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Table 1 Percentage (%) of cattle carcasses contaminated according to their demographics

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

Variables PEN residues OTC residues OTC + PEN residues
Age (year)
 < 8 (n = 37) 18.92 0 18.92
 8–10 (n = 101) 17.82 1.98 19.80
 > 10 (n = 59) 16.95 1.69 18.64
 ND (n = 5) 60 0 60
Sex
 Entired male (n = 13) 15.38 0 15.38
 Castrated male (n = 4) 0 0 0
 Female (n = 185) 19.46 1.49 21.08
Production system*
 Transhumance (n = 16) 25 6.25 31.25
 Sedentary (n = 62) 19.35 0 19.35
 ND (n = 124) 17.74 1.61 19.35
Type of production*
 Fattery (n = 46) 17.39 0 17.39
 Mixed (n = 30) 23.33 3.33 26.67
ND (n = 125) 18.4 1.60 20
Health status**
 Sick (n = 21) 80.95 4.76 85.71
 Healthy (n = 181) 11.60 1.10 12.70
Body condition score
 Thin (n = 131) 18.32 1.53 19.85
 Normal (n = 69) 18.84 1.45 20.30
 Fat (n = 1) 100 0 100
Breed*
 Goudali (n = 13) 23.08 0 23.08
White Fulani (n = 65) 18.46 1.54 20
Red Fulani (n = 96) 20.83 2.08 22.92
 Arabe Shuwa (n = 8) 12.5 0 12.5
 Toupouri (n = 3) 33.33 0 33.33
 Kapsiki (n = 9) 11.11 0 11.11
 Peul (n = 1) 0 0 0
ND (n = 7) 0 0 0
Slaughterhouses    
 Municipal (n = 115) 13.04 1.74 14.78
 Makabaye (n = 45) 22.22 0 22.22
 Kongola (n = 26) 26.92 0 26.92
 Meskine (n = 8) 25 12.5 37.50
 Salak (n = 5) 0 0 0
Godola (n = 3) 100 0 100
  1. PEN penicillin G, OTC Oxytetracycline, ND No determined
  2. *P < 0.05, **P < 0.01