EFFECT OF CATTLE TICK ON MILK PRODUCTION. 



19 



Table II. — Individual records of experimental cows by 10-day periods. 

 COW 1, TICK-FREE. 





Milk production. 



1 

 3 

 is 



O 

 ffl 



Feed con- 

 sumed. 



Ten-day 

 period 

 ended — 



Milk production. 



3 



M 



'33 



O 



pq 



Feed con- 

 sumed. 



Ten-day 

 period 

 ended — 



o 



SI 



a 



o 



, . +^ 

 -^,03 



p 



< 



05 +J 



IS 



05--J 



sa 



05 

 Ph 



>> 



03 



w 



d 

 '3 

 o 



o 



pi i=S 

 §1 



a 

 < 



o 



< 



o 



05 jj 



aw 



05 -rH 



aa 



05 



Ph 



a 



g 



'3 

 o 



1913. 



May 30 



June 9 



June 19 . . 



June 29 



July9 



July 19 



July 29 

 Aug. 8 



Lbs. 

 178.3 

 154.8 

 150.8 

 144.0 

 165.5 

 159.4 

 149.1 

 103.3 



Lbs. 

 7.67 

 6.50 

 6.33 

 5.98 

 6.45 

 6.06 

 6.81 

 4.13 



P.ct. 



4.30 

 4.20 

 4.20 

 4.15 

 3.90 

 3.80 

 3.90 

 4.00 



Z&S. 



863.4 

 822. 

 822.0 

 805.0 

 827.0 

 813.0 

 833.0 

 939.0 



Lis. 



172.5 

 179.5 

 180.0 

 180.0 

 200.0 

 200.0 

 220.0 

 208.0 



£6s. 



50.0 

 45.0 

 50.0 

 50.0 

 50.0 

 50.0 

 50.0 

 50.0 



1913. 



Aug. 18.. -- 

 Aug. 28.. -- 



Sept. 7 



Sept. 17 



Sept. 27 



Oct. 7 



Total.. . 



Lbs. 

 106.9 

 112.7 

 106.6 

 106.4 

 85.6 

 63.2 



Lbs. 

 4.65 

 4.73 

 4.69 

 5.00 

 4.54 

 3.73 



P.ct. 

 4.35 

 4.20 

 4.40 

 4.70 

 5.30 

 5.90 



Lbs. 

 870.0 

 877.0 

 888.0 

 902.5 

 916.0 

 919.7 



Lbs. 



189.5 

 200.0 

 199.5 

 200.0 

 198.5 

 196.0 



Lbs. 

 50.0 

 50.0 

 50.0 

 50.0 

 50.0 

 50.0 



1,786.6 



77.27 







2,723.5 695.0 



COW 2, TICK-FREE. 



146.5 



5.27 



3.60 



664.4 



157.5 



43.2 



115.6 



4.62 



4.00 



678.0 



159.5 



37.0 



140.1 



5. 39 



3.85 



694.0 



158.5 



40.0 



130.7 



5.23 



4.00 



656.0 



177.5 



40.0 



143.9 



5.61 



3.90 



664.0 



178.5 



40.0 



138.6 



5.41 



3.90 



658.0 



178. 



40.0 



132.5 



5.17 



3.90 



657.0 



178.5 



40.0 



88.6 



3.54 



4.00 



734.0 



162.5 



40.0 



Aug. 18.... 

 Aug. 28.... 



Sept. 7 



Sept. 17. . . 

 Sept. 27... 

 Oct. 7 



Total.. 



102.0 



4.34 



4.25 



670.0 



173.0 



99.3 



4.37 



4.40 



671.0 



171.5 



97.6 



4.11 



4.20 



688.0 



165.0 



109.1 



5.02 



4.60 



702.3 



171.5 



91.9 



4.14 



4.50 



718.6 



176.0 



81.6 



4.37 



5.35 



728.2 



174.0 



1,617.9|66.59 







2,381.5 







' 



40.0 

 .40.0 

 40.0 

 40.0 

 40.0 

 40.0 



COW 3, TICK-FREE. 





