﻿THE CATTLE GKUBS OR OX WARBLES 



95 



Table 11. 



-Treatment of Hypodernia lineatum in the hacks of cattle, Dallas, 

 Tex., 191S-J924—ContmvLea 



Material and strength 



Derris powder, 12 ounces; water, 

 1 gallon. 



Gasoline 



Do 



Hellebore, dry 



Iodine, tincture, U. S. P., 25 per 



cent. 

 Iodine, tincture, V. S. P., 100 per 



cent. 

 Iodoform, 1 part; petrolatum, 10 



parts. 

 Iodoform, 1 part; petrolatum, 



5 parts. 



Do 



Iodoform, 1 part; petrolatum, 



3 parts. 

 Iodoform, 1 part; petrolatum, 



1 part. 

 Kerosene emulsion, 22.2 per cent oil . 



Kerosene, 25 per cent ; lard , 75 per 



cent. 

 Kerosene 



Lime-sulfur solution, 1.92 per cent 

 active ingredients. 



Lubricating-oil emulsion 



Nicotine sulfate, 0.08 per cent; 

 soap, 2 ounces per gallon. 



Nicotine sulfate, 0.1 per cent; soap, 

 2 ounces per gallon. 



Nicotine sulfate, 0.4 per cent nico- 

 tine. 



Nicotine dust, 2 per cent 



Nicotine, free, 0.2 per cent 



Nicotine, free, 0..52 per cent 



Nicotine, free, 0..52 per cent; soap-_. 



Nitrobenzene .-. 



No chemical used 



Paraffin oil 



Petroleum (fuel) oil 



Pinc-tar oil, crude, % per cent 

 phenol. 



Pine-tar oil, refined . . _ 



Pine tar 



Pine-tar oil, commercial, 2 parts; 



furfural, 1 part; 90 per cent 



benzol, 1 part. 



Pine tar, 1 part; paraffin oil, 1 part... 



Potassium permanganate, 2.5 per 



cent of a saturated solution. 

 Potassium permanpanatp, ."iO per 



cent of a saturated solution. 

 Pota-ssium permanganate, satur- 

 ated solution. 

 Pyrcthnim flowers, 2 pounds; grain 



alcohol, 90 per cent, 1 gallon. ^ 

 Pyrfthrum flowers, 2 pounds; 

 alcohol (denatured, formula .Oj, 

 1 gallon. 2 

 Pyrethrurn flowers, 2 pounds; 

 alcohol (grain, denatured, for- 

 mula.");, 1 gallon. 2 

 Pyrethrurn flowers, 2 pounds; 

 benzol {'Miter cent), 1 gallon. » 



How applied 



Wash on back, 1 appll 



cation. 

 Injected with syringe 

 Injected with oil can _ 



Dusted into hole 



Injected with syringe. 



do 



Pressed into hole. 

 do 



Rubbed on bumps 



Pressed into holes. . 



_do- 



Wash on back, 2 appli- 

 cations. 

 Pressed into holes 



Injected with oil can . . 



Wash on back, 2 appli- 

 cations 24 hours 

 apart. 



Oil can. 1 application _ . 



Wash on back, 2 appli- 

 cations 36 hours 

 apart. 



Wash on back 2 appli- 

 cations 48 hours 

 apart. 



Injected with syringe.. 



Dusted into hole 



Injected with syringe, 



1 application. 



do 



do .. 



Injected with syringe.. 

 Stiff brush, hard rub.. 

 Injected with syringe. 



do 



Injected with oil can, 



1 application. 



do 



Rubbed on bumps... 

 Dropped in holes 



Injected with syringe. 

 do 



.do. 

 -do. 



Injected with oil can. . . 

 do...- 



Wash on back. 



Injected with oil can.. 



480 



75 



111 



Num- 

 ber of 

 grubs 

 killed 







1410 



I 



112 



Num- 

 ber of 

 grubs 

 not 

 killed 



Stage 



111 



12 



137 

 I I 



16 







3 



1 







1 

 1100 



Num- 

 ber of 

 grubs 

 doubt- 

 ful 



Stage 



Num- 

 ber of 

 grubs 

 gone 



Stage 



3 4 5 



132 



I I 

 13 



1 

 







1 



Per- 

 cent- 

 age 

 killed 

 based 

 on 

 dead 

 and 

 alive 



60.26 



96.00 

 67.80 

 68.75 

 41.66 



64.76 



94.57 



91.72 



66.66 

 100.00 



90.82 



24.39 



41.38 



68.09 

 30.56 



21.43 

 31.82 



50.00 



100. 00 

 28.95 



55.17 

 84.52 

 86.21 

 14.29 

 62.50 

 35.71 

 91.82 



67.94 

 61.90 

 67.14 



100. 00 

 0,100.00 



83.33 



75.71 



60.56 



0100.00 



56. 52 



90.20 



' Includes all stages. Mostly fifth-stage larvsi;, but all Ktagcs not delcrminod. 

 » Open pyrethrurn flowers. Macerated for 24 hours and strained. 



