562 



Rationx; yield of milk; gain or losii in lire weight; financial resulU. 



Beft ri'sidup per lifad per day jioniids. . 



"Water in total food per liead per day do 



Digestible nutrients in total food: 

 Per head per day — 



Proteiu do 



Fats do 



Carbohydrates do 



Ter 1,000 pounds live weight per day — 



Protein do 



Fats do 



Carbohydrates do 



Nntritive ratios 



Potential energy in digestible nutrienta per 1,000 pounds 

 live veislit per day Calories.. 



Milk yield per head per day pounds.. 



Gain ( + ) or loas ( — ) in live weight per bead per day do 



Financial gain iK;rhead per day I cents.. 



Periods. 



landV. Hand IV. 



44 

 43.36 



3.39 

 0.52 

 13.49 



3.31 

 0.52 

 13.18 

 1:4.4 



36, 510 



29.39 



+1.29 



9.2 



66 

 62.70 



3.39 

 0.48 

 13.60 



3.31 

 0.47 

 13.29 

 1:4.4 



36.420 

 30.71 



+0.21 

 10.1 



m. 



88 

 81.66 



3.39 

 0.42 

 13.16 



3.31 

 0.41 

 12.86 

 1:4.2 



35,270 

 31.13 

 -0.013 

 12.6 



Series B, beet diffusion residue and potato residue added to basal 

 ration. — Conducted by Herr Oesterreich in Siegersleben. Eijjht cows, 

 averii.iLriii.ir I.IOO ]K)iiii(1s live wci^rlit, wore emi>loyod in the expt'iimeiits, 

 Avliicli (lirtrnMl Iroin tliose of st-ries A iu that beet ditliisioii residue and 

 potato re.sidue were used tojjether, the former in decreasing; and the 

 latter in increasinj,' ijuantities in the dilVerent experiments. The basal 

 rati<»n contained. a]»pro\iinately, per head ]>er day, in pounds, hay .">.">, 

 straw 8.4, palm nut meal 2.1', and cotton-seed meal and barley meal 

 in (|nantities such as to make the amounts of dijjestible nutrients in 

 tlic whole ration the same in th*' dill'erent jieriods. In the third periotl, 

 however, there was an error in the make-up of the ration liy which the 

 quantities of protein and fat were unnle too small. 



JUitionx; yield of milk; gain in lire ircight; Jinancial results. 



Periods. 



I and V. II and IV. 



III. 



Beet difl'iision residue imt head per day pounds.. 



Potato residue per bead per day <inarl8.. 



Water in total IimmI per head per day pounds.. 



l))j;estible nutrients in total tuod: 

 Per lieati ptT d.iy— 



Protein pounds . . 



Fats do 



Carbohydrates do 



Per l.lHK) jiixinds live weight per day— 



Protein do 



Fats do 



Carlxdiyd rates do 



Nutritive ratios 



I'otential energy in digestible nutrients per 1,000 pountls 

 live weight i»t day Calories. . 



Milk vield per head per day IMdinds. . 



Gain in live weight jier head per day do 



Financial gain per head iier day cents.. 



44 



11 

 81.33 



3.37 

 0.70 

 12.47 



3.06 

 0.64 

 11.34 

 1:4.2 



32,800 

 31.22 

 1.29 

 10.1 



33 

 42 

 116.53 



3.48 

 0.68 

 12.91 



3.16 

 U.62 

 11.74 

 1:4.2 



33, 740 

 31.88 

 0.«9 

 8.7 



63 

 149. 67 



2.97 

 0.51 

 13 



2.70 

 0.46 

 11.82 

 1:4.8 



32,140 

 27.79 

 0.96 

 3.6 



These experiments, then, represent the average results of trials, in 

 one case with nine and in the other with eight eows. Tlie normal change 

 which takes place in the milk with progress of tlie period of lactation 



