESTING 



Table 5 shows an increase in number of tested flocks in seven counties, a de- 

 crease in three counties, and no change in two. All counties showed an increase 

 in the number of birds tested. Dukes was the only county in which no reactors 

 were detected; whereas last year there were five counties in which no infection 

 was found. 



It is apparent that the general picture of pullorum disease testing does not vary 

 much from year to year. However, slight reverses in trends this past year should 

 not be overlooked, and every possible effort should be made to reduce the num- 

 ber of infected flocks in the State. 



Table 5.— Comparison of the 1948-49 and 1949-50 Testing 



1948-49 Season 



Barnstable 4 24,630 24.630 



Berkshire 9 40,437 42,730 



Bristol 64 139,912 141,779 



Dukes 1 3.902 3,902 



Essex 55 141,854 146,122 



Franklin 25 37,840 38,014 



Hampden 14 18,523 18,627 



Hampshire 26 40,252 40,2 2 



Middlesex 83 218,951 233,255 



Norfolk 43 133,618 134,820 



Plymouth 64 200,555 200,582 



Worcester 70 179,007 188,360 



TOTALS 



Barnstable 



Berkshire 



Bristol 



Dukes 



Essex 



Franklin , 



Hampden 



Hampshire 



Middlesex 



Norfolk 



Plymouth 



Worcester 



TOTALS 475 1,360,865 1,444,364 



0.00 



0.04 



0.004 



0.00 



0.04 



0.00 



0.02 



0.00 



0.14 



0.002 



0.00 



0.02 



4 

 9 

 62 

 1 

 52 

 25 

 14 

 26 

 82 

 43 

 64 

 70 



465 



