Nicarbazin Residue in Tissues from Broilers Reared on Reused Litter Conditions

Nicarbazin (NCZ) is a worldwide used anticoccidial in poultry farming to avoid coccidiosis disease when chickens are reared on conventional poultry litter. If proper dosage and withdrawal time are not followed, the component dinitrocarbanilide (DNC) of NCZ may be present in chicken tissues, therefor...

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Bibliographic Details
Published in:Animals (Basel) 2022-11, Vol.12 (22), p.3107
Main Authors: Feddern, Vivian, Scheuermann, Gerson N, Coldebella, Arlei, Gressler, Vanessa, Bedendo, Gizelle C, Caron, Luizinho, Pedroso, Antonio C, Bacila, Danniele M, Cunha, Jr, Anildo
Format: Article
Language:English
Subjects:
Agricultural wastes
Aluminum
Animal tissues
Anticoccidials
Birds
chemical residues
chicken breast fillet
chicken liver
Chickens
Coccidiosis
Contamination
Diet
DNC residues
Experiments
Farmers
Fasting
Feed additives
Females
Food additives
Food contamination
Food safety
liquid chromatograph
Liver
Males
Plastics
Poultry
Poultry farming
Poultry production
Residues
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Summary:Nicarbazin (NCZ) is a worldwide used anticoccidial in poultry farming to avoid coccidiosis disease when chickens are reared on conventional poultry litter. If proper dosage and withdrawal time are not followed, the component dinitrocarbanilide (DNC) of NCZ may be present in chicken tissues, therefore posing a risk to consumers if the residues are above 200 µg/kg. Litter reuse is a common and important practice in commercial chicken production. Literature is lacking about the influence of litter reuse on DNC deposition in chicken tissues and its impact on food safety. We aimed to evaluate DNC residues in breast and liver by LC-MS/MS from broilers from an experiment with 10 consecutive flocks during 2 years. The experiment included three treatments containing NCZ in the diet (T1 = 125 mg/kg, 1−21 d; T2 = 125 mg/kg, 1−32 d; T3 = 40 mg/kg, 1−32 d). DNC residues in chicken breast at 21 d in T1 ranged from 648.8−926 µg/kg, at 32 d in T2 and T3 varied, respectively, from 232−667 µg/kg and 52−189 µg/kg. Regarding liver, DNC residues at 21 days in T1 ranged from 11,754−15,281 µg/kg, at 32 days in T2 and T3 varied, respectively, from 10,168−15,021 µg/kg and 2899−4573 µg/kg. When NCZ was withdrawn from feed, DNC residues dropped to
ISSN:2076-2615
2076-2615
DOI:10.3390/ani12223107