EFFECT OF CATTLE TICK ON MILK PRODUCTION. 



21 



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



COW 12, TICK-INFESTED. 





Milk production. 



5 



'3 



■d 



o 



n 



Feed con- 

 sumed. 



Ten-day 

 period 

 ended — 



Milk production. 



.1 





 pq 



Feed con- 

 sumed. 



Ten-day 

 period 

 ended — 



o 



< 



o 



S3 

 S " 

 < 



o 

 9 £ 



?? 



.3 



o 



o 



s 

 < 



o 



< 



o 



11 

 





a 

 '3 



5 



1913. 

 Mav 30 , . 



June 9 



June 19 



June 29 



Juiy 9 



July 19 . . 

 July 29 . , 

 Aug. 8 



Lbs. 

 221.0 

 213.6 

 209.7 

 200.3 

 199.0 

 192.9 

 161.0 

 143.0 



Lbs. 

 7.62 

 6.73 

 7.34 

 6.01 

 6.57 

 6.75 

 6.08 

 5. 15 



P.ct. 

 3.45 

 3.15 

 3.50 

 3.00 

 3.30 

 3.50 

 3.80 

 3.60 



Lbs. 

 640.2 

 643.0 

 675.0 

 648.0 

 623.0 

 623.0 

 628.0 

 715.0 



Lbs. 



154.5 



171.5 



179.0 



181.5 



192.5 



191.0 



173.0 



169.0 



Lbs. 

 58.0 

 55.0 

 62.0 

 60.0 

 60.0 

 60.0 

 61.5 

 60.0 



1913. 

 Aug. 18 . . 



Aug. 28 



Sept. 7 



Sept. 17 

 Sept. 27 

 Oct. 7 . 



Total... 



Lbs. 

 135.5 

 122.2 

 130.1 

 118.0 

 112.4 

 110.2 



Lbs. 

 5.01 

 4.77 

 4.55 

 4.90 

 5.17 

 5.07 



P.ct. 

 3.70 

 3.90 

 3.50 



4. 15 

 4.60 

 4.60 



Lbs. 



620.0 



622.0 



622.0 



622.0 



626.7 



655.3 



Lbs. 



172.0 



166.0 



161.0 



154.5 



164.5 



174. 5 



Lbs. 

 60.0 

 60.0 

 60.0 

 60.0 

 60.0 

 60.0 



2,268.9 81.72].-.... 







2,404.5S36.5 



COW 13, TICK-INFESTED. 



May 30. 

 June 9.. 

 June 19. 

 June29. 

 July 9 . . 

 July 19. 

 July 29. 

 Aug. 8.. 



224.6 



8.53 



3.80 



587.7 



152.5 



58.0 



224.9 



8.55 



3. 80 



57R.0 



156.0 



56.0 



219.6 



8.23 



3.75 



590.0 



178.0 



62.0 



213.9 



7.91 



3.70 



567.0 



179.0 



60.0 



213.7 



8.65 



4.05 



582.0 



195.5 



60.0 



211. 2 



8.03 



3.80 



578.0 



200.0 



60.0 



190.8 



7.63 



4.00 



590.0 



197.5 



61.5 



148.9 



5.81 



3.90 



649.0 



191.5 



60.0 



Aug. 18.... 



Aug. 28 



Sept. 7 



Sept. 17.... 

 Sept. 27.... 

 Oct. 7 



153.5 6.14; 4.00 



146.2 6.14; 4.20J 



134.5 5.65; 4.20) 



116.0 5.63; 4.85 



110. 6 5. 64i 5. 101 



103.0 5.67 1 5.50 



591.0 



189. 



594. 



184. 5 j 



564. 



158. 5 



565.7 



136. 5 



566. 5 



139.5 



573.9 



139. 5; 



60.0 

 60.0 

 60.0 

 50.0 

 50.0 

 50.0 



Total... 2,411.4 98.21 



2, 397. 5 807. 5 



COW 14, TICK-INFESTED. 



May 30. 

 June 9.. 

 June 19. 

 June 29. 

 July 9.. 

 July 19. 

 July 29. 

 Aug. 8.. 



