269 – Software for monitoring of antibiotics consumptions in poultry breeding (Research paper – Piel – 2017)

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269 Research paper – Piel – 2017 – Software for monitoring of antibiotics consumptions in poultry breeding

In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance; Antibiotic use
Species targeted: Poultry;
Age: Not stated;
Summary:
In the context of reasonable use of antibiotics, monitoring consumption is an indispensable step to have a better knowledge of practices, consumption levels in order to implement improvement actions and evaluate them. In this perspective, software for consumptions monitoring has been developed by the company DBM. It is an innovative follow-up tool that helps the breeder in an animal health sustainable management approach. This software can be used by the breeder and the veterinarian: it measures and assesses joint actions set up to reduce the use of antibiotics, compares the evolutions by production, sectors or breeders in relation to the results of all livestock monitored and also to reference indicators. For the breeder and his veterinarian, the software is a tool that enables a reactive “diagnosis” and that helps to make a decision. The software shows the efforts carried out by the breeders and veterinarians to their partners and networks.

Where to find the original material: https://www.cabdirect.org/cabdirect/abstract/20183183363;
Country: FR

268 – Starting of Label Rouge broiler production – Preserve the welfare and performance of animals (Research paper – Pertusa – 2019)

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268 Research paper – Pertusa – 2019 – Starting of Label Rouge broiler production_ preserve the welfare and performance of animals

In Significant Impact Groups: Housing and welfare \ Weaning age and management; AMU reduction strategies
Species targeted: Poultry;
Age: Young;
Summary:
Early rearing phase represents a key period in breeding and requires special technical and sanitary management to ensure the competitiveness of poultry production and welfare. 30 Label Rouge poultry flocks were sampled. Data on the environment, feeding, watering, cleaning and disinfection management, body weight and body condition monitoring were collected and a questionnaire was also sent to the farmer to identify its practices. The selected variables of interest, were: weight, homogeneity of the batch, rate of pododermatitis, mortality and welfare rating at 15 days. From the study it was found that the origin of the chicks had a significant impact on the weight, the homogeneity of the batch and the mortality at 15 days. Access to specific start-up feeding equipment also appears to influence the weight, homogeneity and rate of pododermatitis at the end of the start. This rate is also influenced by the quality of the litter in breeding.

Where to find the original material: https://www.itavi.asso.fr/content/le-demarrage-en-production-de-poulets-de-chair-label-rouge;
Country: FR

267 – Comparaison de l effet de diferents additifs alimentaires en production de poulets Label Rouge (Research paper – Pertusa – 2017)

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267 Research paper – Pertusa – 2017 – Comparaison de l effet de diferents additifs alimentaires en production de poulets Label Rouge

In Significant Impact Groups: Specific alternatives \ Pre-/probiotics Feed / gut health
Species targeted: Poultry;
Age: Young;
Summary:
Reducing the use of antibiotics is a major challenge for the poultry sector. This work aims at assessing the efficiency of several different forms of food additive on technical performances and health status of Label Rouge broilers, produced in sub-optimal conditions (eggs storage before incubation for 18 days and distribution of less digestive food with essential amino-acid deficiency). The effects of pre-starter, rehydrating, and combination of the two products are tested for the first two days of rearing. The (day-old) chick quality, measured according to 8 criteria, is negatively impacted by the storage duration before incubation. For the first 2 days, the pre starter effect is positive. Its usefulness is clear when this is combined with the rehydrating association. The supplementation from 7 to 12 days has improved the broiler feed efficiency. For the second part of rearing (15-76 days), technical results are not significantly different regardless of treatments.

Where to find the original material: https://www.cabdirect.org/cabdirect/abstract/20183183465;
Country: FR

266 – Chick vocalizations – Development of a recording and analysis method (Research paper – Michaud – 2019)

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266 Research paper – Michaud – 2019 – Chick vocalizations_ development of a recording and analysis method

In Significant Impact Groups: Housing and welfare \ Weaning age and management
Species targeted: Poultry;
Age: Young;
Summary:
This study aims to develop a method for recording and analysing chicks vocalisations emitted during the first 3 days of life (D0 to D3). First, a bibliographic review identified vocalizations categories emitted by chicks (comfort, distress, snuggle, fear or pleasure trills) and identified their sound characteristics. Then, two programs developed under Matlab, made it possible to automate the recording of sound sequences and to detect and identify comfort and distress vocalizations. The study defined optimal sound recording conditions allowing an optimal analysis of sound signals: a group of ten chicks, omni-directional microphones, 2-minute recording sequences. Between D0 and D3, chicks emit short sounds with a limited frequency range (2000 – 5000 Hz). The program developed allowed to characterize the several sound indicators of importance, and count the chicks’ comfort and distress vocalizations.

