BREEDS OF SWINE 459 



droppings from the steers a decided increase from the use of a sup- 

 plementary feed rich in protein and ash. (0. Cir. 73.) 



Tankage has been the most efficient commercial feed used as a 

 supplement to corn in fattening hogs under market conditions pre- 

 vailing during recent years. (Ind. Bui. 137.) A greater pro- 

 portion of corn may he used in feeding tankage than in feeding lin- 

 seed meal as a supplement. Hogs fed on a ration of corn meal and 

 tankage consume more feed and make more rapid gains than hogs 

 fed a ration of corn meal and linseed meal. A ration of corn meal 

 and tankage gives a better finish than one of corn meal and linseed 

 meal. (Ind. B. 126.) Tankage proved to be an exceedingly sat- 

 isfactory feed to supplement corn. In fact, it was almost as satisfac- 

 tory as cotton seed meal, and it has the advantage over cotton seed 

 meal in that there is no danger in feeding it. (Ala. B. 143.) Tank- 

 age and linseed oil meal are about equally profitable supplements to 

 corn at the prevailing prices of recent years. (0. B. 213.) 



Growing pigs fed meat meal or tankage to the extent of 16 2-3 

 per cent of their ration, and older hogs having these feeds to the 

 extent of 10 per cent of their ration, with corn, ate more feed and 

 made more rapid gains than those fed on any other combination, 

 such as shorts, barley and corn, or shorts and corn. In dry lot feed- 

 ing a ration composed of corn with either meat meal or tankage 

 produced from 25 to 40 per cent faster gains on quite mature hogs, 

 and from 50 to 60 per cent faster gains on younger hogs, than a ra- 

 tion of corn alone, and in every instance the number of pounds of 

 feed required per 100 Ibs. gain was decidedly less with the mixed 

 , ration. Both meat meal and tankage are more valuable and profit- 

 able adjuncts to the corn ration for dry lot feeding than when pigs 

 or hogs are being developed and fattened on pasture, especially if the 

 pasture be composed of leguminous crops. (la. B. 91.) 



Selected tankage is a very high protein feed containing over 

 40% of protein, so only a small quantity of it is necessary with grain. 

 It proved satisfactory when fed either in the proportion of one- 

 eleventh of the ration, or one-seventh of the ration. With grain at one 

 cent a pound and tankage at two cents per pound, the grain and tank- 

 age ration, with the grain forming five-sixths to nine-tenths of the 

 ration, will cost from about $4.50 to $5.25 for each 100 pounds gain 

 upon fattening pigs under two hundred pounds live weight. (Colo. 

 B. 165.) 



There is no difficulty in using blood meal for hog feeding if it 

 is fed with a small quantity of middlings or some other palatable 

 food, exercising reasonable care to get the hogs started right and not 

 to overfeed at any time. Blood meal and skimmed milk have a sim- 

 ilar feeding value when fed on the basis of an equal number of 

 pounds of protein, and as supplements to either old or new corn. 

 Where a good market is offered for skimmed milk, a margin of $1.00 

 between the cost and selling price of the hogs is necessary in order 

 that this by-product may form a part of the ration fed to fattening 

 hogs. Blood meal at $3*00 per hundredweight is equivalent in feed- 



