PIG-FEEDING EXPERIMENTS 277 



was given " cold." Curiously enough, Mr Stevenson in 

 the Kilmarnock experiments got better results with 

 raw than cooked potatoes when fed along with an 

 average daily ration of 2 galls, whey, 2-^- Ibs. maize 

 and barley meals, and 2 Ibs. potatoes. In the case of 

 raw potatoes a meal equivalent of 3-75 Ibs. was required 

 to give unit increase in live weight, while with cooked 

 potatoes a meal equivalent of 4-16 Ibs. was required to 

 give the same increase. 



Professor Henry (Wisconsin) found, with a ration 

 where the proportion of maize to potatoes was as 1:3, 

 that 4-42 Ibs. cooked potatoes were equal to I Ib. maize 

 meal ; while in Denmark, Fjord of Copenhagen showed 

 that 4 Ibs. cooked potatoes were equal to I Ib. meal. 

 The Danish standard gives a higher value to cooked 

 than raw potatoes. According to their standard, I Ib. 

 of cooked potatoes is equal to ij Ibs. raw potatoes. 



Professor Brynner Jones had the cooked potatoes 

 fed " cold " in the above experiments, and it is possible 

 that the good results attributed to cooking potatoes 

 are largely due to the practice of mashing the cooked 

 potatoes up with meals, and feeding the mixture 

 " warm," in the form of a moderately thin slop or gruel. 



At Kilmarnock, Mr Stevenson shows that food fed 

 warm gives a larger live weight increase than food fed 

 cold. Pigs receiving whey and Paisley flour required 

 the following " meal equivalents " to give I Ib. live 

 weight increase : 



