Durvet Sustain III Cattle Bolus - 50 ct

  • Sustained action
  • Fast acting
  • Highly concentrated
  • Short withdrawal time
Availability: In stock


Not available for sale to California customers

Sustain III Boluses are intended for oral administration to beef cattle and non-lactating dairy cattle. Sustain III Boluses are indicated for the treatment of the following diseases when caused by one or more of the following pathogenic organisms sensitive to sulfamethazine: Bacterial Pneumonia and Bovine Respiratory Disease Complex, (shipping fever complex) (Pasteurella spp.), Colibacillosis (bacterial scours) (E.coli), Necrotic pododermatitis (foot rot), Calf Diphtheria (Fusobacterium necrophorum), and Acute Metritis (Streptococcus spp.)


Beef cattle and Non-lactating dairy cattle.

  • Sustained action - 3 full days from a single treatment
  • Fast acting - Reaches minimum therapeutic blood levels within 6 hrs post administration
  • Highly concentrated - Provides peak antibiotic blood levels of 250 ppm - Quickly acts to break fever and illness
  • Short withdrawal time - 12 days

Sustain III boluses are designed to be administered orally to beef cattle and non-lactating dairy cattle according to the following dosage schedule:

Animal Body Weight = # of Boluses

  • 200 lb: 1
  • 300 lb: 1.5
  • 400 lb: 2
  • 500 lb: 2.5
  • 600 lb: 3
  • 700 lb: 3.5
  • 800 lb: 4
  • 900 lb: 4.5
  • 1000 lb: 5

This bolus may be divided for better approximation of correct dose; however, care should be taken not to crush the bolus. The above dosage schedule should be used at each 72-hr interval.

  • Number of Count: 50 ct


Instruction Manual.pdf

Safety Data Sheet.pdf


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