157. 2 



6.45 



4.10 



707. 5 



170.0 



50.0 





149.5 



5.38 



3.60 



682.0 



177.5 



40.0 





157.9 



5.68 



3.60 



681.0 



177.5 



40.0 





155.2 



5.74 



3.70 



657.0 



173.0 



40.0 





160.6 



5.94 



3. 70 



677.0 



197.5 



40.0 





162.6 



5. 85 



3.60 



676.0 



200.0 



40.0 





153.8 



5. 54 



3.60 



693.0 



199.5 



40.0 





131.0 



4.72 



3.60 



745.0 



183.5 



40.0 



Aug. 18. 

 Aug. 28. 

 Sept. 7.. 

 Sept. 17. 

 Sept. 27. 

 Oct. 7.. 



Total. . 



140.5 

 146.2 

 139.3 

 139.0 

 115.6 

 111.4 



2,019.8 



5.62 

 5.85 

 5.36 

 5.70 

 4.68 

 5.24 



77.75 



4.00 

 4.00 

 3.85 

 4.10 

 4.05 

 4.70 



673.0 

 704.0 

 702.0 

 708.2 

 707.9 

 695.5 



180.5 

 197.5 

 173.5 

 159.5 

 133.0 

 149.0 



2,471.5 



40.0 

 40.0 

 40.0 

 40.0 

 40.0 

 40.0 



570.0 



COW 5, TICK-FREE. 



221.8 



7.98 



3.60 



746.4 



171.5 



60.0 



203. 4 



7.32 



3.60 



754.0 



173. 5 



53.0 



192.5 



6.74 



3. 50 



762.0 



167.5 



50.0 



179.2 



6. 63 



3. 70 



752.0 



155. 



40.0 



170.4 



5.79 



3.40 



740.0 



158. 



40.0 



156.2 



5.62 



3. 60 



723.0 



158- 5 



40.0 



137.2 



4.94 



3. 60 



736.0 



158.0 



40.0 



113.9 



4.21 



3.70 



841.0 



133.0 



40.0 



Aug. 18 



118.2 



4.92 



4.15 



758. 



155. 



Aug. 28 



105.2 



4.73 



4.50 



783.0 



154. 



Sept. 7 



98.5 



4.43 



4.50 



805.0 



158. 5 



Sept. 17 



95.4 



4.29 



4. 50 



810.4 



149.5 



Sept. 27 



69.8 



3.49 



5.00 



817.2 



153.5 



Oct. 7 



49.2 



2.66 



5.40 



806.8 



144.0 



Total... 



1,910.9 



73. 75 







2. 189. 5 



40.0 

 40.0 

 40.0 

 40.0 

 40.0 

 40.0 



',. 



COW 6, TICK-FREE. 





268.6 



9.13 



3.40 



729.2 



172.5 



68.0 





261. 5 



8.37 



3.20 



723.0 



179.5 



67.0 





247.7 



8. 05 



3. 25 



739.0 



177.5 



70.0 





233.0 



7.46 



3.20 



719.0 



173. 5 



70.0 





242.8 



8.26 



3.40 



717.0 



199.5 



70.0 





238. 7 



8.35 



3.50 



736.0 



200.0 



70.0 





218.3 



8.51 



3.90 



729.0 



198. 5 



70.0 





183.6 



6.43 



3.50 



810.0 



180.5 



70.0 



Aug. IS. 

 Ane. 28. 

 Sept. 7.- 

 Sept. 17. 

 Sept. 27. 

 Oct. 7... 



Total.., 



176.0 

 189.0 

 179.3 

 179.9 

 150.6 

 135. 5 



2, 904. 5 



7.04 

 7.56 

 7.35 

 6.84 

 6.02 

 5.83 



105.20 



4.00 

 4.00 

 4.10 

 3.80 

 4.00 

 4.30 



742.0 

 733.0 

 734.0 

 743. 

 754. 2 

 772.1 



185.0 

 199.5 

 190.0 

 177.5 

 175.5 

 175.5 



2, 584. 5 



70.0 

 70.0 

 70.0 

 60.0 

 60.0 

 60.0 



945.0 



