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Herrero-Villar M, Taggart MA, Mateo R. Pharmaceuticals in avian scavengers and other birds of prey: A toxicological perspective to improve risk assessments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174425. [PMID: 38969127 DOI: 10.1016/j.scitotenv.2024.174425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 06/06/2024] [Accepted: 06/30/2024] [Indexed: 07/07/2024]
Abstract
Pharmaceuticals are emerging contaminants given their increasing use worldwide due to intensive food production and population growth. These compounds reach the environment through different pathways with potential negative consequences for wildlife. One dramatic example occurred in Asia, where three native vulture populations collapsed almost to extinction due to acute intoxication with diclofenac, a veterinary use non-steroidal anti-inflammatory drug (NSAID). As seen with diclofenac, avian scavengers are useful sentinels to monitor for the presence of pharmaceuticals in the environment given their position at the top of the trophic chain, and in the case of obligate avian scavengers (vultures), their intimate link to domestic animal carcasses. Unfortunately, little is known about the wider exposure and potential health and population risks of pharmaceuticals to birds of prey. Here we compile literature data regarding relevant toxicological aspects of the most important pharmaceutical groups for birds of prey in terms of toxicity: NSAIDs, antibiotics, external antiparasitics and barbiturates. This work also includes critical information for future risk assessments, including concentrations of drug residues that can remain in animal tissues after treatment, or specific pharmaceutical features that might influence their toxicity in avian scavengers and other birds of prey. We also consider future research needs in this field and provide management recommendations to prevent potential intoxication events with pharmaceuticals in these species. This review highlights the need to consider specific risk assessments regarding exposure to pharmaceuticals, especially those used in veterinary medicine, for birds of prey.
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Affiliation(s)
- Marta Herrero-Villar
- Instituto de Investigación en Recursos Cinegéticos-IREC, CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13071 Ciudad Real, Spain.
| | - Mark A Taggart
- Environmental Research Institute, University of the Highlands and Islands, Castle Street, Thurso, Caithness, Scotland KW14 7JD, UK
| | - Rafael Mateo
- Instituto de Investigación en Recursos Cinegéticos-IREC, CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13071 Ciudad Real, Spain; Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain
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Liu M, Jia M, E Y, Li D. A novel ion selective electrode based on reduced graphene oxide for potentiometric determination of sarafloxacin hydrochloride. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106678] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Koutsoumanis K, Allende A, Alvarez‐Ordóñez A, Bolton D, Bover‐Cid S, Chemaly M, Davies R, De Cesare A, Herman L, Hilbert F, Lindqvist R, Nauta M, Ru G, Simmons M, Skandamis P, Suffredini E, Andersson DI, Bampidis V, Bengtsson‐Palme J, Bouchard D, Ferran A, Kouba M, López Puente S, López‐Alonso M, Nielsen SS, Pechová A, Petkova M, Girault S, Broglia A, Guerra B, Innocenti ML, Liébana E, López‐Gálvez G, Manini P, Stella P, Peixe L. Maximum levels of cross-contamination for 24 antimicrobial active substances in non-target feed. Part 12: Tetracyclines: tetracycline, chlortetracycline, oxytetracycline, and doxycycline. EFSA J 2021; 19:e06864. [PMID: 34729092 PMCID: PMC8546800 DOI: 10.2903/j.efsa.2021.6864] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The specific concentrations of tetracycline, chlortetracycline, oxytetracycline and doxycycline in non-target feed for food-producing animals, below which there would not be an effect on the emergence of, and/or selection for, resistance in bacteria relevant for human and animal health, as well as the specific antimicrobial concentrations in feed which have an effect in terms of growth promotion/increased yield were assessed by EFSA in collaboration with EMA. Details of the methodology used for this assessment, associated data gaps and uncertainties are presented in a separate document. To address antimicrobial resistance, the Feed Antimicrobial Resistance Selection Concentration (FARSC) model developed specifically for the assessment was applied. The FARSC for these four tetracyclines was estimated. To address growth promotion, data from scientific publications obtained from an extensive literature review were used. Levels in feed that showed to have an effect on growth promotion/increased yield were reported for tetracycline, chlortetracycline, oxytetracycline, whilst for doxycycline no suitable data for the assessment were available. Uncertainties and data gaps associated with the levels reported were addressed. It was recommended to perform further studies to supply more diverse and complete data related to the requirements for calculation of the FARSC for these antimicrobials.
