| oxytetracycline residues in bovine carcasses slaughtered at mansoura abattoir, egypt. | oxytetracycline residues were examined in 600 samples (200 each of muscles, livers and kidneys) collected randomly from bovine carcasses slaughtered at mansoura abattoir in dakahlia province, egypt. a microbial inhibition test using bacillus subtilis atcc- 6633 was employed to screen the obtained samples for antibiotic residues in meat. the results showed that 2% of samples were positive. oxytetracycline residues exceeded the maximum residue limits (mrls) in 1.33% of the examined samples. thus, ... | 2013 | 23631152 |