He THE CATTLE GRUBS OR OX WARBLES 95 
2 
| Taste 11.—Treatment of Hypoderma lineatum im the backs of cattle, Dallas, 
| Tex., 1918—1924—Continued 
o| oC 
SS asi Num- | Num- 
8 5 ber of bene ber of er of| Per- 
5/8 { grubs | 2U SUS | scrubs | cent- 
2| 21 killed | ,BOt, |doubt-) “cone | age 
B| killed | ful killed 
Material and strength How applied S| & based 
|e on 
S S Stage | Stage | Stage | Stage | dead 
oO; o 
Rot os and 
E 5 alive 
lz |8| 4) 5 (8/4) 513) 4)5)3) 415 
Derris powder, 12 ounces; water, | Washon back, lappli-|11} 78) 147 131 0} 0} O| 0} O} O} 60. 26 
1 gallon. cation. 
BeASOLITMO%: staat WE pe Se Iniected with syringe_! 9} 34! 0} 10) 14} 0} 0} 1} 0} 1) 8} O} O} 0; 96.00 
TD Op cians Wel Se a ee ee cia Injected with oil can __|19] 91) 0} 6} 34) 0} 2} 17} 0} 0} 6] OF 0/26) 67. 80 
mellebores drys 22 2: 2h ee Dusted into hole_____- 1{ 20} 0] 3] 8] O} 1} 4] 0; 1) 3} O} O} O} 68.75 
Iodine, tincture, U.S. P., 25 per | Injected with syringe-| 1] 12} 0} 0} 5} 0} 0} 7| 0} 0} 0} O} O} O} 41.66 
cent. 
Iodine, tincture, U. S. P., 100 per |____- GO BE ee Be 68/437! 0} 0/204) 0) 0)111) 0/27/95) 0} 0} 0} 64. 76 
cent. 
Iodoform, 1 part; petrolatum, 10 | Pressed into hole_-____- 57|255| 0} 12/197} 0] 0} 12} 0} 0} 2) 0 be 94. 57 
parts. : 
Jodoform, 1 part; petrolatum, |____- CO Ko} sige Seapine ane ates eal 88/480} 1410 137 QO} 0} 1) 132 | 91.72 
5 parts. ey a 
1) REE ees 2 eee OEE ed See Se Rubbed on bumps_-_-_-|12} 21) 112 16 0} 0} Oo} 13 66. 66 
| Jodoform, 1 part; petrolatum, | Pressed into holes-____- 10] 67] O| 1] 42) O] O| Oj} 0} 0} O} Of 0/24)100. CO 
3 parts. 
Jodoform, 1 part; petrolatum, |____-_ COE ae ee 41/223) 1] 8/179] 0} 3} 16} 0} 1) 4] 0} 0/11) 90.82 
| 1 part. 
' Kerosene emulsion, 22.2 per cent oil_| Wash on back, 2 appli- |13) 41] 0) 2| 8) 0} 1} 30} 0| 0} 0} 0} 0} 0} 24.39 
cations. 
- Kerosene, 25 per cent; lard, 75 per | Pressed into holes____- 9} 60} 0} 1) 11) O} 0} 17) O} 0/31} O| 0} O, 41.38 
cent. 
EOOSGITG Bee oie Ue) eee ee eek Injected with oil can__|10} 67} 6] 0} 32) 0} 1} 14} 0! O! 3} 0 017). 68.09 
Lime-sulfur solution, 1.92 per cent | Wash on back, 2appli- |22|147/ 144 1100 12 0| O| 1) 30. 56 
active ingredients. cations 24 hours 
apart. 
Lubricating-oil emulsion __-_______. Oilcan, l application __| 6} 59} 1} 5] 6 | 0/17] 27] 0) 0) 1) 0} 0} 2) 21.48 
Nicotine sulfate, 0.08 per cent; | Washon back, 2appli- |28} 73] 0| 0} 14} 0] 1) 29] 0| 0) Ol 0} 0/29) 31.82 
soap, 2 ounces per gallon. cations 36 hours | 
apart. 
Nicotine sulfate, 0.1 per cent; soap, | Wash on back 2 appli- |14| 52] 0] 0} 5) 0} 1] 28] 0} 0} 0} 0} 0/18) 14. 71 
2 ounces per gallon. cations 48 hours 
apart. 
pecotine sulfate, 0.4 per cent nico- imaecied withsyringe__| 2) 10) 0} 3] 1] 0} 0} 4] 0} 0} 0} 0} 0} 2| 50.00 
ine. . 
