11 Si 



1916. 



Herd Testing. 



545 



An official test may cover any number of consecutive days. 



N"o official test shall be accepted tbat is begun earlier in the lactation 

 period than the morning of the seventh day after calving. 



Semi-official yearly test or lactation test is taken, on two consecutive 

 days each month, beginning not earlier than fourth day after calving, 

 continuing during the lactation period or such consecutive part of it, 

 as the owaier may desire, but not exceeding 365 days in length. ISTot 

 less than three different supervisors shall be employed in a semi-official 

 test, and no supervisor should conduct the test in two successiv-e months 

 Only officiai tests are accepted for Advanced Eegister, but semi-official 

 records are credited when the cow has been accepted for Advanced 

 Register. 



In Illinois, the highest records of the different breeds are as 

 follows : — 



These records are for 365 days. 



They claim Jacoba Irene's as the highest record ever made by a 

 Jersey cow. The following are her records for four years : — 



It will be noticed that she missed 1909. The inference is she was 

 not in calf when she made her best record. 



Amongst Ayrshires in the Advanced Register it is seen that the 

 average return is as under for a year's test: — 



Average for 2 year old 

 ,. 3 

 ,. 4 



,, ,, mature 



Average for w1k)1c 



lbs. 



8,719 

 10,079 

 10.560 

 10,977 



9,888 



lbs. 



;}.")3-06 

 381 -26 

 424-10 

 420-62 



390-22 



10372.— B 



