. Journal of agricultural research . 87 9-1894 .0955 •3090 2. 7204 . 2796 - .8457 . 0872 •2194 .0680 -3098 3-6292 3-5612 2- 7333 4- 9959 2. 2625 •1163 •2325 .05S1 116 361. 60H .0844 -2905 3-1885 .1885 -1237 -5225 -1397 -0456 -3263 3S99I 3-5535 12. 4200 ± •1534± .3068± -0767 3o6 Journal of Agricultural Research Voi. xvii. The histograms and their fitted curves are shown in figures i to 4. ^ 15A. 5 10 10 ^ K 3-YEAR-O^D COWS J // b. \1 / c: ^ 6 V COWS / 7^ ? \ / r \ ? [\ ^ 5-YE AR-OI, p COWS / \ ^ y/ / \ ^ r H 6-YE AR-OI .D CO WS / A K -, r? / A ^
. Journal of agricultural research . 87 9-1894 .0955 •3090 2. 7204 . 2796 - .8457 . 0872 •2194 .0680 -3098 3-6292 3-5612 2- 7333 4- 9959 2. 2625 •1163 •2325 .05S1 116 361. 60H .0844 -2905 3-1885 .1885 -1237 -5225 -1397 -0456 -3263 3S99I 3-5535 12. 4200 ± •1534± .3068± -0767 3o6 Journal of Agricultural Research Voi. xvii. The histograms and their fitted curves are shown in figures i to 4. ^ 15A. 5 10 10 ^ K 3-YEAR-O^D COWS J // b. \1 / c: ^ 6 V COWS / 7^ ? \ / r \ ? [\ ^ 5-YE AR-OI, p COWS / \ ^ y/ / \ ^ r H 6-YE AR-OI .D CO WS / A K -, r? / A ^_^ / X 7-YE AR-OI .D CO WS r [K vl V. ^ /] ^ -M. 7 9 11 13 15 17 19 21 23 25 27 29 MEAN WEEKLY YIELD - GALLONS Fig. I.—Histograms and fitted curves for variation in mean weekly milk yield of Ayrshire cows of ages3 to 7 years. The ordinates are plotted on a percentage basis, and since the base unit (i gallon) is thesame for all diagrams the areas of all are equal. Sept. IS, 1919 Variation in Milk of Ayrshire Cows 307. 11 13 15 17 19 21 23 25 27 29 MEAN WEEKLY YIELD - GALLONS FlC. a.—Histograms and fitted curves for variation in mean weekly milk yield of Ayrshire cows of ages 8 to 12 years. 3o8 Journal of Agricultural Research voi. xvn,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913