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Gray P, Jenner R, Norris J, Page S, Browning G. Antimicrobial prescribing guidelines for poultry. Aust Vet J 2021; 99:181-235. [PMID: 33782952 PMCID: PMC8251962 DOI: 10.1111/avj.13034] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 08/28/2020] [Indexed: 01/20/2023]
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Synthesis and evaluation of bisulfate/mesylate-conjugated chlortetracycline with high solubility and bioavailability. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2020; 70:483-498. [PMID: 32412434 DOI: 10.2478/acph-2020-0041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/24/2020] [Indexed: 02/06/2023]
Abstract
The aim of this work is to improve the solubility and bioavailability of chlortetracycline and the function of the immune response. Chlortetracycline bisulfate and chlortetracycline mesylate were successfully synthesized and characterized with several techniques, including spectroscopy, chromatography and mass spectrometry, which demonstrated that the C4-dimethylamino group of chlortetracycline can accept a proton from sulfuric acid and methanesulfonic acid to form the corresponding salts. In addition, chlortetracycline bisulfate and chlortetracycline mesylate were more soluble in water than chlortetracycline hydrochloride, but the antibacterial activity was not enhanced. The influences of chlortetracycline hydrochloride, chlortetracycline bisulfate and chlortetracycline mesylate on chlortetracycline and immunoglobulin concentrations in mouse serum were also investigated. These results suggested that the chlortetracycline bisulfate and chlortetracycline mesylate have good bioavailability and strong immune response and have potential applications in animal breeding and formulation technologies.
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Comparative pharmacokinetics of chlortetracycline, tetracycline, minocycline, and tigecycline in broiler chickens. Poult Sci 2020; 99:4750-4757. [PMID: 32988509 PMCID: PMC7598109 DOI: 10.1016/j.psj.2020.06.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 05/09/2020] [Accepted: 06/19/2020] [Indexed: 11/22/2022] Open
Abstract
Tetracyclines continue to be important antimicrobials in veterinary medicine. However, the pharmacokinetics (PK) of tigecycline (TIG) and minocycline (MIN) in broiler chickens has not been investigated to date, and the PK of chlortetracycline (CTC) and tetracycline (TET) remains insufficiently researched, especially in terms of absorption. These antimicrobials have never been compared in a single setting in a single species; therefore, the aim of the present study was to compare the PK of TIG, MIN, CTC, and TET in broiler chickens. Each drug (10 mg/kg) was administered intravenously (IV) and orally (PO). The plasma concentrations of each drug were determined by liquid chromatography-tandem mass spectrometry, and the results were analyzed using compartmental and non-compartmental PK models. Despite the fact that all of the studied antimicrobials were administered at an identical IV dose, the area under the concentration-time curve between zero and the last sampling point (AUC0→t) for MIN (35,014 ± 3,274 μg × hour/mL) and CTC (41,851 ± 10,965 μg × hour/mL) differed significantly from that determined for TIG (18,866 ± 4,326 μg × hour/mL) and TET (17,817 ± 4,469 μg × hour/mL). After IV administration, the values of AUC0→t were also directly related to total body clearance values which were significantly higher for TIG (0.56 ± 0.14 L/hour × kg) and TET (0.60 ± 0.14 L/hour × kg) than for CTC (0.25 ± 0.05 L/hour × kg) and MIN (0.29 ± 0.03 L/hour × kg). In turn, after PO administration, TIG was absorbed in only 1.55% ± 0.82, and CTC in 30.54% ± 6.99, whereas the bioavailability of MIN and TET was relatively high at 52.33% ± 3.92 and 56.45% ± 9.71, respectively. The differences in PK parameters between these drugs, despite their structural similarities, suggest that active transport mechanisms may play a role in their absorption and distribution.
