WATERING TROUGHS 



445 



FIG. 249. Farm dipping plant. Tank to the left; dripping pen in center, and chute from 

 dripping pen at the right. 



57 IN ti x . n :[ i; n n it it n B . r 



'** * * * * * K * K X X * * X X * M 



4\Z 



4Z 

 4 



FIG. 250. A dog-proof fence. (From U. S. D. A. Bulletin 810.) 



unnecessary, as the woolly coat of the lamb gives it sufficient pro- 

 tection in passing between stationary uprights having the sharp 

 corners rounded off (Fig. 247). 



Watering Troughs. Tn many cases it is just as well, or perhaps 

 better, to have the water supplied outside of the barn, for it is 



