140 DAIRY FARMING 



that barns must be constructed with more attention to those 

 details that make it possible to keep milk clean. 



126. General Arrangement of Barns. The style of barn 

 construction will necessarily vary with the locality, climate, 

 and many other factors. The interior arrangements of the 

 cow barn, however, may be much the same in barns differ- 

 ing widely in general plan of construction. The most com- 

 mon arrangement of dairy cows in a barn is in two rows, 



82-0- 



"A"G- 



FIG. 36. Floor plan of a good barn in which the cows face the center. 

 The calf pens and milk room are not shown. 



facing either towards the center or towards the wall. If a 

 manure carrier is used, it is most convenient to have the 

 heads together, as this saves time in feeding with no loss in 

 cleaning. If a wagon is to be driven through the barn for 

 cleaning, the cows should face the wall. More than two 

 rows require that the barn be too wide for efficient lighting 

 and for convenience in handling the cattle. The barn should 

 be located where there is good drainage and where it is con- 

 venient from the standpoint of labor. 



127. Lighting. One of the most serious defects in many 

 barns, especially in old ones, is lack of sufficient light. A 

 light barn is more healthful for the animals, and it is the 

 first step toward removing the objectionable features often 



