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Fang S, Fan X, Xu S, Gao S, Wang T, Chen Z, Li D. Effects of dietary supplementation of postbiotic derived from Bacillus subtilis ACCC 11025 on growth performance, meat yield, meat quality, excreta bacteria, and excreta ammonia emission of broiler chicks. Poult Sci 2024; 103:103444. [PMID: 38489886 PMCID: PMC10951546 DOI: 10.1016/j.psj.2024.103444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 01/02/2024] [Accepted: 01/04/2024] [Indexed: 03/17/2024] Open
Abstract
The primary aim of this study was to explore the impact of dietary supplementation with a postbiotic derived from Bacillus subtilis ACCC 11025 on growth performance, meat yield, meat quality, excreta bacterial populations, and excreta ammonia emissions of broiler chicks. A total of 480 day-old Arbor Acre broiler chicks, initially weighing 52.83 ± 1.38 g, were randomly allocated into 4 distinct groups. Each group was housed in 6 separate cages, each containing 20 birds. The experimental phase spanned 42 d, divided into 2 periods (d 1-21 and d 22-42). Dietary interventions were based on a basal diet, with postbiotic supplementation at levels of 0.000, 0.015, 0.030, or 0.045%. Our findings indicate that dietary supplementation with postbiotic had a positive influence on body weight gain (BWG) and feed efficiency. The most substantial improvements in BWG and feed efficiency were observed in the group of broiler chicks fed a diet containing 0.015% postbiotic. Furthermore, the inclusion of postbiotic in the diet led to an increase in the yield of breast and leg muscles, with a significant difference in meat yields observed between the control group and the group receiving 0.015% postbiotic supplementation. It's noteworthy that dietary manipulation did not exert any discernible impact on the quality of breast and leg muscle samples. Concurrently, we observed an elevation in serum albumin and total protein contents corresponding to the increasing postbiotic dosage in the diet. Additionally, dietary supplementation with postbiotic effectively controlled the emission of ammonia from excreta and reduced the abundance of Salmonella in excreta while enhancing the presence of Lactobacillus bacteria. The group receiving 0.015% postbiotic supplementation displayed the lowest levels of ammonia emission and the highest counts of Lactobacillus bacteria in excreta. In light of these results, we conclude that dietary supplementation with 0.015% postbiotic represents an efficacious strategy for increasing BWG and meat yield of broiler chicks by enhancing feed efficiency as well as mitigating ammonia emissions from excreta by modulating the composition of excreta bacterial communities.
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Affiliation(s)
- Shan Fang
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China
| | - Xinyan Fan
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China
| | - Suixin Xu
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China
| | - Shenyang Gao
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China; Key Laboratory of Animal Product Quality and Safety of Liaoning Province, Jinzhou Medical University, Jinzhou 121001, China; Collaborative Innovation Center for Prevention and Control of Zoonoses, Jinzhou Medical University, Jinzhou 121001, China
| | - Tieliang Wang
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China; Key Laboratory of Animal Product Quality and Safety of Liaoning Province, Jinzhou Medical University, Jinzhou 121001, China
| | - Zeliang Chen
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China; Collaborative Innovation Center for Prevention and Control of Zoonoses, Jinzhou Medical University, Jinzhou 121001, China
| | - Desheng Li
- College of Husbandry & Veterinary Medicine, Jinzhou Medical University, Jinzhou 121001, China; Key Laboratory of Animal Product Quality and Safety of Liaoning Province, Jinzhou Medical University, Jinzhou 121001, China; Collaborative Innovation Center for Prevention and Control of Zoonoses, Jinzhou Medical University, Jinzhou 121001, China.
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Subramaniam R, Jambari NN, Hao KC, Abidin UFUZ, Mahmud NK, Rashid A. Prevalence of Antimicrobial-resistant Bacteria in HACCP Facilities. Food Saf (Tokyo) 2023; 11:54-61. [PMID: 37745160 PMCID: PMC10514398 DOI: 10.14252/foodsafetyfscj.d-23-00004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 08/14/2023] [Indexed: 09/26/2023] Open
Abstract
Foodborne pathogens, such as Staphylococcus aureus and Salmonella spp., develop antimicrobial resistance (AMR) over time, resulting in compromised food safety. Therefore, this study aimed to determine the prevalence, compliance against Malaysia's veterinary standing procedure directive (APTVM 16 (c): 1/2011): Appendix 713), and antimicrobial resistance (AMR) profiles of S. aureus and Salmonella spp., in raw poultry meat, poultry meat products, and poultry-based ready-to-eat (RTE) foods. Here, 699 raw poultry meat and meat products samples were obtained from selected hazard analysis critical control points (HACCP)-certified poultry meat-processing plants. Additionally, 377 samples of poultry-based RTE meals were collected from dine-in establishments and hospital catering facilities in Klang Valley, Malaysia. Salmonella spp. and S. aureus were present in 2.1% and 2.8% of the analyzed samples, respectively. Salmonella spp isolated from raw poultry meat and its products displayed resistance to ampicillin (100%), chloramphenicol (87.0%), cefuroxime (60.9%), cefazolin (56.5%), and kanamycin (52.2%). Similarly, S. aureus isolated from raw poultry meat, its products, and poultry-based RTE foods exhibited resistance against tetracycline, chloramphenicol, penicillin, ciprofloxacin, trimethoprim, kanamycin, and cefoxitin. The multi-antibiotic resistance (MAR) demonstrated by these foodborne pathogens makes their prevalence disconcerting. This highlights the need for more stringent monitoring and enduring sanitary and hygiene practices in HACCP establishments to prevent foodborne infections and potential transmission of AMR bacteria.
