The Change of Milk Flow With Age 



151 



Table 2. 



Mean milk production in y days, at each month of the cow's age, 



Jersey data. 



Age in Trs. 



Pounds Milk in 



Age in Trs. 



Pounds Milk in 



and Mos. 



7-day Test. 



and Mos. ' 



7-day Test. 



1:9 



187.95 



5:11 



249.67 



1:10 



192.61 



6:0 



249.99 



1:11 



197.62 



6:1 



250.29 



2:0 



200.17 



6:2 



250.58 



2:1 



203.34 



6:3 



250.85 



2:2 



206.18 



6:4 



251.12 



2:3 



208.78 



6:5 



251.37 



2:4 



211.17 



6:6 



251.61 



2:5 



213.35 



6:7 



251.84 



2:6 



215.40 



6:8 



252.06 



2:7 



217.30 



6:9 



252.26 



2:8 



219.07 



6:10 



252.46 



2:9 



220.74 



6:11 



252.64 



2:10 



222.31 



7:0 



252.82 



2:11 



223.78 



7:1 



252.98 



8:0 



225.19 



7:2 



253.14 



3:1 



226.52 



7:3 



253.29 



3:2 



227.77 



7:4 



253.41 



3:3 



228.98 



7:5 



253.54 



3:4 



230.12 



7:6 



2,53.65 



3:5 



231.21 



7:7 



253.76 



3:6 



232.25 



7:8 



253.85 



3:7 



233.25 



7:9 



253.94 



3:8 



234.20 



7:10 



254.02 



3:9 



235.10 



7:11 



254.09 



3:10 



235.99 



8:0 



254.15 



3:11 



236.83 



8:1 



254.20 



4:0 



237.64 



8:2 



254.25 



4:1 



238.41 



8:3 



254.28 



4:2 



239.15 



8:4 



254.31 



4:3 



239.87 



8:5 



254.33 



4:4 



240.56 



8:6 



254.34 



4:5 



241.22 



8:7 



254.35 



4:6 



241.a5 



8:8 



254.34 



4:7 



242.47 



8:9 



254.33 



4:8 



243.06 



8:10 



254.31 



4:9 



243.63 



8:11 



254.28 



4:10 



244.18 



9:0 



254.25 



4:11 



244.70 



9:1 



254.20 



5:0 



245.21 



9:2 



254.15 



5:1 



245.70 



9:3 



254.10 



5:2 



246.17 



9:4 



254.03 



5:3 



246.62 



9:5 



253.96 



5:4 



247.06 



9:6 



253.88 



5:5 



247.48 



9:7 



253.80 



5:6 



247.88 



9:8 



253.70 



5:7 



248.27 



9:9 



253.61 



5:8 



248.64 



9:10 



253.50 



5:9 



249.00 



9:11 



253.39 



5:10 



249.34 



10:0 



253.27 



