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Feed additives for swine 3. Comparison of copper and antibiotics for grower rations
(Virginia Agricultural Experiment Station, 1973)
Antibiotic combinations appeared to be slightly more effective at improving gain in swine than copper
Feed additives for swine 1. Antibiotics and antibiotic sulfa drug combinations for starter and grower rations
(Virginia Agricultural Experiment Station, 1973)
Neomycin and oxytetracycline added alone and in combination and chloratetracycline and penicillin with sulfathiazole or sulfamethazine were effective in stimulating feed intake and average daily gain.
Bacterial and yeast preparations for starter and grower rations
(Virginia Agricultural Experiment Station, 1973-02)
Antibiotic combinations were effective in stimulating growth, with the major effect being upon feed intake