Upon arrival 2,142 feeder calves were divided into two groups. A total of 1,064 head were vaccinated with only one injection of Re-17 mutant Salmonella typhimurium bacterin-toxoid and placed in eight pens adjacent to and alternating with nine pens containing the 1,078 head of nonvaccinated controls.
Gram-negative endotoxemia contributes to the signs associated with diarrheal
septicemias, and pneumonias in cattle.
Seventeen neonatal calves comprised the ill group for Phase 1 of this study. Phase 2 was comprised of 246 head of normal neonatal calves. Twelve of the 17 ill calves received 0.8 to 1.0 ml/lb of antiserum for treatment of gram-negative diarrhea; 8 of the 12 calves received antibiotics, oral electrolytes, and anti-diarrheal treatment in addition to the antiserum; 3 of the 12 calves received antiserum only; and 1 of the 12 calves received antiserum plus oral electrolyte therapy without concomitant antibiotic therapy.
Historically ENDOVAC-Beef® has been the gold standard for protecting neonatal and light weight calves from Gram negative diarrheas and pneumonias. Recent studies have shown that pre-conditioning of feed lot steers with ENDOVAC-Beef® (IMMVAC, INC., 6080 Bass Lane, Columbia, MO 65201; Ph. 573-443-5363) a) not only reduces the incidence of illness and treatment costs, but b) more importantly increases average weight gain by 143 to 186 pounds over the finishing cycle, thus increasing the bottom line by $143 to $186 per head at today’s prices.
Dosage, sizes, features and benefits.
Dosage, sizes, features and benefits.
Dosage, sizes, features and benefits.
In today’s intensive beef and dairy production systems, one must recognize and address the potential negative impact of management practices which stress the animal. These stresses can predispose animals to gram-negative, opportunistic challenges resulting in severe losses in performance, morbidity and death.
Doseage, sizes, features and benefits.
Dosage, sizes, features and benefits.
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