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Table 2 Concentration of penicillin residues on beef according to cattle demographics (n = 202)

From: Penicillin-G and oxytetracycline residues in beef sold for human consumption in Maroua, Cameroon

Variable Mean Median Maximum Minimum
Sex
 Male 0.109 0.068 0.198 0.068
 Female 0.140 0.072 0.773 0.001
Age (year)
 < 8 0.108 0.094 0.198 0.009
 [8; 10] 0.106 0.013 0.773 0.001
 > 10 0.192 0.106 0.734 0.003
Breed
 Red Fulani 0.143 0,072 0,773 0,001
 White Fulani 0.144 0.067 0.734 0.001
 Goudali 0.061 0.061 0.068 0.054
 Kapsiki 0.088 / / /
 Arabe Shuwa 0.119 / / /
 Toupouri 0.182 / / /
Tissus
 Muscle 0.054 0.055 0.090 0.009
 Liver 0.151 0.087 0.773 0.001
Body condition scoring
  Fat 0.128 0.128 0.196 0.061
  Normal 0.164 0.087 0.734 0.001
  Thin 0.124 0.066 0.773 0.001
 Health status
  Sick 0.163 0.090 0.773 0.001
  Healthy 0.120 0.062 0.734 0.001
 Type of production
  Fattering 0.096 0.061 0.337 0.001
  Mixed (n = 6) 0.263 0.211 0.773 0.003
  ND 0.121 0.070 0.734 0.001
 Production system
  Sedentary 0.144 0.067 0.773 0.001
  Transhumance 0.227 0.303 0.325 0.054
  ND 0.123 0.072 0.734 0.001