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Affiliation(s)
- Ramesh Subramaniam
- Chemsil Air & Water Sdn Bhd, 33, Jalan Kota Raja H27/H,
Hicom Town Centre, Seksyen 27, 40400, Shah Alam, Selangor, Malaysia
- Department of Food Science, Faculty of Food Science and
Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Nuzul Noorahya Jambari
- Department of Food Science, Faculty of Food Science and
Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Laboratory of Food Safety and Food Integrity, Institute of
Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 UPM Serdang,
Selangor, Malaysia
| | - Kuan Chee Hao
- Huru Biotech Sdn Bhd, No.1 Jalan Perindustrian Balakong Jaya,
2/2, Taman Perindustrian Balakong Jaya, 2, 43300 Balakong Jaya, Selangor, Malaysia
| | - Ungku Fatimah Ungku Zainal Abidin
- Department of Food Service and Management, Faculty of Food
Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor,
Malaysia
| | - Nor Khaizura Mahmud
- Chemsil Air & Water Sdn Bhd, 33, Jalan Kota Raja H27/H,
Hicom Town Centre, Seksyen 27, 40400, Shah Alam, Selangor, Malaysia
| | - Ab Rashid
- Department of Food Science, Faculty of Food Science and
Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Laboratory of Food Safety and Food Integrity, Institute of
Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 UPM Serdang,
Selangor, Malaysia
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Klaharn K, Pichpol D, Meeyam T, Harintharanon T, Lohaanukul P, Punyapornwithaya V. Bacterial contamination of chicken meat in slaughterhouses and the associated risk factors: A nationwide study in Thailand. PLoS One 2022; 17:e0269416. [PMID: 35675365 PMCID: PMC9176793 DOI: 10.1371/journal.pone.0269416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 05/20/2022] [Indexed: 11/19/2022] Open
Abstract
Slaughterhouses are a key source of bacterial contamination in poultry meat and products, which is a major health and economic concern for several public authorities. This study aimed to quantify the non-compliance of bacterial contamination on chicken meat sampled from slaughterhouses and identify risk factors associated with the contamination. A questionnaire survey of 569 chicken slaughterhouses was undertaken and 1,707 meat samples were collected to determine the level of bacterial contamination. The proportion of the non-compliance associated with aerobic plate count [APC] (24.6%), Staphylococcus aureus (6.3%), Enterococcus spp. (24.7%), coliforms (13.5%), Escherichia coli (33.3%), and Salmonella spp. (33.4%) based on the livestock authorities' criteria was determined. Our results highlighted that the scalding process without scalding water temperature control or improper scalding increased the risk of APC (odds ratio, OR = 4.84, 95% CI: 2.72-8.61), S. aureus (OR = 2.68, 95% CI: 1.29-5.55), Enterococcus spp. (OR = 3.38, 95% CI: 2.01-5.69), coliforms (OR = 3.01, 95% CI: 1.47-6.15), and E. coli (OR = 2.69, 95% CI: 1.58-4.56) contamination on meat samples. Meat from eviscerated carcasses was more likely to be non-compliance due to contamination by E. coli (OR = 1.96, 95% CI: 1.14-3.38). Furthermore, open or semi-closed system slaughterhouses (OR = 1.79, 95% CI: 1.23-2.60) and lack of equipment for specific slaughtering areas (OR = 1.65, 95% CI: 1.04-2.61) increased the likelihood of Salmonella spp. occurrence. This is the first study of factors influencing the non-compliance of meat samples across Thailand. Authorities can use the study findings to enhance food safety strategies at the national level.
