436 



Journal of Agricultural Research 



Vol. IV, No. s 



Table XXI. — Milk production {second year): Prickly-pear versus sorghum silage 



FIRST PERIOD (80 days) 



No. of cow. 



Group. 



Total. 



6 Prickly-pear 



Total. 



Sorghum silage . 



do 



do 



....do 



....do 



.do. 

 .do. 

 .do. 

 .do. 



Total 

 milk. 



Pounds. 

 1,660.0 

 1,183.5 

 1,889.3 

 1,795-6 

 I, no. I 



7,638.5 



1,640. 4 

 2,364-5 

 1,457- I 

 1,830. I 

 1,512. o 



Fat in milk. 



Average 

 percent- 

 age. 



Per cent. 



4.49 

 5.00 

 S-I3 

 5.60 

 5-51 



5-14 



ToUl 

 amount. 



Pounds. 

 74.84 

 59.26 

 97-05 

 100.57 

 61. 14 



392- 86 



4-39 

 3-96 



4-03 

 5-16 



72. II 

 93-70 

 60. 04 

 73-78 

 78.05 



377-68 



Average 

 specific 

 gravity. 



1. 0321 

 I- 0332 

 I- 033s 

 I- 0339 

 1. 0321 



I- 0331 

 1.0311 

 1.0316 

 1. 0326 

 1. 0322 



Total 

 solids. 



Pounds. 

 223. 24 

 169. 56 

 275-02 

 273-51 

 162. 60 



1,103-93 



222. 21 

 295.86 

 186.35 

 237-94 

 215-34 



SECOND PERIOD (80 days) 



Table XXII. — Milk production {second year): Prickly-pear versus cottonseed hulls 



FIRST PERIOD (80 days) 



" Period, 70 days. 



^ Period, 10 days. 



