282 EXPERIMENT STATION RECORD. 



products can ever take the place of corn in pork production in the South may well 

 be abandoned. They can not replace but may prove valuable adjuncts to corn or 

 any other starchy or carbohydrate food which may be found available in the South 

 for hog feeding. The conditions here are not the same as in cattle feeding where the 

 hulls are available for roughage." 



The tests reported in the author's opinion do not afford much opportunity for 

 judging of the nature of poisoning due to cotton seed. In so far as can be judged 

 from the data obtained, he considers that cases of overfeeding with cotton seed or 

 cotton-seed meal induce "congestion of the eliminative organs (liver or kidneys), 

 followed by one of three conditions, according to the degree of overfeeding, namely: 



" (a) Progressive engorgement with impairment of function leading to acute drop- 

 sical effusion into the various serous cavities and death within two months or less. 

 This is the most acute form. 



" (b) Primary engorgement as above followed by degenerative changes, fatty and 

 atrophic in the liver, sclerotic and atrophic in the kidneys, with progressive loss of 

 function. 



"(c) Congestion of less degree which the organs become more or less habituated 

 to and in which only slight and temporary symptoms develop and no marked organic 

 changes are found. 



"(d) Long-continued feeding on cotton -seed meal in the safe doses prescribed 

 above has given rise to no gross organic changes in liver, kidneys, or other organs 

 discoverable on slaughter. No fault has been found by the butcher purchasing our 

 animals as to the quality of the flesh or fat. Prolonged feeding on cotton-food prod- 

 ucts has been found to greatly heighten the melting point of the lard." 



Experiments with hogs, E. R. Lloyd (Mississippi Sta. Rpt. 1904. pp. 12,13). — 

 In a study of the value of alfalfa pasturage without grain, 14 pigs 2 months old 

 gained only 33 lbs. in 37 days on 1.33 acres of alfalfa, indicating that without addi- 

 tional food alfalfa is " about a maintenance ration for growing pigs." When all the 

 ripe sorghum which would be eaten up clean was fed, in addition to corn equal to 

 1.4 per cent of the weight of the pigs, the ration was found a little more than suffi- 

 cient for maintenance. 



Fourteen young pigs, running with their dams, pastured on 1.66 acres of cowpeas, 

 made an average daily gain of 1 lb. for a period of 23 days. In a study of the 

 gains made by pigs fed grain, as compared with those following steers and fed a small 

 amount of grain in addition, it was found that 7 pigs fed grain in a pen made a total 

 gain of 299 lbs. in 54 days, requiring 4.7 lbs. of grain per pound of gain, at a cost of 

 4.88 cts. per pound. The gain made by a similar lot following steers was 262 lbs. 

 In addition to what they could gather, these pigs required 1.3 lbs. of grain per pound 

 of gain at a cost of 1.15 cts. per pound. 



Feeding- pig's on skim milk and pasture, J. S. Moore (Mississippi Sta, Rpt. 1904, 

 pp. 22, 23). — The comparative value of oats and vetch, alfalfa, and sorghum as green 

 feed was studied with pigs in consecutive periods of 31, 132, and 31 days, the test 

 being supplemented by a period of 45 days on skim milk and corn. Some corn was 

 fed with the oats and vetch and with the sorghum. 



The greatest gain, 0.9 lb. per head per day, was noted on oats and vetch and the 

 smallest, 0.03 lb. per day, on sorghum. On skim milk and corn the average daily 

 gain w r as 0.8 lb. per head. Considering the test as a whole, the cost of a pound of 

 gain ranged from 1.44 cts. on-alfalfa pasturage to 25 cts. on sorghum. 



The horse, I. P. Roberts (New York and London: The MacmillanCo., 1905, pp. A'Z + 

 401, figs. 97). — In this handbook a history is given of the domesticated breeds of 

 horses in America, chapters on breeding, judging, and educating the horse; the care 

 of horses, stables, sanitation, and paddocks; the line of draft, weight of horses, width 

 of wagon tires, and related questions. 