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Xu N, Li M, Fu Y, Zhang X, Ai X, Lin Z. Tissue residue depletion kinetics and withdrawal time estimation of doxycycline in grass carp, Ctenopharyngodon idella, following multiple oral administrations. Food Chem Toxicol 2019; 131:110592. [PMID: 31220539 DOI: 10.1016/j.fct.2019.110592] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/12/2019] [Accepted: 06/14/2019] [Indexed: 12/15/2022]
Abstract
This study aimed to determine the plasma and tissue residue depletion kinetics of doxycycline (DC) in grass carp (Ctenopharyngodon idella) after daily oral administrations at 20 mg/kg for 3 days, and to calculate the corresponding withdrawal times. Following drug administrations, samples of plasma, liver, kidney, gill and muscle + skin were collected at predetermined time points (0.25, 0.5, 1, 3, 5, 7, 14, 21, 28, 35, 42, 49 and 56 days) and analyzed for concentrations of DC using a LC-MS/MS method. The results showed that liver had the highest concentrations and the slowest depletion compared to other tissues, with detectable DC up to 49 days (58.9 ± 12.8 μg/kg). The WT 1.4 software and "reschem" package were used to calculate withdrawal times, and the results were similar. The results suggest a withdrawal time of 41 days for Europe and China and 50 days for Japan is needed for DC in grass carp after 3 daily oral administrations at 20 mg/kg. Overall, this study improves our understanding of the tissue residue depletion kinetics of DC in fish, and the results may help regulatory agencies to determine proper withdrawal periods based on different regulatory standards in different countries to ensure safety of aquatic food products.
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Affiliation(s)
- Ning Xu
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China; Institute of Computational Comparative Medicine (ICCM), Department of Anatomy and Physiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506, USA; Hu Bei Province Engineering and Technology Research Center of Aquatic Product Quality and Safety, Wuhan, 430223, China.
| | - Miao Li
- Institute of Computational Comparative Medicine (ICCM), Department of Anatomy and Physiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506, USA.
| | - Yu Fu
- Hunan University of Arts and Science, Changde, 415000, China.
| | - Xiaomei Zhang
- Hunan Applied Technology University, Changde, 415000, China.
| | - Xiaohui Ai
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China; Hu Bei Province Engineering and Technology Research Center of Aquatic Product Quality and Safety, Wuhan, 430223, China.
| | - Zhoumeng Lin
- Institute of Computational Comparative Medicine (ICCM), Department of Anatomy and Physiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506, USA.
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Li B, Zhang JQ, Han XG, Wang ZL, Xu YY, Miao JF. Macleaya cordata helps improve the growth-promoting effect of chlortetracycline on broiler chickens. J Zhejiang Univ Sci B 2019; 19:776-784. [PMID: 30269445 DOI: 10.1631/jzus.b1700435] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Chlortetracycline (CTC), one kind of common antibiotic for prevention and treatment of various diseases, also exhibits good performance in accelerating the growth of livestock. Macleaya cordata, a traditional Chinese medicine, is usually used as a natural additive in livestock because of its anti-microbial, anti-fungal, anti-inflammatory, and pesticidal activity. In this work, we studied whether M. cordata helps regulate the growth-promoting effect of CTC on broiler chickens. It is demonstrated that M. cordata improves the growth-promoting effect of CTC on growth performance indices of broiler chickens, such as survival rate, daily weight, and feed to weight rate. M. cordata also delays the maximum of CTC residues in plasma. It may depend on the higher values of operational taxonomic unit (OTU) and the indices of α diversity driven by simultaneous use of CTC and M. cordata.
