26 



The University of New Hampshire [Bulletin 338 





Fig. 7. Long t/pe combination roof laying house including Pens 11- 

 18, inclusive. 



Steady oustide air humidity value, its effect in raisin,^- the humidity 

 value inside the poultry pen is of less significance than is the presence 

 of birds within the pen. Related to this, of course, is the reduced 

 moisture carrying capacity of the cold air moving in. around, or out 

 of the poultry pen. Aside from the normal respiratory and excretorv 

 moisture from the birds there must also be considered (1 ) water spil- 

 lage by birds or attendants and (2) moisture accumulations from rain 

 or snow storms through openings in the pens. 



Fig. 8. Illustrates the method of 



CATCHING water SPILLED BY THE 

 BIRDS Dl'RING THE DRINKING PROCESS. 



Fig. 9. The effect of water spillage 

 about waterers with peat moss lit- 

 ter UNDER treatment "A" IN PeN 15, 



May 1939. 