Nicotine dust, 2 per cent __________- Dusted into hole_____- 27| 77| O| 0} 74| 0} O} 0} 0} O| O} O| O} 3/100. 00 
Nicotine, free, 0.2 per cent__________- Injected with syringe, |14| 88] 0} 7] 15} 1/11] 42} 0} 0} 2} 0} 0/10) 28.95 
te 1 application. 
Nicotine, free, 0.52 per cent__.______|____- doses evens 18/164) 0) 17} 63] 0/23] 42) 0) 0; 1) 0) 0/18) 55. 17 
Nicotine, free, 0.52 per cent; soap_--_|____- Goze Eis es ae 14}100] 0} 17} 54] O} 1} 12) 0} O} 1} O} 0/15) 84. 52 
Nitrobenzene_-____- ye U i On ee he Injected with syringe_..|20} 68} 0] 16] 34] 0] 1) 7} 0) 0} 1] 0} 0} 9} 86. 21 
No chemical used - -___._..--___-._- Stiff brush, hardrub___} 2} 10] 0} 0} 1] 0} G| 6] O} O} O} O} O} 3) 14. 29 
Beibaeiit) Olle oe 0) 25 Se Fee ee Injected with Syringe_|18} 88} 0; 0} 55} 0} 0} 33} 0} 0} 0} 0} 0} 0} 62.50 
meorolenm (fuel): oil 22-2) et do wes bela sie to 8} 30) 0} 0] 5} 0} OF 9} Of 1/15) O| O| O} 35.71 
Pine-tar oil, crude, 34 per cent | Injected with oil can, |13/163] 3/125} 18) 0) 7| 6] 0} 2| O} 0} 0} 2| 91.82 
phenol. 1 application. 
mrine-tar oil, refined’. © __ 21.2.2. -2_|_2_-- GOs sR Ey seer 20/162] 0} 34] 55) 0) 0} 42] 0] 0} O} 0} 0/31) 67.94 
TOG RRS GS ae ad eg Rubbed on bumps_-__-_| 6} 35} 0} 0} 13} 0} 0} 8] 0} 0/14] 0) 0] 0} 61.90 
Pine-tar oil, commercial, 2 parts; | Dropped in holes______ 3] 14] 0} 2) 6 0} O} 6} 6} O} Oj O} O} OF 57. 14 
furiural, 1 part; 90 per cent 
benzol, 1 part. 
Pine tar, 1 part; paraffin oil, 1 part___| Injected with syringe__| 4| 14] 0} 2] 6] 0| 0| 0} oj 1! 5] 0} 0] 0 100.00 
Potassium permanganate, 25 per |_____ Gosesse ee Pees 4| 4) 0} O}| 4) 0} 0} O} O} O} O} O} 0; 0,100.06 
cent ofasaturated solution. 
Potassium permanganate, 50 per }__..2 Go tL hea ite sl 1} 6] Of 0} 5] 0} Of 1] 0} Of O} O| O| O| 83.33 
cent ofasaturated solution. 
Potassium permanganate, satur- |____- O22 ESS Sore. 24/146] 0; 5/101! 0} 0| 34! 0} 0} 6} O} O} O} 75. 71 
- ated solution. 24g 
-Pyrethrum flowers, 2 pounds; grain | Injected with oil can___|21| 75] 1) 30] 12|-0} 4| 24) 0] 0} 1/ 0| O| 3) 60.56 
alcohol, 96 per cent, 1 gallon.? 
Pyrethrum flowers, Ze DOuUNnds a|=aees (6 oer A se 2} 19] 0] 14) 5] 0] 0} 0} Oj O} O} O| 0} 0100.00 
alcohol (denatured, formula 5), 
1 gallon.2 
Pyrethrum flowers, 2 pounds; | Wash on back_________ 21/111} 0} 11] 41} 0} 1) 39] 0} 0} 4) 0} 0/15) 56. 52 
alcohol (grain, denatured, for- 
mula 5), 1 gallon.? 2 
Pyrethrum flowers, 2 pounds; | Injected with oil can___|11/126| 1) 74} 49] 0] 0] 1] 0] 0} 1) O} 0} 0} 99.20 
benzol (90 per cent), 1 gallon.? | 
1 Includes allstages. Mostly fifth-stage larve, but all stages not determined. 
? Open pyrethrum flowers, Macerated for 24 hours and strained. 