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Affiliation(s)
- Bin Li
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Jin-Qiu Zhang
- National Research Center for Veterinary Vaccine Engineering and Technology of China, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Xian-Gan Han
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Zheng-Lei Wang
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuan-Yuan Xu
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Jin-Feng Miao
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
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Yévenes K, Pokrant E, Pérez F, Riquelme R, Avello C, Maddaleno A, San Martín B, Cornejo J. Assessment of Three Antimicrobial Residue Concentrations in Broiler Chicken Droppings as a Potential Risk Factor for Public Health and Environment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 16:E24. [PMID: 30583470 PMCID: PMC6339060 DOI: 10.3390/ijerph16010024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 01/26/2023]
Abstract
Tetracyclines, sulfonamides and amphenicols are broad spectrum antimicrobial drugs that are widely used in poultry farming. However, a high proportion of these drugs can be excreted at high concentrations in droppings, even after the end of a therapy course. This work intended to assess and compare concentrations of florfenicol (FF), florfenicol amine (FFa), chlortetracycline (CTC), 4-epi-chlortetracycline (4-epi-CTC), and sulfachloropyridazine (SCP) in broiler chicken droppings. To this end, 70 chickens were housed under controlled environmental conditions, and assigned to experimental groups that were treated with therapeutic doses of either 10% FF, 20% CTC, or 10% SCP. Consequently, we implemented and designed an in-house validation for three analytical methodologies, which allowed us to quantify the concentrations of these three antimicrobial drugs using liquid chromatography coupled to mass spectrometry (LC-MS/MS). Our results showed that FF and FFa concentrations were detected in chicken droppings up to day 10 after ceasing treatment, while CTC and 4-epi-CTC were detected up to day 25. As for SCP residues, these were detected up to day 21. Noticeably, CTC showed the longest excretion period, as well as the highest concentrations detected after the end of its administration using therapeutic doses.
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Affiliation(s)
- Karina Yévenes
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Ekaterina Pokrant
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Fernando Pérez
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Ricardo Riquelme
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Constanza Avello
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Aldo Maddaleno
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Betty San Martín
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
| | - Javiera Cornejo
- Department of Preventive Medicine, Faculty of Veterinary and Animal Sciences, University of Chile, Av. Santa Rosa, La Pintana, Santiago 11735, Chile.
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Patel T, Marmulak T, Gehring R, Pitesky M, Clapham MO, Tell LA. Drug residues in poultry meat: A literature review of commonly used veterinary antibacterials and anthelmintics used in poultry. J Vet Pharmacol Ther 2018; 41:761-789. [DOI: 10.1111/jvp.12700] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 06/21/2018] [Accepted: 07/01/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Trishna Patel
- William R. Pritchard Veterinary Medical Teaching Hospital University of California Davis California
| | - Tara Marmulak
- Department of Medicine and Epidemiology School of Veterinary Medicine University of California Davis California
| | - Ronette Gehring
- Department of Anatomy and Physiology Institute of Computational Comparative Medicine Kansas State University Manhattan Kansas
| | - Maurice Pitesky
- Department of Population Health and Reproduction School of Veterinary Medicine, Cooperative Extension University of California Davis California
| | - Maaike O. Clapham
- Department of Medicine and Epidemiology School of Veterinary Medicine University of California Davis California
| | - Lisa A. Tell
- Department of Medicine and Epidemiology School of Veterinary Medicine University of California Davis California
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Qualitative and quantitative drug residue analyses: Chlortetracycline in white-tailed deer (Odocoileus virginianus) and supermarket meat by liquid chromatography tandem-mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1092:237-243. [DOI: 10.1016/j.jchromb.2018.05.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 05/10/2018] [Accepted: 05/17/2018] [Indexed: 11/19/2022]
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12
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Mestorino N, Zeinsteger P, Buchamer A, Buldain D, Aliverti F, Marchetti L. Tissue depletion of doxycycline after its oral administration in food producing chicken for fattening. ACTA ACUST UNITED AC 2018. [DOI: 10.15406/ijawb.2018.03.00095] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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13
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Liquid Chromatography-Tandem Mass Spectrometry Determination and Depletion Profile of Chlortetracycline, Doxycycline, and Oxytetracycline in Broiler Chicken Muscle After Oral Administration. FOOD ANAL METHOD 2018. [DOI: 10.1007/s12161-018-1199-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cornejo J, Pokrant E, Carvallo C, Maddaleno A, San Martín B. Depletion of tylosin residues in feathers, muscle and liver from broiler chickens after completion of antimicrobial therapy. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2017; 35:448-457. [DOI: 10.1080/19440049.2017.1401740] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Javiera Cornejo
