520.2123c—Spectinomycin solution.
        
        (a) Specifications.
         Each milliliter of solution contains spectinomycin dihydrochloride pentahydrate equivalent to 50 milligrams (mg) spectinomycin.
    
    
    
    
        
        (d) Conditions of use in swine—
        
        (1) Amount.
         Administer 5 mg per pound (lb) of body weight orally twice daily for 3 to 5 days.
    
    
        
        (2) Indications for use.
         For the treatment and control of porcine enteric colibacillosis (scours) caused by E. coli susceptible to spectinomycin in pigs under 4 weeks of age.
    
    
        
        (3) Limitations.
         Do not administer to pigs over 15 lb body weight or over 4 weeks of age. Do not administer within 21 days of slaughter.