540 



average of. the last two weeks of February and the last two of 

 March, compared^with the first two weeks of March when the 

 weather was bitterly cold. 



BYRES WITH RESTRICTED VENTILATION, 



The following table gives the total milk produced at each farm 

 by the cows in the freely ventilated byres for an average of 

 the last two weeks of February and the last two of March, com- 

 pared with the first two weeks of March when the weather was 

 bitterly cold. 