- Preventive Medicine Department, Faculty of Veterinary and Animal Sciences, University of Chile, La Pintana Santiago, Chile
| | - Ekaterina Pokrant
- Preventive Medicine Department, Faculty of Veterinary and Animal Sciences, University of Chile, La Pintana Santiago, Chile
| | - Carolina Carvallo
- Preventive Medicine Department, Faculty of Veterinary and Animal Sciences, University of Chile, La Pintana Santiago, Chile
| | - Aldo Maddaleno
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, La Pintana Santiago, Chile
| | - Betty San Martín
- Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, La Pintana Santiago, Chile
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Cornejo J, Pokrant E, Krogh M, Briceño C, Hidalgo H, Maddaleno A, Araya-Jordán C, Martín BS. Determination of Oxytetracycline and 4-Epi-Oxytetracycline Residues in Feathers and Edible Tissues of Broiler Chickens Using Liquid Chromatography Coupled with Tandem Mass Spectrometry. J Food Prot 2017; 80:619-625. [PMID: 28291385 DOI: 10.4315/0362-028x.jfp-16-320] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Antibiotics have been widely used in poultry production for the treatment of bacterial diseases. However, drug residues can remain in products derived from animals after the cessation of the drug therapies. Feathers, in particular, have shown an affinity for antibiotics such as tetracycline, suggesting the persistence of these drugs in nonedible tissue. After the birds are slaughtered, feathers are ground into feather meals, which are used as organic fertilizer or an ingredient in animal diets, thereby entering into the food chain and becoming a potential risk for public health. To evaluate the depletion of oxytetracycline (OTC) and its metabolite 4-epi-oxytetracycline (4-epi-OTC) in the muscles, liver, and feathers, 64 broiler chickens, bred under controlled conditions, were treated orally with a commercial formulation of 10% OTC for 7 days. The analytes were quantified using liquid chromatography-tandem mass spectrometry. OTC and 4-epi-OTC were found in the feathers for 46 days, whereas they were found in the muscle and liver for only 12 and 6 days, respectively. These results prove that the analytes remain in feathers in higher concentrations than they do in edible tissues after treatment with tetracyclines. Thus, feather meals represent a potential source of antimicrobial residue contamination in the food chain.
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Affiliation(s)
- Javiera Cornejo
- 1 Preventive Medicine Department (ORCID: http://orcid.org/0000-0001-5641-9562 [J.C.])
| | - Ekaterina Pokrant
- 1 Preventive Medicine Department (ORCID: http://orcid.org/0000-0001-5641-9562 [J.C.])
| | - Magdalena Krogh
- 1 Preventive Medicine Department (ORCID: http://orcid.org/0000-0001-5641-9562 [J.C.])
| | - Cristóbal Briceño
- 1 Preventive Medicine Department (ORCID: http://orcid.org/0000-0001-5641-9562 [J.C.])
| | | | - Aldo Maddaleno
- 3 Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, Santiago 882-0808, Chile
| | - Carolina Araya-Jordán
- 3 Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, Santiago 882-0808, Chile
| | - Betty San Martín
- 3 Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences, University of Chile, Santiago 882-0808, Chile
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Cornejo J, Pokrant E, Araya D, Briceño C, Hidalgo H, Maddaleno A, Araya-Jordán C, San Martin B. Residue depletion of oxytetracycline (OTC) and 4-epi-oxytetracycline (4-epi-OTC) in broiler chicken's claws by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2016; 34:494-500. [PMID: 27879173 DOI: 10.1080/19440049.2016.1263876] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Antibiotics are widely used in poultry production for the treatment of bacterial diseases. However, residues may remain in products and by-products destined for human consumption or animal feeding. The claws of chickens, which are a by-product of the poultry industry, can directly or indirectly enter the food chain as meals destined to feed other productive animals. Thus, it becomes necessary to determine and quantify antimicrobial residues present in this matrix. The objective of the study was to assess the depletion of oxytetracycline (OTC) and its metabolite 4-epi-OTC in broiler chicken's claws. Claws of 32 broilers treated with a therapeutic dosage of 10% OTC during 7 days were analysed. Samples were taken at days 3, 9, 15 and 19 post-treatment. As for the control group, eight broiler chickens were raised under the same conditions. Extraction was carried out through EDTA-McIlvaine buffer, and clean-up employed a SPE C-18 Sep-Pak®. Instrumental analysis was performed through LC-MS/MS. The concentrations of both analytes were determined in claw samples until day 19 post-treatment. Average concentrations were within the LOD (20 μg kg-1) and LOQ (22 µg kg-1) for OTC and 84 μg kg-1 for 4-epi-OTC. Withdrawal times (WDTs) of 39 days for OTC and 54 days for 4-epi-OTC were established in claws based on 95% confidence. These findings demonstrate that claws can be a source of antimicrobial residue entry into the food chain, since the results showed that OTC and its metabolite can be found in chicken's claws for long periods, even exceeding the average lifespan of a broiler chicken.
