New York AGRICULTURAL EXPERIMENT STATION. Bie 
lated statements, giving ages and dates of calving of different cows. 
(2) Prices of food used. (3) Amounts, composition and cost of 
food eaten. (4) Amount and cost of milk produced. (5) Com- 
position of milk. (6) Yield of cream and butter. (7) Yield of 
cheese. 
As a basis for comparison, a uniform lactation period was used 
consisting of the first ten months of lactation. The results repre- 
sent work done with twenty-two different animals for one to four 
periods of lactation, aggregating between forty and fifty periods. 
The summary of the work is here presented under the following 
headings: (1) Production of milk, (2) production of cream and 
butter,24 and (3) production of cheese. The data will be pre- 
sented largely in tabular form. 
MILK PRODUCTION. 
TABULATED SUMMARY GIVING COMPARISON OF RESULTS SECURED WITH DiIrF- 
FERENT BREEDS OF DAIRY CATTLE WITH REFERENCE TO‘THE PRODUCTION OF 
MiLxk. AVERAGE PER Cow FoR ONE PeEriop (10 MONTHS) oF LACTATION. 










Ayr- Guern- | Holstein- Short- 
Holder- shire. Devon. sey. Friesian. Jersey. Horn. 
ness. 
INumiberorcowss ase tenia oe oh 4 3 4 4 4 1 
Total number of periods of 
LACtAtiOrieee resent iaon 4 12 5 6 4 11 2 
Costiot food eaten. ao. ai. ; $42 90 |$49.32 1$37 52 |$46 15 | $50 73 |$45 49 |$46 22 
Poundsiof milk given....-~. te aL WPA le Pal ayear aye: Ww rs Bake pc Real ais ges 32459 91S eleo, O45 40,055 
Cost of milk in cents per 
POUNCE sere ocho eee 0.76 0.74 0.94 0.86 0.65 0.90 0.78 
Cost of milk in cents per 
GUAT CC mace aaa eras eGo 5s ZeO2 1.85 1.39 1.95 1.68 
Pounds of milk-solids pro- 
ACE Cit oh urhearecs ein che ee 724.1 |869.4 {577.4 |804.0 936°5 775.4 1866.2 
Percentage of solids in milk.. 12-66 -\ 125744)" 14.50: | 14.93 Le Roe ielowos did 30) 
Cost of milk-solids in cents 
DEW POUNG mite ae nt ee 5.93 5.68 6.50 Selo 5.42 5.87 5.34 
Money value of milk at 1.28 
Centssper-pOunG-y cas oo ee $73 22 \$87 24 $51 00 |$68 93 |$101 35 |$64 58 |$72 50 
Money value of milk based 
on milk-solids at 94 cents 
DEGDOMNG Uy eh OF 5Sei SL 144) 63° 89 275 04 Sietielet2cor a. 80) So 
Money value of milk based on : 
milk-fat at 264 cents per 
DOUG PEL eee, ee 66°12 | 64 47>) 48 277-75 18 70 07 | 74 30° |. 72 03 
Apparent profit (money value 
of milk less cost of food)... 24 69 |} 31 73 | 16 37 | 28 88 36 65 | 24 63 | 34 60 
Calculated value of skim- 
Tra Cot ee ee ae Ree Lon6to 19°06} 12) 00-1" 15 81 SOR490 Se Toe 7Se eS: 20 
Market value of skim-milk... {Oxtoph 9 53 6 00 7 90 10325 6 89 9 10 
Actual profit (apparent profit 
less market value of skim- 
pong We) IR Svat yn Ware catch? wekecer aalt a UGESOeeaceoUwielOe ore 20) 97 26 40-17-74 | 25°50 
Bub IN Ote7 7: 
* Bul- No. 78. 
= Bile IN O:870, 