Where to find the original material: https://www.itavi.asso.fr/content/vocalisations-du-poussin-developpement-dune-methode-denregistrement-et-danalyse;
Country: FR

265 – Reduction of antibiotics use in foie gras production – Actual uses and risks factors associated (Research paper – Litt – 2017)

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265 Research paper – Litt – 2017 – Reduction of antibiotics use in foie gras production _ Actual uses and risks factors associated

In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance; Antibiotic use; Biosecurity
Species targeted: Poultry;
Age: Not stated;
Summary:
A survey aiming to reduce antibiotics use in poultry farming for foie gras production was conducted in 70 breeding lots. This study revealed a lot of risky practices (at least one other poultry farm in the vicinity for 60% of cases, multi-ages on the same site for nearly ¾ of farms, multi-species in 1 case out of 10, low use of sanitary huts, …). With 31% of the batches receiving at least one treatment and Antibiotic Treatment Frequency Indexes lower than 0.3 (0-21 days and 0-12 weeks), antimicrobial use was low. No critical antibiotics have been used to treat the animals followed during the study. Factors associated with antibiotic treatments focus on hygiene and biosafety precautions, vaccination and water quality. Since biosafety is at the heart of current developments for this production, the future evolution of breeding systems should naturally have a favorable effect on the decline in antibiotics use.

Where to find the original material: https://www.itavi.asso.fr/content/reduire-lusage-des-antibiotiques-dans-la-filiere-palmipedes-gras;
Country: FR

264 – Obstacles and incentives for broiler farmers to set up preventive measures against the avian colibacillosis (Research paper – Gery-Choquet – 2019)

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264 Research paper – Gery-Choquet – 2019 – Obstacles and incentives for broiler farmers to set up preventive measures against the avian colibacillosis

In Significant Impact Groups: Pathogen management \ Managing sick animals; Targeted use of antibiotics; AMU reduction strategies
Species targeted: Poultry;
Age: Not stated;
Summary:
In a context of antibiotic restraint, colibacillosis prevention in chicken farms should be maximized. This disease is commonly treated with antibiotics. Understanding the psychological and social context in which farmers operate can have an impact management of avian. With that purpose, a first survey (qualitative study) was carried out involving 14 chicken conventional production farmers. Afterwards, 75 western France farmers of replied to quantitative questionnaire based on results from the previous survey. The survey revealed that 85% of farmers had insufficient knowledge about colibacillosis. The major incentives to prevent the avian colibacillosis were the desire to improve farm income and to reduce antibiotic use. Statistical analysis showed five farmers profiles. Advice should be adapted according to these profiles : «experimented little motivated farmers», «young and independent farmers», «farmers with others priorities», «motivated with small chicken house farmers» and «risk taker farmers».

Where to find the original material: https://www.itavi.asso.fr/content/freins-et-motivations-des-eleveurs-de-poulets-mettre-en-place-des-mesures-preventives-contre;
Country: FR

263 The frequency of use of antibiotics (IFTA) – one indicator of sustainability of lives (Research paper – Fortun-Lamothe 2010)

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263 Research paper – Fortun-Lamothe 2010 The frequency of use of antibiotics (IFTA)_ one indicator of sustainability of lives

In Significant Impact Groups: AMU reduction strategies \ Monitoring and surveillance; Antibiotic use
Species targeted: Other;
Age: Not stated;
Summary:
We defined an indicator of sustainability to evaluate the practices of antibiotic supplementation in rabbit breeding. The frequency of use of antibiotics was defined as ‘Index de Fréquence des Traitements par les Antibiotiques’ (which can be translated as Index of Frequence of Antibiotic Treatments) The IFTA corresponded to the number of treatments received per animal and day during a reference period. It was declined for the growing rabbits (IFTAc and referred to the life of the animal) and for the reproductive females (IFTAr, and referred to a cycle of reproduction). It varied between 0 and 3 and must be expressed with two decimals to be sensitive to one day of treatment with one antibiotic molecule. For 57 breeding units studied, IFTAc was of 0.86±0.34 and IFTAr of 1.44±0.74. The IFTA aims to be user-friendly, reaching a compromise between relevance, sensitivity and simplicity.

