Antibiotics for Treatment of Cattle Respiratory Disease
Table 1

W. D. Whittier, DVM, MS
VA-MD Regional College of Vet. Med

Antibiotic	Concen- tration	Trade Name(s) (examples)	OTC/ Prescrip tion	Dosage/ route (if not IM)	Indications	Approx. cost for 500 lb for 3 days	Slaughter Withdrawals
Penicillin (Procaine)	300,000 I / ml	Pfi-Pen G, Agricillin, Procaine Pen G	OTC	1ml/ 100 lb?	Bacterial pneumonia, Organisms susceptible to penicillin	$1.20?	10 days
Penicillin (Procaine/ Benzathine)	150,000 + 150,000 I/ml	Durpen, Benzapen, Pen BP-48	OTC	2ml/ 150 lb?	Bacterial pneumonia, Upper respiratory disease, Blackleg	$1.40?	30 days
Oxytetra- cycline	100 mg/ml	Terramycin, Agrimycin-100, Oxy-Tet 100	OTC	5ml/ 100 lb	Organisms susceptible to oxytetracycline	$2.25	22 days
Oxytetra- cycline	200 mg/ml	Liquamycin LA-200, Procure 200, Biocor 200	OTC	5ml/ 100 lb	Bacterial pneumonia, foot rot, Pinkeye	$2.25- $3.25	28 days
Erythro- mycin	200 mg/ml	Erythro-200, Erythromycin- 200, Gallimycin- 200	OTC	.5 - 1 ml/ 100 lb?	Pneumonia, mastitis, metritis, foot rot, wt. loss prevention	$.75- $1.50?	14 days
Tylosin	200 mg/ml	Tylan 200, Tylosin Injection	OTC	4 ml/ 100 lb	Respiratory disease, foot rot, calf diphtheria	$1.40	21 days
Sulfadi- methoxine	400 mg/ml	Albon Inj. 40%, Sulfadadinj	OTC	31.2 ml/ 500 lb, 15.6 ml/ 500 lb Intravenous	Respiratory disease, foot rot, calf diphtheria	$5.00	5 days
Amoxicillin	250 mg/ml	Amoxi-Inject	Prescrip- tion	1.5 -2 ml/ 100 lb Im or Sub Q	Respiratory disease, foot rot	$7.50- $10.00	25 days
Ampicillin	400 mg/ml	Polyflex	Prescrip- tion	.75 -1.25 ml/ 100 lb	Respiratory disease	$8.10- $13.35	6 days
Ceftoifur	50 mg/ml	Naxcel	Prescrip- tion	1-2 ml/ 100 lb	Respiratory disease, foot rot	$7.50- $15.00	None
Tilmicosin	300 mg/ml	Micotil 300 Injection	Prescrip- tion	1.5 ml / 100 lb	Respiratory disease	$11.25
Florfenicol	300 mg/ml	Nuflor Injectable Solution	Prescrip- tion	3.0/ 100 lb	Respiratory disease	$14.00	28 days

Table 1. Injectable antibiotics approved for use in beef cattle.