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Affiliation(s)
- J Cornejo
- a Preventive Medicine Department, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - E Pokrant
- a Preventive Medicine Department, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - D Araya
- a Preventive Medicine Department, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - C Briceño
- a Preventive Medicine Department, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - H Hidalgo
- b Laboratory of Avian Pathology, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - A Maddaleno
- c Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - C Araya-Jordán
- c Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
| | - B San Martin
- c Laboratory of Veterinary Pharmacology, Faculty of Veterinary and Animal Sciences , University of Chile , Santiago , Chile
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17
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Gbylik-Sikorska M, Posyniak A, Sniegocki T, Sell B, Gajda A, Sawicka A, Olszewska-Tomczyk M, Bladek T, Tomczyk G, Zmudzki J. Influence of enrofloxacin traces in drinking water to doxycycline tissue pharmacokinetics in healthy and infected by Mycoplasma gallisepticum broiler chickens. Food Chem Toxicol 2016; 90:123-9. [DOI: 10.1016/j.fct.2016.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/03/2016] [Accepted: 02/05/2016] [Indexed: 11/27/2022]
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Bladek T, Posyniak A, Jablonski A, Gajda A. Pharmacokinetics of tulathromycin in edible tissues of healthy and experimentally infected pigs with Actinobacillus pleuropneumoniae. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:1823-32. [PMID: 26247868 DOI: 10.1080/19440049.2015.1078915] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The aim of this study was the comparison of the tissue pharmacokinetics of tulathromycin in healthy pigs and pigs experimentally infected with Actinobacillus pleuropneumoniae (App). Tulathromycin was given to 24 healthy and 24 infected pigs by intramuscular injection at a single dosage of 2.5 mg kg(-1) body weight (b.w.). Pigs were euthanised at each group and then samples of liver, kidney, muscle, injection site and skin with fat were taken at scheduled time points. Drug concentrations were determined by LC-MS/MS. In this study, higher values of the area under the concentration-time curves (AUC) were calculated in all tissue samples taken from infected than healthy pigs. In pigs with App the AUCs of liver, kidney, muscle, skin with fat and injection site were 1111, 1973, 235, 181 and 2931 mg kg(-1) h, while in pigs without inflammation they were 509, 1295, 151, 111 and 1587 mg kg(-1) h, respectively. Maximum drug tissue concentrations (Cmax) in infected animals were 2370, 6650, 2016, 666 and 83,870 µg kg(-1), while in healthy pigs they were 1483, 6677, 1733, 509 and 55,006 µg kg(-1), respectively. The eliminations half-times (T1/2) were respectively longer in all tissue samples taken from infected animals (from 157.3 to 187.3 h) than in healthy ones (from 138.6 to 161.2 h). The tulathromycin tissue concentrations were significantly higher (p < 0.05) in all tissue samples of the infected pigs compared with the healthy animals at 360 h (from 0.0014 to 0.0280) and at 792 h (from 0.0007 to 0.0242) after drug administration. The results suggest that the tissue pharmacokinetic properties and residue depletion of tulathromycin can be influenced by the disease state of animals.
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Affiliation(s)
- Tomasz Bladek
- a Department of Pharmacology and Toxicology , National Veterinary Research Institute in Pulawy , Pulawy , Poland
| | - Andrzej Posyniak
- a Department of Pharmacology and Toxicology , National Veterinary Research Institute in Pulawy , Pulawy , Poland
| | - Artur Jablonski
- b Department of Swine Diseases , National Veterinary Research Institute in Pulawy , Pulawy , Poland
| | - Anna Gajda
- a Department of Pharmacology and Toxicology , National Veterinary Research Institute in Pulawy , Pulawy , Poland
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