Where to find the original material: https://hal.inrae.fr/hal-02750406;
Country: FR

262 – Assessment of biofilm in pipes of breeders houses and effect of purge on biofilm mastering and water quality (Research paper – Dennery – 2017)

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262 Research paper – Dennery – 2017 – Assessment of biofilm in pipes of breeders houses and effect of purge on biofilm mastering and waterquality

In Significant Impact Groups: Water \ Water quality; Housing and welfare
Species targeted: Poultry;
Age: Not stated;
Summary:
Biofilm can alter water quality in pipes. Its development is favored by breeding practices and conditions. Biofilm management in drinking water pipes is a major issue to prevent disease and to reduce antibiotic consumption and resistance. The aim of this field study is to assess the effect of purging pipes during breeding on development of biofilms, water quality, amount of water used, and breeder’s health. In order to achieve this goal it was necessary to create a methodology to characterize biofilm. A scoring method was developed, each score being definite by a picture and objective definition. The chart created was used to characterize biofilm at each observation, and to estimate its evolution during the breeding. First results highlight the importance of cleaning the pipes before starting the flock breeding. Daily and highly frequency purges seem to delay biofilm development inside pipes when compared to never purged pipes.

Where to find the original material: https://www.cabdirect.org/cabdirect/abstract/20183183457;
Country: FR

261 – Measuring carbon dioxide concentrations in broiler buildings (Research paper – Creach – 2018)

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261 Research paper – Creach – 2018 – Measuring carbon dioxide concentrations in broiler buildings

In Significant Impact Groups: Housing and welfare \ Climate
Species targeted: Poultry;
Age: Not stated;
Summary:
The ministerial decree of 28 June 2010 establishing the standards for the protection of broilers, sets a limit of 3 000 ppm of carbon dioxide (CO2) not to be exceeded at animal’s height and over the entire duration of the lot. Since then, CO2 concentration sensors are developing in poultry buildings and this gas, combined with other parameters (relative humidity rate in particular) is a good indicator of the level of containment of the breeding room. Different CO2 concentration sensors of the same technology (non-dispersive infrared or IRND) have been tested in commercial barns. The results show that two of the five tested sensors are not suitable for continuous use in poultry buildings. In addition, the spatial variability of CO2 concentrations was evaluate in a first phase under experimental conditions and in a second phase in commercial broiler barns.

Where to find the original material: https://www.itavi.asso.fr/content/mesurage-des-concentrations-en-dioxyde-de-carbone-en-batiment-poulets-de-chair;
Country: FR

260 – Measuring carbon dioxide concentrations in broiler houses (Research paper – Creach – 2017)

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260 Research paper – Creach – 2017 – Measuring carbon dioxide concentrations in broiler houses

In Significant Impact Groups: Housing and welfare \ Climate
Species targeted: Poultry;
Age: Not stated;
Summary:
The EU sets a limit of 3000 ppm of carbon dioxide (CO2) concentration not to be exceeded for broilers, over the entire duration of the flock. Since then, CO2 concentration sensors are developing in French poultry buildings. The purpose of this article is to provide methodological advices for continuous measurement of CO2 concentrations in a broiler house, by looking at CO2 commercial sensors. Despite being the best compromise to measure CO2 concentration at animal’s level according to at the end of the flock at 80 cm +/- 20 cm of height, this can underestimate CO2 concentrations in case of high CO2 productions by animals and litter. These results suggest using more than one CO2 sensors for continuous measurements in poultry barns. According to the sensors’ tests, first level investment should be in high-performance sensor and in its maintenance than purchasing an additional sensor.

Where to find the original material: https://www.itavi.asso.fr/content/mesurage-des-concentrations-en-dioxyde-de-carbone-en-batiment-poulets-de-chair#:~:text=L’arr%C3%AAt%C3%A9%20minist%C3%A9riel%20du%2028,toute%20la%20dur%C3%A9e%20du%20lot.;
Country: FR