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Affiliation(s)
- Kunnanut Klaharn
- Faculty of Veterinary Medicine, Department of Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
| | - Duangporn Pichpol
- Faculty of Veterinary Medicine, Department of Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Veterinary Medicine, Veterinary Public Health Research Group, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Veterinary Medicine, Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Chiang Mai University, Chiang Mai, Thailand
| | - Tongkorn Meeyam
- Faculty of Veterinary Medicine, Department of Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Veterinary Medicine, Veterinary Public Health Research Group, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Veterinary Medicine, Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Chiang Mai University, Chiang Mai, Thailand
| | | | | | - Veerasak Punyapornwithaya
- Faculty of Veterinary Medicine, Veterinary Public Health Research Group, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Veterinary Medicine, Veterinary Public Health and Food Safety Centre for Asia Pacific (VPHCAP), Chiang Mai University, Chiang Mai, Thailand
- * E-mail:
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Wardhana DK, Haskito AEP, Purnama MTE, Safitri DA, Annisa S. Detection of microbial contamination in chicken meat from local markets in Surabaya, East Java, Indonesia. Vet World 2021; 14:3138-3143. [PMID: 35153404 PMCID: PMC8829415 DOI: 10.14202/vetworld.2021.3138-3143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 11/02/2021] [Indexed: 11/21/2022] Open
Abstract
Background and Aim: Chicken meat can be contaminated by microorganisms anywhere in the supply chain, from farm to market, and these microorganisms can be transmitted to humans through direct contact, contact with the environment, and food consumption. The microbial contamination has a serious impact on public health. This study aimed to analyze the microbial contamination of chicken meat sampled from local markets in Surabaya, East Java, Indonesia. Materials and Methods: A total of 60 samples of fresh chicken meat obtained from 10 traditional markets (six samples per market) were examined for the presence of bacteria. Staphylococcus aureus, Salmonella spp., and Escherichia coli were identified using Gram staining, culturing, and biochemical tests. The most probable number (MPN) method was used to identify E. coli. Results: Most chicken meat samples were positive for S. aureus (58.3%), Salmonella spp. (48.3%), and E. coli (40%). The samples were considered positive for E. coli if the MPN value was higher than 1×101 CFU/g. Conclusion: High microbial contamination was found in all the chicken meat sampled from local markets in Surabaya. Such contamination can lead to foodborne diseases so, proper hygiene and sanitation standards should be followed from slaughterhouses to the end-users.
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Affiliation(s)
- Dhandy Koesoemo Wardhana
- Department of Veterinary Sciences, Division of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Ajeng Erika Prihastuti Haskito
- Laboratorium of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Brawijaya, Malang 65151, Indonesia
| | - Muhammad Thohawi Elziyad Purnama
- Department of Veterinary Sciences, Division of Veterinary Anatomy, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Devi Ayu Safitri
- Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Suwaibatul Annisa
- Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya 60115, Indonesia
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Rajaei M, Moosavy MH, Gharajalar SN, Khatibi SA. Antibiotic resistance in the pathogenic foodborne bacteria isolated from raw kebab and hamburger: phenotypic and genotypic study. BMC Microbiol 2021; 21:272. [PMID: 34615465 PMCID: PMC8495966 DOI: 10.1186/s12866-021-02326-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 09/27/2021] [Indexed: 11/10/2022] Open
Abstract
Background In recent years, interest in the consumption of ready-to-eat (RTE) food products has been increased in many countries. However, RTE products particularly those prepared by meat may be potential vehicles of antibiotic-resistance foodborne pathogens. Considering kebab and hamburger are the most popular RTE meat products in Iran, this study aimed to investigate the prevalence and antimicrobial resistance of common foodborne pathogens (Escherichia coli, Salmonella spp., Staphylococcus aureus, and Listeria monocytogenes) in raw kebab and hamburger samples collected from fast-food centers and restaurants. Therefore, total bacterial count (TBC), as well as the prevalence rates and antibiogram patterns of foodborne pathogens in the samples were investigated. Also, the presence of antibiotic-resistance genes (blaSHV, blaTEM,blaZ, and mecA) was studied in the isolates by PCR. Results The mean value of TBC in raw kebab and hamburger samples was 6.72 ± 0.68 log CFU/g and 6.64 ± 0.66 log CFU/g, respectively. E. coli had the highest prevalence rate among the investigated pathogenic bacteria in kebab (70%) and hamburger samples (48%). Salmonella spp., L. monocytogenes, and S. aureus were also recovered from 58, 50, and 36% of kebab samples, respectively. The contamination of hamburger samples was detected to S. aureus (22%), L. monocytogenes (22%), and Salmonella spp. (10%). In the antimicrobial susceptibility tests, all isolates exhibited high rates of antibiotic resistance, particularly against amoxicillin, penicillin, and cefalexin (79.66–100%). The blaTEM was the most common resistant gene in the isolates of E. coli (52.54%) and Salmonella spp. (44.11%). Fourteen isolates (23.72%) of E. coli and 10 isolates (29.41%) of Salmonella spp. were positive for blaSHV. Also, 16 isolates (55.17%) of S. aureus and 10 isolates (27.27%) of L. monocytogenes were positive for mecA gene. Conclusions The findings of this study showed that raw kebab and hamburger are potential carriers of antibiotic-resistance pathogenic bacteria, which can be a serious threat to public health. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-021-02326-8.
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Affiliation(s)
- Maryam Rajaei
- Department of Food Hygiene and Aquatic, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Mir-Hassan Moosavy
- Department of Food Hygiene and Aquatic, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
| | - Sahar Nouri Gharajalar
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Seyed Amin Khatibi
- Department of Food Hygiene and Aquatic, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
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