Food chain information and post-mortem findings in fattening Turkey flocks

Blomvall, Laura; Kaukonen, Eija; Kurittu, Paula; Heikinheimo, Annamari; Fredriksson-Ahomaa, Maria

doi:10.1016/j.foodcont.2023.109739

Cited by 3 publications

(1 citation statement)

References 42 publications

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“…Among these, Staphylococcus aureus predominates, contributing to acute septic bursitis, followed by Streptococcus species and other bacterial strains [ 4 ]. The condition of an enlarged sternal bursa is multifactorial, influenced by genetics, farm conditions, and management practices, leading to welfare concerns and economic losses in poultry farming [ 5 ]. Trauma or infection can inflame the bursa, resulting in fluid accumulation and the formation of fluid-filled blisters, with contributing factors including poor feathering, hard flooring, and leg weakness [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Genetic Complexity of CC5 Staphylococcus aureus Isolates Associated with Sternal Bursitis in Chickens: Antimicrobial Resistance, Virulence, Plasmids, and Biofilm Formation

Silva,

Ribeiro,

Teixeira

et al. 2024

Pathogens

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Sternal bursitis, a common inflammatory condition in poultry, poses significant challenges to both animal welfare and public health. This study aimed to investigate the prevalence, antimicrobial resistance, and genetic characteristics of Staphylococcus aureus isolates associated with sternal bursitis in chickens. Ninety-eight samples were collected from affected chickens, and 24 S. aureus isolates were identified. Antimicrobial susceptibility testing revealed resistance to multiple agents, with a notable prevalence of aminoglycoside resistance genes. Whole genome sequencing elucidated the genetic diversity and virulence profiles of the isolates, highlighting the predominance of clonal complex 5 (CC5) strains. Additionally, biofilm formation assays demonstrated moderate biofilm production capacity among the isolates. These findings underscore the importance of vigilant monitoring and targeted interventions to mitigate the impact of sternal bursitis in poultry production systems.

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Section: Introductionmentioning

confidence: 99%

Genetic Complexity of CC5 Staphylococcus aureus Isolates Associated with Sternal Bursitis in Chickens: Antimicrobial Resistance, Virulence, Plasmids, and Biofilm Formation

Silva,

Ribeiro,

Teixeira

et al. 2024

Pathogens

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Utilization of Livestock

Sundrum

2024

Public Welfare-Oriented Production of Food

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Evaluating animal welfare on broiler and turkey farms using either normative values or descriptive benchmarks

Michaelis,

Gieseke,

Knierim

2024

Front. Anim. Sci.

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For the welfare assessment on commercial broiler and turkey farms, not only the recording of animal-based indicators but also the evaluation of the resulting prevalence or rate is essential. Two evaluation methods were compared using data on welfare indicators collected over 1 year from 11 broiler and 11 turkey farms in Germany: the application of normative values from an evaluation framework and the calculation of a benchmark. The evaluation framework had recently been developed in a participatory process that provided an evaluation with target and alarm values. The target range was predominantly based on ethical considerations, while the alarm range was aligned with the current status quo from farm investigations. The 25th percentile and the 75th percentile of the benchmarking were similarly classified as target and alarm. When applying the evaluation framework across all indicators and flocks, 30.6% of broiler flocks were in the target range, while 41.4% were in the alarm range, mostly for indicators such as footpad dermatitis, weight uniformity, and mortality. For turkeys at week 5 or at the end of the fattening period, 51.6% and 32.9%, respectively, were in the target range and 12.3% and 14.4% were in the alarm range. Most alarm classifications were related to footpad dermatitis, low-weight uniformity, plumage damage, and skin injuries. The application of normative values led to a significantly worse average welfare rank over all indicators and flocks for broilers compared to the benchmark, while no difference was observed for turkeys. The farm selection process may have favored turkey farms with better management practices, resulting in a more rigorous benchmark than in broilers. In addition, the farm data used to set the normative values had indicated a poorer status quo in turkeys for certain indicators, resulting in less stringent limits for the alarm range. This highlights the challenges associated with both evaluation methods: normative values are affected by the process and criteria used to set them, while benchmarks are affected by the reference population, which calls for large databases with regular updates. Also, for normative values, developments in the sector and the latest scientific evidence should be used for recurrent validation.

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Food chain information and post-mortem findings in fattening Turkey flocks

Cited by 3 publications

References 42 publications

Genetic Complexity of CC5 Staphylococcus aureus Isolates Associated with Sternal Bursitis in Chickens: Antimicrobial Resistance, Virulence, Plasmids, and Biofilm Formation

Genetic Complexity of CC5 Staphylococcus aureus Isolates Associated with Sternal Bursitis in Chickens: Antimicrobial Resistance, Virulence, Plasmids, and Biofilm Formation

Utilization of Livestock

Evaluating animal welfare on broiler and turkey farms using either normative values or descriptive benchmarks

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