128.7 



4.50 



3.50 



664.1 



166.5 



32.0 



125.2 



4.07 



3.25 



655.0 



168.0 



32.0 



119.6 



4.19 



3. 50 



676.0 



177.5 



42.0 



116.7 



4.08 



3.50 



648.0 



160.0 



40.0 



120.0 



4.20 



3. 50 



655. 



189.5 



40.0 



120.5 



4.10 



3.40 



665.0 



180.0 



40.0 



112.9 



3.84 



3.40 



640.0 



180.0 



40.5 



85.2 



2.90 



3.40 



730.0 



168.5 



40.0 



Aug. 18 95.0 3.74! 3.95 



Aug. 28 ! 101.5' 3.86J 3.80 



Sept. 7 ' 102.6! 3.28j 3.20 



Sept. 17 1 112.1! 4.091 3.65 



Sept. 27 ' 99.1 4.16 4.20 



Oct. 7 ' 101.9 4.08 4.00 



Total... 1,541.0 55.09 



665. 

 651.0 

 669. 

 684. 6 

 696. Ol 

 707. 0; 



178.0 40.0 



182.0 40.0 



173.0 40.0 



179.5 40.0 



176.5 49.0 



172.5 50.0 



. . 2, 451. 5 565. 5 



COW 15, TICK-INFESTED. 



May 30, 

 June 9. 

 June 19 

 June 29 

 July 9. 

 July 19, 

 July 29 

 Aug. 8. 



250.4 



8.01 



3.20 



865.6 



176.0 



68.0 



247.5 



7.18 



2.90 



863.0 



180.0 



62.0 



244.9 



7.47 



3. 05 



886.0 



180.0 



72.0 



235.9 



7.55 



3. 20 



816.0 



181.5 



70.0 



240.6 



6.98 



2.90 



864.0 



199.0 



70.0 



235.1 



7.52 



3. 20 



868.0 



200.0 



70.0 



207.9 



6.65 



3.20 



846.0 



217.0 



70.5 



170.7 



5.29 



3.10 



925.0 



194.5 



70.0 



Aug. 18. 

 Aug. 28. 

 Sept. 7. 

 Sept. 17 

 Sept. 27 

 Oct. 7.. 



163.9 

 168.3 

 151.1 

 120.2 

 79, 

 5.0 



Total... 2,521.2 80.85 







5.41 

 6.06 

 4.53 

 4.21 

 3.75 

 0.24 



3.30 

 3.60 

 3.00 

 3.50 

 4.70 

 4.70 



853.0 

 881.0 

 818.0 

 832.2 

 825.9 

 801.8 



188.5 70.0 

 196.0 70.0 



183.5 



174.5 



156.0 



14. Q 



70.0 



60.0 



60.0 



6.0 



COW 16, TICK-INFESTED. 



May 30 

 June 9. 

 June 19 

 June 29 

 July 9. 

 Julv 19 

 July 29 

 Aug. 8. 



154.3 



5.39 



3.50 



162.8 



5.70 



3.50 



154.5 



4.94 



3.20 



145.9 



4.96 



3.40i 



153.6 



4.99 



3.251 



156.8 



4.70 



3.00 1 



140.9 



4.65 



3.30: 



117.3 



3.75 



3.20 



763.0 

 757.0 

 768.0 

 741. 

 752. 

 735.0 

 764.0 

 831.0 



170.0 



40.0 



176.5 



38.0 



179.5 



42.5 



182.0 



40.0 



195. 5 



40.0 



200.0 



40.0 : 



200.0 



40.5 



183.5 



40.0 



Aug. 18. . . 

 Aug. 28. . . 

 Sept. 7.... 

 Sept. 17... 

 Sept. 27... 

 Oct. 7 



Total. 



107.7 

 97.6 

 89.3 

 84.2 

 74.1 

 64.0 



4.20 

 3.90 

 3.75 

 3.37 

 3.45 

 3.20 



1,703.0:60.95 



3.90 

 4.00 

 4.20 

 4.00 

 4.65 

 5.00 



783.0 

 776.0 

 749.0 

 772.5 

 788.0 

 811.7 



188.5 40.0 



197.0 40.0 



182.5' 40.0 



172.0 40.0 



177.0 

 176.0 



40.0 

 40.0 



2,580.0 561.0 



