150 



VETERINARY HYGIENE 



Flooring. The flooring of the stalls and passages may be of 

 vitrified paving bricks, Portland cement concrete, or mineral rock 

 asphalt. Flooring has been discussed on page 142, and it is only 

 necessary to say here that one of the above materials should be 



FIG. 60. View of a horse stall commonly found in farm buildings. Bad 

 features are the close couples which accumulate dust and retard 

 ventilation, a fixed window with inside sill, and wood stall fittings. 



chosen. The floor of each stall must be given a slight slope, of 

 not more than 1 in 70, from the front to the urine channel, and may 

 with advantage be grooved herring-bone fashion as shown in figure 

 57. The passage must also be laid with a gradient sufficient to 

 carry wash water into the channel. The channel itself, as has been 

 explained in the section dealing with sanitation, runs down the 

 length of the building immediately behind the stalls and passes 

 through a hole in the wall. It should be quite shallow. 



Walls. The inside of the stable walls must have a smooth 



